[Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

[Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

[wexu]

From: Wei Xu <wexu@redhat.com>

This is a prototype for virtio-net 1.1 support in userspace backend,
only minimum part are included in this RFC(roughly synced to v8 as
Jason and Tiwei's RFC).

Test has been done together with Tiwei's RFC guest virtio-net driver
patch, ping and a quick iperf test successfully.

Issues:
1. Rx performance of Iperf is much slower than TX.
    TX: 13-15Gb
    RX: 100-300Mb

Missing:
- device and driver
- indirect descriptor
- migration
- vIOMMU support
- other revisions since v8
- see FIXME

Wei Xu (8):
  virtio: feature bit, data structure for packed ring
  virtio: memory cache for packed ring
  virtio: add empty check for packed ring
  virtio: add detach element for packed ring(1.1)
  virtio: notification tweak for packed ring
  virtio: flush/push support for packed ring
  virtio: get avail bytes check for packed ring
  virtio: queue pop support for packed ring

 hw/virtio/virtio.c                             | 618 +++++++++++++++++++++++--
 include/hw/virtio/virtio.h                     |  12 +-
 include/standard-headers/linux/virtio_config.h |   2 +
 3 files changed, 601 insertions(+), 31 deletions(-)

-- 
2.7.4

[Qemu-devel] [PATCH 1/8] virtio: feature bit, data structure for packed ring

[wexu]

From: Wei Xu <wexu@redhat.com>

Only minimum definitions from the spec are included
for prototype.

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c                             | 47 +++++++++++++++++++++++---
 include/hw/virtio/virtio.h                     | 12 ++++++-
 include/standard-headers/linux/virtio_config.h |  2 ++
 3 files changed, 56 insertions(+), 5 deletions(-)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 006d3d1..9a6bfe7 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -39,6 +39,14 @@ typedef struct VRingDesc
     uint16_t next;
 } VRingDesc;
 
+typedef struct VRingDescPacked
+{
+    uint64_t addr;
+    uint32_t len;
+    uint16_t id;
+    uint16_t flags;
+} VRingDescPacked;
+
 typedef struct VRingAvail
 {
     uint16_t flags;
@@ -61,9 +69,18 @@ typedef struct VRingUsed
 
 typedef struct VRingMemoryRegionCaches {
     struct rcu_head rcu;
-    MemoryRegionCache desc;
-    MemoryRegionCache avail;
-    MemoryRegionCache used;
+    union {
+        struct {
+            MemoryRegionCache desc;
+            MemoryRegionCache avail;
+            MemoryRegionCache used;
+        };
+        struct {
+            MemoryRegionCache desc_packed;
+            MemoryRegionCache driver;
+            MemoryRegionCache device;
+        };
+    };
 } VRingMemoryRegionCaches;
 
 typedef struct VRing
@@ -77,10 +94,31 @@ typedef struct VRing
     VRingMemoryRegionCaches *caches;
 } VRing;
 
+typedef struct VRingPackedDescEvent {
+    uint16_t desc_event_off:15,
+             desc_event_wrap:1;
+    uint16_t desc_event_flags:2;
+} VRingPackedDescEvent ;
+
+typedef struct VRingPacked
+{
+    unsigned int num;
+    unsigned int num_default;
+    unsigned int align;
+    hwaddr desc;
+    hwaddr driver;
+    hwaddr device;
+    VRingMemoryRegionCaches *caches;
+} VRingPacked;
+
 struct VirtQueue
 {
-    VRing vring;
+    union {
+        struct VRing vring;
+        struct VRingPacked packed;
+    };
 
+    uint8_t wrap_counter:1;
     /* Next head to pop */
     uint16_t last_avail_idx;
 
@@ -1220,6 +1258,7 @@ void virtio_reset(void *opaque)
         vdev->vq[i].vring.num = vdev->vq[i].vring.num_default;
         vdev->vq[i].inuse = 0;
         virtio_virtqueue_reset_region_cache(&vdev->vq[i]);
+        vdev->vq[i].wrap_counter = 1;
     }
 }
 
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 098bdaa..563e88e 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -46,6 +46,14 @@ typedef struct VirtQueueElement
     unsigned int index;
     unsigned int out_num;
     unsigned int in_num;
+
+    /* Number of descriptors used by packed ring */
+    uint16_t count;
+    uint8_t wrap_counter:1;
+    /* FIXME: Length of every used buffer for a descriptor,
+       move to dynamical allocating due to out/in sgs numbers */
+    uint32_t len[VIRTQUEUE_MAX_SIZE];
+
     hwaddr *in_addr;
     hwaddr *out_addr;
     struct iovec *in_sg;
@@ -262,7 +270,9 @@ typedef struct VirtIORNGConf VirtIORNGConf;
     DEFINE_PROP_BIT64("any_layout", _state, _field, \
                       VIRTIO_F_ANY_LAYOUT, true), \
     DEFINE_PROP_BIT64("iommu_platform", _state, _field, \
-                      VIRTIO_F_IOMMU_PLATFORM, false)
+                      VIRTIO_F_IOMMU_PLATFORM, false), \
+    DEFINE_PROP_BIT64("ring_packed", _state, _field, \
+                      VIRTIO_F_RING_PACKED, true)
 
 hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n);
 hwaddr virtio_queue_get_avail_addr(VirtIODevice *vdev, int n);
diff --git a/include/standard-headers/linux/virtio_config.h b/include/standard-headers/linux/virtio_config.h
index b777069..6ee5529 100644
--- a/include/standard-headers/linux/virtio_config.h
+++ b/include/standard-headers/linux/virtio_config.h
@@ -71,4 +71,6 @@
  * this is for compatibility with legacy systems.
  */
 #define VIRTIO_F_IOMMU_PLATFORM		33
+
+#define VIRTIO_F_RING_PACKED		34
 #endif /* _LINUX_VIRTIO_CONFIG_H */
-- 
2.7.4

Re: [Qemu-devel] [PATCH 1/8] virtio: feature bit, data structure for packed ring

[Jason Wang]

On 2018年04月04日 20:53, wexu@redhat.com wrote:
> From: Wei Xu <wexu@redhat.com>
>
> Only minimum definitions from the spec are included
> for prototype.
>
> Signed-off-by: Wei Xu <wexu@redhat.com>
> ---
>   hw/virtio/virtio.c                             | 47 +++++++++++++++++++++++---
>   include/hw/virtio/virtio.h                     | 12 ++++++-
>   include/standard-headers/linux/virtio_config.h |  2 ++
>   3 files changed, 56 insertions(+), 5 deletions(-)
>
> diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> index 006d3d1..9a6bfe7 100644
> --- a/hw/virtio/virtio.c
> +++ b/hw/virtio/virtio.c
> @@ -39,6 +39,14 @@ typedef struct VRingDesc
>       uint16_t next;
>   } VRingDesc;
>   
> +typedef struct VRingDescPacked
> +{
> +    uint64_t addr;
> +    uint32_t len;
> +    uint16_t id;
> +    uint16_t flags;
> +} VRingDescPacked;
> +
>   typedef struct VRingAvail
>   {
>       uint16_t flags;
> @@ -61,9 +69,18 @@ typedef struct VRingUsed
>   
>   typedef struct VRingMemoryRegionCaches {
>       struct rcu_head rcu;
> -    MemoryRegionCache desc;
> -    MemoryRegionCache avail;
> -    MemoryRegionCache used;
> +    union {
> +        struct {
> +            MemoryRegionCache desc;
> +            MemoryRegionCache avail;
> +            MemoryRegionCache used;
> +        };
> +        struct {
> +            MemoryRegionCache desc_packed;
> +            MemoryRegionCache driver;
> +            MemoryRegionCache device;
> +        };
> +    };

I think we can reuse exist memory region caches? Especially consider 
device/driver area could be treated as a renaming of avail/used area.

E.g desc for desc_packed, avail for driver area and used for device area.

>   } VRingMemoryRegionCaches;
>   
>   typedef struct VRing
> @@ -77,10 +94,31 @@ typedef struct VRing
>       VRingMemoryRegionCaches *caches;
>   } VRing;
>   
> +typedef struct VRingPackedDescEvent {
> +    uint16_t desc_event_off:15,
> +             desc_event_wrap:1;
> +    uint16_t desc_event_flags:2;
> +} VRingPackedDescEvent ;
> +
> +typedef struct VRingPacked
> +{
> +    unsigned int num;
> +    unsigned int num_default;
> +    unsigned int align;
> +    hwaddr desc;
> +    hwaddr driver;
> +    hwaddr device;
> +    VRingMemoryRegionCaches *caches;
> +} VRingPacked;

Same here, can we reuse VRing here?

> +
>   struct VirtQueue
>   {
> -    VRing vring;
> +    union {
> +        struct VRing vring;
> +        struct VRingPacked packed;
> +    };
>   
> +    uint8_t wrap_counter:1;
>       /* Next head to pop */
>       uint16_t last_avail_idx;
>   
> @@ -1220,6 +1258,7 @@ void virtio_reset(void *opaque)
>           vdev->vq[i].vring.num = vdev->vq[i].vring.num_default;
>           vdev->vq[i].inuse = 0;
>           virtio_virtqueue_reset_region_cache(&vdev->vq[i]);
> +        vdev->vq[i].wrap_counter = 1;
>       }
>   }
>   
> diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
> index 098bdaa..563e88e 100644
> --- a/include/hw/virtio/virtio.h
> +++ b/include/hw/virtio/virtio.h
> @@ -46,6 +46,14 @@ typedef struct VirtQueueElement
>       unsigned int index;
>       unsigned int out_num;
>       unsigned int in_num;
> +
> +    /* Number of descriptors used by packed ring */

Do you mean the number of chained descriptors?

> +    uint16_t count;
> +    uint8_t wrap_counter:1;

What's the use of this bit? If you refer to my v1 vhost code, I used to 
have this, but it won't work for OOO completion e.g when zerocopy is 
disabled. I've dropped it now.

This is tricky and can only work when device complete descriptors in order.

> +    /* FIXME: Length of every used buffer for a descriptor,
> +       move to dynamical allocating due to out/in sgs numbers */
> +    uint32_t len[VIRTQUEUE_MAX_SIZE];

Can you explain more about this?

> +
>       hwaddr *in_addr;
>       hwaddr *out_addr;
>       struct iovec *in_sg;
> @@ -262,7 +270,9 @@ typedef struct VirtIORNGConf VirtIORNGConf;
>       DEFINE_PROP_BIT64("any_layout", _state, _field, \
>                         VIRTIO_F_ANY_LAYOUT, true), \
>       DEFINE_PROP_BIT64("iommu_platform", _state, _field, \
> -                      VIRTIO_F_IOMMU_PLATFORM, false)
> +                      VIRTIO_F_IOMMU_PLATFORM, false), \
> +    DEFINE_PROP_BIT64("ring_packed", _state, _field, \
> +                      VIRTIO_F_RING_PACKED, true)

Remember to disable this for old machine types in next version.

Thanks

>   
>   hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n);
>   hwaddr virtio_queue_get_avail_addr(VirtIODevice *vdev, int n);
> diff --git a/include/standard-headers/linux/virtio_config.h b/include/standard-headers/linux/virtio_config.h
> index b777069..6ee5529 100644
> --- a/include/standard-headers/linux/virtio_config.h
> +++ b/include/standard-headers/linux/virtio_config.h
> @@ -71,4 +71,6 @@
>    * this is for compatibility with legacy systems.
>    */
>   #define VIRTIO_F_IOMMU_PLATFORM		33
> +
> +#define VIRTIO_F_RING_PACKED		34
>   #endif /* _LINUX_VIRTIO_CONFIG_H */

Re: [Qemu-devel] [PATCH 1/8] virtio: feature bit, data structure for packed ring

[Wei Xu]

On Tue, Apr 10, 2018 at 03:05:24PM +0800, Jason Wang wrote:
> 
> 
> On 2018年04月04日 20:53, wexu@redhat.com wrote:
> >From: Wei Xu <wexu@redhat.com>
> >
> >Only minimum definitions from the spec are included
> >for prototype.
> >
> >Signed-off-by: Wei Xu <wexu@redhat.com>
> >---
> >  hw/virtio/virtio.c                             | 47 +++++++++++++++++++++++---
> >  include/hw/virtio/virtio.h                     | 12 ++++++-
> >  include/standard-headers/linux/virtio_config.h |  2 ++
> >  3 files changed, 56 insertions(+), 5 deletions(-)
> >
> >diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> >index 006d3d1..9a6bfe7 100644
> >--- a/hw/virtio/virtio.c
> >+++ b/hw/virtio/virtio.c
> >@@ -39,6 +39,14 @@ typedef struct VRingDesc
> >      uint16_t next;
> >  } VRingDesc;
> >+typedef struct VRingDescPacked
> >+{
> >+    uint64_t addr;
> >+    uint32_t len;
> >+    uint16_t id;
> >+    uint16_t flags;
> >+} VRingDescPacked;
> >+
> >  typedef struct VRingAvail
> >  {
> >      uint16_t flags;
> >@@ -61,9 +69,18 @@ typedef struct VRingUsed
> >  typedef struct VRingMemoryRegionCaches {
> >      struct rcu_head rcu;
> >-    MemoryRegionCache desc;
> >-    MemoryRegionCache avail;
> >-    MemoryRegionCache used;
> >+    union {
> >+        struct {
> >+            MemoryRegionCache desc;
> >+            MemoryRegionCache avail;
> >+            MemoryRegionCache used;
> >+        };
> >+        struct {
> >+            MemoryRegionCache desc_packed;
> >+            MemoryRegionCache driver;
> >+            MemoryRegionCache device;
> >+        };
> >+    };
> 
> I think we can reuse exist memory region caches? Especially consider
> device/driver area could be treated as a renaming of avail/used area.
> 
> E.g desc for desc_packed, avail for driver area and used for device area.

Yes, I will take it.

> 
> >  } VRingMemoryRegionCaches;
> >  typedef struct VRing
> >@@ -77,10 +94,31 @@ typedef struct VRing
> >      VRingMemoryRegionCaches *caches;
> >  } VRing;
> >+typedef struct VRingPackedDescEvent {
> >+    uint16_t desc_event_off:15,
> >+             desc_event_wrap:1;
> >+    uint16_t desc_event_flags:2;
> >+} VRingPackedDescEvent ;
> >+
> >+typedef struct VRingPacked
> >+{
> >+    unsigned int num;
> >+    unsigned int num_default;
> >+    unsigned int align;
> >+    hwaddr desc;
> >+    hwaddr driver;
> >+    hwaddr device;
> >+    VRingMemoryRegionCaches *caches;
> >+} VRingPacked;
> 
> Same here, can we reuse VRing here?

Yes.

> 
> >+
> >  struct VirtQueue
> >  {
> >-    VRing vring;
> >+    union {
> >+        struct VRing vring;
> >+        struct VRingPacked packed;
> >+    };
> >+    uint8_t wrap_counter:1;
> >      /* Next head to pop */
> >      uint16_t last_avail_idx;
> >@@ -1220,6 +1258,7 @@ void virtio_reset(void *opaque)
> >          vdev->vq[i].vring.num = vdev->vq[i].vring.num_default;
> >          vdev->vq[i].inuse = 0;
> >          virtio_virtqueue_reset_region_cache(&vdev->vq[i]);
> >+        vdev->vq[i].wrap_counter = 1;
> >      }
> >  }
> >diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
> >index 098bdaa..563e88e 100644
> >--- a/include/hw/virtio/virtio.h
> >+++ b/include/hw/virtio/virtio.h
> >@@ -46,6 +46,14 @@ typedef struct VirtQueueElement
> >      unsigned int index;
> >      unsigned int out_num;
> >      unsigned int in_num;
> >+
> >+    /* Number of descriptors used by packed ring */
> 
> Do you mean the number of chained descriptors?

These has been removed.

> 
> >+    uint16_t count;
> >+    uint8_t wrap_counter:1;
> 
> What's the use of this bit? If you refer to my v1 vhost code, I used to have
> this, but it won't work for OOO completion e.g when zerocopy is disabled.
> I've dropped it now.
> 
> This is tricky and can only work when device complete descriptors in order.

Same here.

> 
> >+    /* FIXME: Length of every used buffer for a descriptor,
> >+       move to dynamical allocating due to out/in sgs numbers */
> >+    uint32_t len[VIRTQUEUE_MAX_SIZE];
> 
> Can you explain more about this?

Also here.

> 
> >+
> >      hwaddr *in_addr;
> >      hwaddr *out_addr;
> >      struct iovec *in_sg;
> >@@ -262,7 +270,9 @@ typedef struct VirtIORNGConf VirtIORNGConf;
> >      DEFINE_PROP_BIT64("any_layout", _state, _field, \
> >                        VIRTIO_F_ANY_LAYOUT, true), \
> >      DEFINE_PROP_BIT64("iommu_platform", _state, _field, \
> >-                      VIRTIO_F_IOMMU_PLATFORM, false)
> >+                      VIRTIO_F_IOMMU_PLATFORM, false), \
> >+    DEFINE_PROP_BIT64("ring_packed", _state, _field, \
> >+                      VIRTIO_F_RING_PACKED, true)
> 
> Remember to disable this for old machine types in next version.

Sure, will do.

> 
> Thanks
> 
> >  hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n);
> >  hwaddr virtio_queue_get_avail_addr(VirtIODevice *vdev, int n);
> >diff --git a/include/standard-headers/linux/virtio_config.h b/include/standard-headers/linux/virtio_config.h
> >index b777069..6ee5529 100644
> >--- a/include/standard-headers/linux/virtio_config.h
> >+++ b/include/standard-headers/linux/virtio_config.h
> >@@ -71,4 +71,6 @@
> >   * this is for compatibility with legacy systems.
> >   */
> >  #define VIRTIO_F_IOMMU_PLATFORM		33
> >+
> >+#define VIRTIO_F_RING_PACKED		34
> >  #endif /* _LINUX_VIRTIO_CONFIG_H */
> 

[Qemu-devel] [PATCH 2/8] virtio: memory cache for packed ring

[wexu]

From: Wei Xu <wexu@redhat.com>

A new memory cache is introduced to for packed ring,
the code looks pretty duplicated with split(1.0) ring,
any refactor idea?

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 76 insertions(+), 3 deletions(-)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 9a6bfe7..73a35a4 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -155,13 +155,15 @@ static void virtio_free_region_cache(VRingMemoryRegionCaches *caches)
         return;
     }
 
+    /* FIX ME: pass in 1.1 device here, reuse 1.0 fields at current */
+
     address_space_cache_destroy(&caches->desc);
     address_space_cache_destroy(&caches->avail);
     address_space_cache_destroy(&caches->used);
     g_free(caches);
 }
 
-static void virtio_init_region_cache(VirtIODevice *vdev, int n)
+static void virtio_init_region_cache_split(VirtIODevice *vdev, int n)
 {
     VirtQueue *vq = &vdev->vq[n];
     VRingMemoryRegionCaches *old = vq->vring.caches;
@@ -215,6 +217,65 @@ err_desc:
     g_free(new);
 }
 
+static void virtio_init_region_cache_packed(VirtIODevice *vdev, int n)
+{
+    VirtQueue *vq = &vdev->vq[n];
+    VRingMemoryRegionCaches *old = vq->vring.caches;
+    VRingMemoryRegionCaches *new;
+    hwaddr addr, size;
+    int64_t len;
+
+    addr = vq->packed.desc;
+    if (!addr) {
+        return;
+    }
+    new = g_new0(VRingMemoryRegionCaches, 1);
+    size = virtio_queue_get_desc_size(vdev, n);
+    len = address_space_cache_init(&new->desc_packed, vdev->dma_as,
+                                   addr, size, false);
+    if (len < size) {
+        virtio_error(vdev, "Cannot map desc");
+        goto err_desc;
+    }
+
+    size = sizeof(struct VRingPackedDescEvent);
+    len = address_space_cache_init(&new->driver, vdev->dma_as,
+                                   vq->packed.driver, size, true);
+    if (len < size) {
+        virtio_error(vdev, "Cannot map driver area");
+        goto err_driver;
+    }
+
+    len = address_space_cache_init(&new->device, vdev->dma_as,
+                                   vq->packed.device, size, true);
+    if (len < size) {
+        virtio_error(vdev, "Cannot map device area");
+        goto err_device;
+    }
+
+    atomic_rcu_set(&vq->packed.caches, new);
+    if (old) {
+        call_rcu(old, virtio_free_region_cache, rcu);
+    }
+    return;
+
+err_device:
+    address_space_cache_destroy(&new->driver);
+err_driver:
+    address_space_cache_destroy(&new->desc);
+err_desc:
+    g_free(new);
+}
+
+static void virtio_init_region_cache(VirtIODevice *vdev, int n)
+{
+    if (virtio_vdev_has_feature(vdev, VIRTIO_F_RING_PACKED)) {
+        virtio_init_region_cache_packed(vdev, n);
+    } else {
+        virtio_init_region_cache_split(vdev, n);
+    }
+}
+
 /* virt queue functions */
 void virtio_queue_update_rings(VirtIODevice *vdev, int n)
 {
@@ -245,10 +306,18 @@ static void vring_desc_read(VirtIODevice *vdev, VRingDesc *desc,
 
 static VRingMemoryRegionCaches *vring_get_region_caches(struct VirtQueue *vq)
 {
-    VRingMemoryRegionCaches *caches = atomic_rcu_read(&vq->vring.caches);
+    VRingMemoryRegionCaches *caches;
+
+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
+        caches = atomic_rcu_read(&vq->packed.caches);
+    } else {
+        caches = atomic_rcu_read(&vq->vring.caches);
+    }
+
     assert(caches != NULL);
     return caches;
 }
+
 /* Called within rcu_read_lock().  */
 static inline uint16_t vring_avail_flags(VirtQueue *vq)
 {
@@ -2331,7 +2400,11 @@ hwaddr virtio_queue_get_used_addr(VirtIODevice *vdev, int n)
 
 hwaddr virtio_queue_get_desc_size(VirtIODevice *vdev, int n)
 {
-    return sizeof(VRingDesc) * vdev->vq[n].vring.num;
+    if (virtio_vdev_has_feature(vdev, VIRTIO_F_RING_PACKED)) {
+        return sizeof(VRingDescPacked) * vdev->vq[n].packed.num;
+    } else {
+        return sizeof(VRingDesc) * vdev->vq[n].vring.num;
+    }
 }
 
 hwaddr virtio_queue_get_avail_size(VirtIODevice *vdev, int n)
-- 
2.7.4

Re: [Qemu-devel] [PATCH 2/8] virtio: memory cache for packed ring

[Jason Wang]

On 2018年04月04日 20:53, wexu@redhat.com wrote:
> From: Wei Xu<wexu@redhat.com>
>
> A new memory cache is introduced to for packed ring,
> the code looks pretty duplicated with split(1.0) ring,
> any refactor idea?

I think you can reuse the exist code as I replied in patch 1.

Thanks

[Qemu-devel] [PATCH 3/8] virtio: add empty check for packed ring

[wexu]

From: Wei Xu <wexu@redhat.com>

helper for ring empty check.

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 59 insertions(+), 3 deletions(-)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 73a35a4..478df3d 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -24,6 +24,9 @@
 #include "hw/virtio/virtio-access.h"
 #include "sysemu/dma.h"
 
+#define AVAIL_DESC_PACKED(b) ((b) << 7)
+#define USED_DESC_PACKED(b)  ((b) << 15)
+
 /*
  * The alignment to use between consumer and producer parts of vring.
  * x86 pagesize again. This is the default, used by transports like PCI
@@ -446,10 +449,27 @@ int virtio_queue_ready(VirtQueue *vq)
     return vq->vring.avail != 0;
 }
 
+static void vring_desc_read_packed(VirtIODevice *vdev, VRingDescPacked *desc,
+                            MemoryRegionCache *cache, int i)
+{
+    address_space_read_cached(cache, i * sizeof(VRingDescPacked),
+                              desc, sizeof(VRingDescPacked));
+    virtio_tswap64s(vdev, &desc->addr);
+    virtio_tswap32s(vdev, &desc->len);
+    virtio_tswap16s(vdev, &desc->id);
+    virtio_tswap16s(vdev, &desc->flags);
+}
+
+static inline bool is_desc_avail(struct VRingDescPacked* desc)
+{
+    return (!!(desc->flags & AVAIL_DESC_PACKED(1)) !=
+            !!(desc->flags & USED_DESC_PACKED(1)));
+}
+
 /* Fetch avail_idx from VQ memory only when we really need to know if
  * guest has added some buffers.
  * Called within rcu_read_lock().  */
-static int virtio_queue_empty_rcu(VirtQueue *vq)
+static int virtio_queue_empty_split_rcu(VirtQueue *vq)
 {
     if (unlikely(!vq->vring.avail)) {
         return 1;
@@ -462,7 +482,7 @@ static int virtio_queue_empty_rcu(VirtQueue *vq)
     return vring_avail_idx(vq) == vq->last_avail_idx;
 }
 
-int virtio_queue_empty(VirtQueue *vq)
+static int virtio_queue_empty_split(VirtQueue *vq)
 {
     bool empty;
 
@@ -480,6 +500,42 @@ int virtio_queue_empty(VirtQueue *vq)
     return empty;
 }
 
+static int virtio_queue_empty_packed_rcu(VirtQueue *vq)
+{
+    struct VRingDescPacked desc;
+    VRingMemoryRegionCaches *cache;
+
+    if (unlikely(!vq->packed.desc)) {
+        return 1;
+    }
+
+    cache = vring_get_region_caches(vq);
+    vring_desc_read_packed(vq->vdev, &desc, &cache->desc_packed, vq->last_avail_idx);
+
+    /* Make sure we see the updated flag */
+    smp_mb();
+    return !is_desc_avail(&desc);
+}
+
+static int virtio_queue_empty_packed(VirtQueue *vq)
+{
+    bool empty;
+
+    rcu_read_lock();
+    empty = virtio_queue_empty_packed_rcu(vq);
+    rcu_read_unlock();
+    return empty;
+}
+
+int virtio_queue_empty(VirtQueue *vq)
+{
+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
+        return virtio_queue_empty_packed(vq);
+    } else {
+        return virtio_queue_empty_split(vq);
+    }
+}
+
 static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
                                unsigned int len)
 {
@@ -951,7 +1007,7 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz)
         return NULL;
     }
     rcu_read_lock();
-    if (virtio_queue_empty_rcu(vq)) {
+    if (virtio_queue_empty_split_rcu(vq)) {
         goto done;
     }
     /* Needed after virtio_queue_empty(), see comment in
-- 
2.7.4

Re: [Qemu-devel] [PATCH 3/8] virtio: add empty check for packed ring

[Jason Wang]

On 2018年04月04日 20:53, wexu@redhat.com wrote:
> From: Wei Xu <wexu@redhat.com>
>
> helper for ring empty check.

And descriptor read.

>
> Signed-off-by: Wei Xu <wexu@redhat.com>
> ---
>   hw/virtio/virtio.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++---
>   1 file changed, 59 insertions(+), 3 deletions(-)
>
> diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> index 73a35a4..478df3d 100644
> --- a/hw/virtio/virtio.c
> +++ b/hw/virtio/virtio.c
> @@ -24,6 +24,9 @@
>   #include "hw/virtio/virtio-access.h"
>   #include "sysemu/dma.h"
>   
> +#define AVAIL_DESC_PACKED(b) ((b) << 7)
> +#define USED_DESC_PACKED(b)  ((b) << 15)

Can we pass value other than 1 to this macro?

> +
>   /*
>    * The alignment to use between consumer and producer parts of vring.
>    * x86 pagesize again. This is the default, used by transports like PCI
> @@ -446,10 +449,27 @@ int virtio_queue_ready(VirtQueue *vq)
>       return vq->vring.avail != 0;
>   }
>   
> +static void vring_desc_read_packed(VirtIODevice *vdev, VRingDescPacked *desc,
> +                            MemoryRegionCache *cache, int i)
> +{
> +    address_space_read_cached(cache, i * sizeof(VRingDescPacked),
> +                              desc, sizeof(VRingDescPacked));
> +    virtio_tswap64s(vdev, &desc->addr);
> +    virtio_tswap32s(vdev, &desc->len);
> +    virtio_tswap16s(vdev, &desc->id);
> +    virtio_tswap16s(vdev, &desc->flags);
> +}
> +
> +static inline bool is_desc_avail(struct VRingDescPacked* desc)
> +{
> +    return (!!(desc->flags & AVAIL_DESC_PACKED(1)) !=
> +            !!(desc->flags & USED_DESC_PACKED(1)));

Don't we need to care about endian here?

> +}
> +
>   /* Fetch avail_idx from VQ memory only when we really need to know if
>    * guest has added some buffers.
>    * Called within rcu_read_lock().  */
> -static int virtio_queue_empty_rcu(VirtQueue *vq)
> +static int virtio_queue_empty_split_rcu(VirtQueue *vq)
>   {
>       if (unlikely(!vq->vring.avail)) {
>           return 1;
> @@ -462,7 +482,7 @@ static int virtio_queue_empty_rcu(VirtQueue *vq)
>       return vring_avail_idx(vq) == vq->last_avail_idx;
>   }
>   
> -int virtio_queue_empty(VirtQueue *vq)
> +static int virtio_queue_empty_split(VirtQueue *vq)
>   {
>       bool empty;
>   
> @@ -480,6 +500,42 @@ int virtio_queue_empty(VirtQueue *vq)
>       return empty;
>   }
>   
> +static int virtio_queue_empty_packed_rcu(VirtQueue *vq)
> +{
> +    struct VRingDescPacked desc;
> +    VRingMemoryRegionCaches *cache;
> +
> +    if (unlikely(!vq->packed.desc)) {
> +        return 1;
> +    }
> +
> +    cache = vring_get_region_caches(vq);
> +    vring_desc_read_packed(vq->vdev, &desc, &cache->desc_packed, vq->last_avail_idx);
> +
> +    /* Make sure we see the updated flag */
> +    smp_mb();

What we need here is to make sure flag is read before all other fields, 
looks like this barrier can't.

> +    return !is_desc_avail(&desc);
> +}
> +
> +static int virtio_queue_empty_packed(VirtQueue *vq)
> +{
> +    bool empty;
> +
> +    rcu_read_lock();
> +    empty = virtio_queue_empty_packed_rcu(vq);
> +    rcu_read_unlock();
> +    return empty;
> +}
> +
> +int virtio_queue_empty(VirtQueue *vq)
> +{
> +    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> +        return virtio_queue_empty_packed(vq);
> +    } else {
> +        return virtio_queue_empty_split(vq);
> +    }
> +}
> +
>   static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
>                                  unsigned int len)
>   {
> @@ -951,7 +1007,7 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz)
>           return NULL;
>       }
>       rcu_read_lock();
> -    if (virtio_queue_empty_rcu(vq)) {
> +    if (virtio_queue_empty_split_rcu(vq)) {

I think you'd better have a switch inside virtio_queue_empty_rcu() like 
virtio_queue_empty() here.

Thanks

>           goto done;
>       }
>       /* Needed after virtio_queue_empty(), see comment in

Re: [Qemu-devel] [PATCH 3/8] virtio: add empty check for packed ring

[Wei Xu]

On Tue, Apr 10, 2018 at 03:23:03PM +0800, Jason Wang wrote:
> 
> 
> On 2018年04月04日 20:53, wexu@redhat.com wrote:
> >From: Wei Xu <wexu@redhat.com>
> >
> >helper for ring empty check.
> 
> And descriptor read.

OK.

> 
> >
> >Signed-off-by: Wei Xu <wexu@redhat.com>
> >---
> >  hw/virtio/virtio.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++---
> >  1 file changed, 59 insertions(+), 3 deletions(-)
> >
> >diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> >index 73a35a4..478df3d 100644
> >--- a/hw/virtio/virtio.c
> >+++ b/hw/virtio/virtio.c
> >@@ -24,6 +24,9 @@
> >  #include "hw/virtio/virtio-access.h"
> >  #include "sysemu/dma.h"
> >+#define AVAIL_DESC_PACKED(b) ((b) << 7)
> >+#define USED_DESC_PACKED(b)  ((b) << 15)
> 
> Can we pass value other than 1 to this macro?

Yes, '0' is also provided for some clear/reset cases.

> 
> >+
> >  /*
> >   * The alignment to use between consumer and producer parts of vring.
> >   * x86 pagesize again. This is the default, used by transports like PCI
> >@@ -446,10 +449,27 @@ int virtio_queue_ready(VirtQueue *vq)
> >      return vq->vring.avail != 0;
> >  }
> >+static void vring_desc_read_packed(VirtIODevice *vdev, VRingDescPacked *desc,
> >+                            MemoryRegionCache *cache, int i)
> >+{
> >+    address_space_read_cached(cache, i * sizeof(VRingDescPacked),
> >+                              desc, sizeof(VRingDescPacked));
> >+    virtio_tswap64s(vdev, &desc->addr);
> >+    virtio_tswap32s(vdev, &desc->len);
> >+    virtio_tswap16s(vdev, &desc->id);
> >+    virtio_tswap16s(vdev, &desc->flags);
> >+}
> >+
> >+static inline bool is_desc_avail(struct VRingDescPacked* desc)
> >+{
> >+    return (!!(desc->flags & AVAIL_DESC_PACKED(1)) !=
> >+            !!(desc->flags & USED_DESC_PACKED(1)));
> 
> Don't we need to care about endian here?

Usually we don't since endian has been converted during reading,
will double check it.

> 
> >+}
> >+
> >  /* Fetch avail_idx from VQ memory only when we really need to know if
> >   * guest has added some buffers.
> >   * Called within rcu_read_lock().  */
> >-static int virtio_queue_empty_rcu(VirtQueue *vq)
> >+static int virtio_queue_empty_split_rcu(VirtQueue *vq)
> >  {
> >      if (unlikely(!vq->vring.avail)) {
> >          return 1;
> >@@ -462,7 +482,7 @@ static int virtio_queue_empty_rcu(VirtQueue *vq)
> >      return vring_avail_idx(vq) == vq->last_avail_idx;
> >  }
> >-int virtio_queue_empty(VirtQueue *vq)
> >+static int virtio_queue_empty_split(VirtQueue *vq)
> >  {
> >      bool empty;
> >@@ -480,6 +500,42 @@ int virtio_queue_empty(VirtQueue *vq)
> >      return empty;
> >  }
> >+static int virtio_queue_empty_packed_rcu(VirtQueue *vq)
> >+{
> >+    struct VRingDescPacked desc;
> >+    VRingMemoryRegionCaches *cache;
> >+
> >+    if (unlikely(!vq->packed.desc)) {
> >+        return 1;
> >+    }
> >+
> >+    cache = vring_get_region_caches(vq);
> >+    vring_desc_read_packed(vq->vdev, &desc, &cache->desc_packed, vq->last_avail_idx);
> >+
> >+    /* Make sure we see the updated flag */
> >+    smp_mb();
> 
> What we need here is to make sure flag is read before all other fields,
> looks like this barrier can't.

Isn't flag updated yet if it has been read?

> 
> >+    return !is_desc_avail(&desc);
> >+}
> >+
> >+static int virtio_queue_empty_packed(VirtQueue *vq)
> >+{
> >+    bool empty;
> >+
> >+    rcu_read_lock();
> >+    empty = virtio_queue_empty_packed_rcu(vq);
> >+    rcu_read_unlock();
> >+    return empty;
> >+}
> >+
> >+int virtio_queue_empty(VirtQueue *vq)
> >+{
> >+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> >+        return virtio_queue_empty_packed(vq);
> >+    } else {
> >+        return virtio_queue_empty_split(vq);
> >+    }
> >+}
> >+
> >  static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
> >                                 unsigned int len)
> >  {
> >@@ -951,7 +1007,7 @@ void *virtqueue_pop(VirtQueue *vq, size_t sz)
> >          return NULL;
> >      }
> >      rcu_read_lock();
> >-    if (virtio_queue_empty_rcu(vq)) {
> >+    if (virtio_queue_empty_split_rcu(vq)) {
> 
> I think you'd better have a switch inside virtio_queue_empty_rcu() like
> virtio_queue_empty() here.

OK.

> 
> Thanks
> 
> >          goto done;
> >      }
> >      /* Needed after virtio_queue_empty(), see comment in
> 

Re: [Qemu-devel] [PATCH 3/8] virtio: add empty check for packed ring

[Jason Wang]

On 2018年06月04日 01:44, Wei Xu wrote:
>>> +static int virtio_queue_empty_packed_rcu(VirtQueue *vq)
>>> +{
>>> +    struct VRingDescPacked desc;
>>> +    VRingMemoryRegionCaches *cache;
>>> +
>>> +    if (unlikely(!vq->packed.desc)) {
>>> +        return 1;
>>> +    }
>>> +
>>> +    cache = vring_get_region_caches(vq);
>>> +    vring_desc_read_packed(vq->vdev, &desc, &cache->desc_packed, vq->last_avail_idx);
>>> +
>>> +    /* Make sure we see the updated flag */
>>> +    smp_mb();
>> What we need here is to make sure flag is read before all other fields,
>> looks like this barrier can't.
> Isn't flag updated yet if it has been read?
>

Consider the case of event index, you need make sure flag is read before 
off_wrap.

Thanks

[Qemu-devel] [PATCH 4/8] virtio: add detach element for packed ring(1.1)

[wexu]

From: Wei Xu <wexu@redhat.com>

helper for packed ring

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 478df3d..fdee40f 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -561,6 +561,20 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
                          elem->out_sg[i].iov_len);
 }
 
+static void virtqueue_detach_element_split(VirtQueue *vq,
+                            const VirtQueueElement *elem, unsigned int len)
+{
+    vq->inuse--;
+    virtqueue_unmap_sg(vq, elem, len);
+}
+
+static void virtqueue_detach_element_packed(VirtQueue *vq,
+                            const VirtQueueElement *elem, unsigned int len)
+{
+    vq->inuse -= elem->count;
+    virtqueue_unmap_sg(vq, elem, len);
+}
+
 /* virtqueue_detach_element:
  * @vq: The #VirtQueue
  * @elem: The #VirtQueueElement
@@ -573,8 +587,11 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
 void virtqueue_detach_element(VirtQueue *vq, const VirtQueueElement *elem,
                               unsigned int len)
 {
-    vq->inuse--;
-    virtqueue_unmap_sg(vq, elem, len);
+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
+        virtqueue_detach_element_packed(vq, elem, len);
+    } else {
+        virtqueue_detach_element_split(vq, elem, len);
+    }
 }
 
 /* virtqueue_unpop:
-- 
2.7.4

Re: [Qemu-devel] [PATCH 4/8] virtio: add detach element for packed ring(1.1)

[Jason Wang]

On 2018年04月04日 20:54, wexu@redhat.com wrote:
> From: Wei Xu <wexu@redhat.com>
>
> helper for packed ring

It's odd and hard to review if you put detach patch first. I think this 
patch needs to be reordered after the implementation of pop/map.

Thanks

> Signed-off-by: Wei Xu <wexu@redhat.com>
> ---
>   hw/virtio/virtio.c | 21 +++++++++++++++++++--
>   1 file changed, 19 insertions(+), 2 deletions(-)
>
> diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> index 478df3d..fdee40f 100644
> --- a/hw/virtio/virtio.c
> +++ b/hw/virtio/virtio.c
> @@ -561,6 +561,20 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
>                            elem->out_sg[i].iov_len);
>   }
>   
> +static void virtqueue_detach_element_split(VirtQueue *vq,
> +                            const VirtQueueElement *elem, unsigned int len)
> +{
> +    vq->inuse--;
> +    virtqueue_unmap_sg(vq, elem, len);
> +}
> +
> +static void virtqueue_detach_element_packed(VirtQueue *vq,
> +                            const VirtQueueElement *elem, unsigned int len)
> +{
> +    vq->inuse -= elem->count;
> +    virtqueue_unmap_sg(vq, elem, len);
> +}
> +
>   /* virtqueue_detach_element:
>    * @vq: The #VirtQueue
>    * @elem: The #VirtQueueElement
> @@ -573,8 +587,11 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
>   void virtqueue_detach_element(VirtQueue *vq, const VirtQueueElement *elem,
>                                 unsigned int len)
>   {
> -    vq->inuse--;
> -    virtqueue_unmap_sg(vq, elem, len);
> +    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> +        virtqueue_detach_element_packed(vq, elem, len);
> +    } else {
> +        virtqueue_detach_element_split(vq, elem, len);
> +    }
>   }
>   
>   /* virtqueue_unpop:

Re: [Qemu-devel] [PATCH 4/8] virtio: add detach element for packed ring(1.1)

[Wei Xu]

On Tue, Apr 10, 2018 at 03:32:53PM +0800, Jason Wang wrote:
> 
> 
> On 2018年04月04日 20:54, wexu@redhat.com wrote:
> >From: Wei Xu <wexu@redhat.com>
> >
> >helper for packed ring
> 
> It's odd and hard to review if you put detach patch first. I think this
> patch needs to be reordered after the implementation of pop/map.

This patch is not necessary after sync to tiwei's v5, so we can skip it.

Wei

> 
> Thanks
> 
> >Signed-off-by: Wei Xu <wexu@redhat.com>
> >---
> >  hw/virtio/virtio.c | 21 +++++++++++++++++++--
> >  1 file changed, 19 insertions(+), 2 deletions(-)
> >
> >diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> >index 478df3d..fdee40f 100644
> >--- a/hw/virtio/virtio.c
> >+++ b/hw/virtio/virtio.c
> >@@ -561,6 +561,20 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
> >                           elem->out_sg[i].iov_len);
> >  }
> >+static void virtqueue_detach_element_split(VirtQueue *vq,
> >+                            const VirtQueueElement *elem, unsigned int len)
> >+{
> >+    vq->inuse--;
> >+    virtqueue_unmap_sg(vq, elem, len);
> >+}
> >+
> >+static void virtqueue_detach_element_packed(VirtQueue *vq,
> >+                            const VirtQueueElement *elem, unsigned int len)
> >+{
> >+    vq->inuse -= elem->count;
> >+    virtqueue_unmap_sg(vq, elem, len);
> >+}
> >+
> >  /* virtqueue_detach_element:
> >   * @vq: The #VirtQueue
> >   * @elem: The #VirtQueueElement
> >@@ -573,8 +587,11 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
> >  void virtqueue_detach_element(VirtQueue *vq, const VirtQueueElement *elem,
> >                                unsigned int len)
> >  {
> >-    vq->inuse--;
> >-    virtqueue_unmap_sg(vq, elem, len);
> >+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> >+        virtqueue_detach_element_packed(vq, elem, len);
> >+    } else {
> >+        virtqueue_detach_element_split(vq, elem, len);
> >+    }
> >  }
> >  /* virtqueue_unpop:
> 

Re: [Qemu-devel] [PATCH 4/8] virtio: add detach element for packed ring(1.1)

[Michael S. Tsirkin]

On Mon, Jun 04, 2018 at 09:34:35AM +0800, Wei Xu wrote:
> On Tue, Apr 10, 2018 at 03:32:53PM +0800, Jason Wang wrote:
> > 
> > 
> > On 2018年04月04日 20:54, wexu@redhat.com wrote:
> > >From: Wei Xu <wexu@redhat.com>
> > >
> > >helper for packed ring
> > 
> > It's odd and hard to review if you put detach patch first. I think this
> > patch needs to be reordered after the implementation of pop/map.
> 
> This patch is not necessary after sync to tiwei's v5, so we can skip it.
> 
> Wei

I suspect we will need to bring detach back eventually but yes,
it can wait.

> > 
> > Thanks
> > 
> > >Signed-off-by: Wei Xu <wexu@redhat.com>
> > >---
> > >  hw/virtio/virtio.c | 21 +++++++++++++++++++--
> > >  1 file changed, 19 insertions(+), 2 deletions(-)
> > >
> > >diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> > >index 478df3d..fdee40f 100644
> > >--- a/hw/virtio/virtio.c
> > >+++ b/hw/virtio/virtio.c
> > >@@ -561,6 +561,20 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
> > >                           elem->out_sg[i].iov_len);
> > >  }
> > >+static void virtqueue_detach_element_split(VirtQueue *vq,
> > >+                            const VirtQueueElement *elem, unsigned int len)
> > >+{
> > >+    vq->inuse--;
> > >+    virtqueue_unmap_sg(vq, elem, len);
> > >+}
> > >+
> > >+static void virtqueue_detach_element_packed(VirtQueue *vq,
> > >+                            const VirtQueueElement *elem, unsigned int len)
> > >+{
> > >+    vq->inuse -= elem->count;
> > >+    virtqueue_unmap_sg(vq, elem, len);
> > >+}
> > >+
> > >  /* virtqueue_detach_element:
> > >   * @vq: The #VirtQueue
> > >   * @elem: The #VirtQueueElement
> > >@@ -573,8 +587,11 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
> > >  void virtqueue_detach_element(VirtQueue *vq, const VirtQueueElement *elem,
> > >                                unsigned int len)
> > >  {
> > >-    vq->inuse--;
> > >-    virtqueue_unmap_sg(vq, elem, len);
> > >+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> > >+        virtqueue_detach_element_packed(vq, elem, len);
> > >+    } else {
> > >+        virtqueue_detach_element_split(vq, elem, len);
> > >+    }
> > >  }
> > >  /* virtqueue_unpop:
> > 

Re: [Qemu-devel] [PATCH 4/8] virtio: add detach element for packed ring(1.1)

[Wei Xu]

On Mon, Jun 04, 2018 at 04:54:45AM +0300, Michael S. Tsirkin wrote:
> On Mon, Jun 04, 2018 at 09:34:35AM +0800, Wei Xu wrote:
> > On Tue, Apr 10, 2018 at 03:32:53PM +0800, Jason Wang wrote:
> > > 
> > > 
> > > On 2018年04月04日 20:54, wexu@redhat.com wrote:
> > > >From: Wei Xu <wexu@redhat.com>
> > > >
> > > >helper for packed ring
> > > 
> > > It's odd and hard to review if you put detach patch first. I think this
> > > patch needs to be reordered after the implementation of pop/map.
> > 
> > This patch is not necessary after sync to tiwei's v5, so we can skip it.
> > 
> > Wei
> 
> I suspect we will need to bring detach back eventually but yes,
> it can wait.

Sure, I reuse the code for 1.0 for now.

Wei

> 
> > > 
> > > Thanks
> > > 
> > > >Signed-off-by: Wei Xu <wexu@redhat.com>
> > > >---
> > > >  hw/virtio/virtio.c | 21 +++++++++++++++++++--
> > > >  1 file changed, 19 insertions(+), 2 deletions(-)
> > > >
> > > >diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> > > >index 478df3d..fdee40f 100644
> > > >--- a/hw/virtio/virtio.c
> > > >+++ b/hw/virtio/virtio.c
> > > >@@ -561,6 +561,20 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
> > > >                           elem->out_sg[i].iov_len);
> > > >  }
> > > >+static void virtqueue_detach_element_split(VirtQueue *vq,
> > > >+                            const VirtQueueElement *elem, unsigned int len)
> > > >+{
> > > >+    vq->inuse--;
> > > >+    virtqueue_unmap_sg(vq, elem, len);
> > > >+}
> > > >+
> > > >+static void virtqueue_detach_element_packed(VirtQueue *vq,
> > > >+                            const VirtQueueElement *elem, unsigned int len)
> > > >+{
> > > >+    vq->inuse -= elem->count;
> > > >+    virtqueue_unmap_sg(vq, elem, len);
> > > >+}
> > > >+
> > > >  /* virtqueue_detach_element:
> > > >   * @vq: The #VirtQueue
> > > >   * @elem: The #VirtQueueElement
> > > >@@ -573,8 +587,11 @@ static void virtqueue_unmap_sg(VirtQueue *vq, const VirtQueueElement *elem,
> > > >  void virtqueue_detach_element(VirtQueue *vq, const VirtQueueElement *elem,
> > > >                                unsigned int len)
> > > >  {
> > > >-    vq->inuse--;
> > > >-    virtqueue_unmap_sg(vq, elem, len);
> > > >+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> > > >+        virtqueue_detach_element_packed(vq, elem, len);
> > > >+    } else {
> > > >+        virtqueue_detach_element_split(vq, elem, len);
> > > >+    }
> > > >  }
> > > >  /* virtqueue_unpop:
> > > 
> 

[Qemu-devel] [PATCH 5/8] virtio: notification tweak for packed ring

[wexu]

From: Wei Xu <wexu@redhat.com>

Always enable notify and bypass set notification
before supporting driver and device area.

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index fdee40f..95a4681 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -425,6 +425,10 @@ void virtio_queue_set_notification(VirtQueue *vq, int enable)
 {
     vq->notification = enable;
 
+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
+        return;
+    }
+
     if (!vq->vring.desc) {
         return;
     }
@@ -1801,6 +1805,11 @@ static bool virtio_should_notify(VirtIODevice *vdev, VirtQueue *vq)
 {
     uint16_t old, new;
     bool v;
+
+    if (virtio_vdev_has_feature(vdev, VIRTIO_F_RING_PACKED)) {
+        return true;
+    }
+
     /* We need to expose used array entries before checking used event. */
     smp_mb();
     /* Always notify when queue is empty (when feature acknowledge) */
-- 
2.7.4

[Qemu-devel] [PATCH 6/8] virtio: flush/push support for packed ring

[wexu]

From: Wei Xu <wexu@redhat.com>

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c | 104 +++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 90 insertions(+), 14 deletions(-)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 95a4681..def07c6 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -26,6 +26,7 @@
 
 #define AVAIL_DESC_PACKED(b) ((b) << 7)
 #define USED_DESC_PACKED(b)  ((b) << 15)
+#define VIRTQ_F_DESC_USED(w)  (AVAIL_DESC_PACKED(w) | USED_DESC_PACKED(w))
 
 /*
  * The alignment to use between consumer and producer parts of vring.
@@ -636,19 +637,11 @@ bool virtqueue_rewind(VirtQueue *vq, unsigned int num)
 }
 
 /* Called within rcu_read_lock().  */
-void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
+static void virtqueue_fill_split(VirtQueue *vq, const VirtQueueElement *elem,
                     unsigned int len, unsigned int idx)
 {
     VRingUsedElem uelem;
 
-    trace_virtqueue_fill(vq, elem, len, idx);
-
-    virtqueue_unmap_sg(vq, elem, len);
-
-    if (unlikely(vq->vdev->broken)) {
-        return;
-    }
-
     if (unlikely(!vq->vring.used)) {
         return;
     }
@@ -660,16 +653,66 @@ void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
     vring_used_write(vq, &uelem, idx);
 }
 
-/* Called within rcu_read_lock().  */
-void virtqueue_flush(VirtQueue *vq, unsigned int count)
+static void virtqueue_fill_packed(VirtQueue *vq, const VirtQueueElement *elem)
 {
-    uint16_t old, new;
+    uint16_t i, w, head;
+    VRingMemoryRegionCaches *caches;
+    VRingDescPacked desc = {
+        .addr = 0,
+        .flags = 0,
+    };
+
+    if (unlikely(!vq->packed.desc)) {
+        return;
+    }
+
+    w = elem->wrap_counter;
+    caches = vring_get_region_caches(vq);
+    for (i = 0; i < elem->count; i++) {
+        head = (elem->index + i) % vq->packed.num;
+        /* Don't toggle the first one since it is the originally one */
+        if ((i > 0) && (!head)) {
+            w ^= 1;
+        }
+
+        desc.id = elem->index;
+        desc.flags = VIRTQ_F_DESC_USED(w);
+        desc.len = elem->len[i];
+        virtio_tswap16s(vq->vdev, &desc.id);
+        virtio_tswap32s(vq->vdev, &desc.len);
+        virtio_tswap16s(vq->vdev, &desc.flags);
+        address_space_write_cached(&caches->desc,
+                                   sizeof(VRingDescPacked) * head, &desc,
+                                   sizeof(VRingDescPacked));
+        address_space_cache_invalidate(&caches->desc,
+                                       sizeof(VRingDescPacked) * head,
+                                       sizeof(VRingDescPacked));
+    }
+}
+
+void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
+                    unsigned int len, unsigned int idx)
+{
+    trace_virtqueue_fill(vq, elem, len, idx);
+
+    virtqueue_unmap_sg(vq, elem, len);
 
     if (unlikely(vq->vdev->broken)) {
-        vq->inuse -= count;
         return;
     }
 
+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
+        virtqueue_fill_packed(vq, elem);
+    } else {
+        virtqueue_fill_split(vq, elem, len, idx);
+    }
+}
+
+/* Called within rcu_read_lock().  */
+static void virtqueue_flush_split(VirtQueue *vq, unsigned int count)
+{
+    uint16_t old, new;
+
     if (unlikely(!vq->vring.used)) {
         return;
     }
@@ -685,12 +728,45 @@ void virtqueue_flush(VirtQueue *vq, unsigned int count)
         vq->signalled_used_valid = false;
 }
 
+static void virtqueue_flush_packed(VirtQueue *vq, unsigned int count)
+{
+    if (unlikely(!vq->packed.desc)) {
+        return;
+    }
+
+    vq->inuse -= count;
+
+    /* FIXME: is this correct? */
+    if (vq->inuse) {
+        return;
+    }
+}
+
+void virtqueue_flush(VirtQueue *vq, unsigned int count)
+{
+    if (unlikely(vq->vdev->broken)) {
+        vq->inuse -= count;
+        return;
+    }
+
+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
+        virtqueue_flush_packed(vq, count);
+    } else {
+        virtqueue_flush_split(vq, count);
+    }
+}
+
 void virtqueue_push(VirtQueue *vq, const VirtQueueElement *elem,
                     unsigned int len)
 {
     rcu_read_lock();
     virtqueue_fill(vq, elem, len, 0);
-    virtqueue_flush(vq, 1);
+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
+        /* FIXME: How to deal with the length field for chained desc */
+        virtqueue_flush(vq, elem->count);
+    } else {
+        virtqueue_flush(vq, 1);
+    }
     rcu_read_unlock();
 }
 
-- 
2.7.4

Re: [Qemu-devel] [PATCH 6/8] virtio: flush/push support for packed ring

[Jason Wang]

On 2018年04月04日 20:54, wexu@redhat.com wrote:
> From: Wei Xu <wexu@redhat.com>
>
> Signed-off-by: Wei Xu <wexu@redhat.com>
> ---
>   hw/virtio/virtio.c | 104 +++++++++++++++++++++++++++++++++++++++++++++--------
>   1 file changed, 90 insertions(+), 14 deletions(-)
>
> diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> index 95a4681..def07c6 100644
> --- a/hw/virtio/virtio.c
> +++ b/hw/virtio/virtio.c
> @@ -26,6 +26,7 @@
>   
>   #define AVAIL_DESC_PACKED(b) ((b) << 7)
>   #define USED_DESC_PACKED(b)  ((b) << 15)
> +#define VIRTQ_F_DESC_USED(w)  (AVAIL_DESC_PACKED(w) | USED_DESC_PACKED(w))
>   
>   /*
>    * The alignment to use between consumer and producer parts of vring.
> @@ -636,19 +637,11 @@ bool virtqueue_rewind(VirtQueue *vq, unsigned int num)
>   }
>   
>   /* Called within rcu_read_lock().  */
> -void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
> +static void virtqueue_fill_split(VirtQueue *vq, const VirtQueueElement *elem,
>                       unsigned int len, unsigned int idx)
>   {
>       VRingUsedElem uelem;
>   
> -    trace_virtqueue_fill(vq, elem, len, idx);
> -
> -    virtqueue_unmap_sg(vq, elem, len);
> -
> -    if (unlikely(vq->vdev->broken)) {
> -        return;
> -    }
> -
>       if (unlikely(!vq->vring.used)) {
>           return;
>       }
> @@ -660,16 +653,66 @@ void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
>       vring_used_write(vq, &uelem, idx);
>   }
>   
> -/* Called within rcu_read_lock().  */
> -void virtqueue_flush(VirtQueue *vq, unsigned int count)
> +static void virtqueue_fill_packed(VirtQueue *vq, const VirtQueueElement *elem)
>   {
> -    uint16_t old, new;
> +    uint16_t i, w, head;
> +    VRingMemoryRegionCaches *caches;
> +    VRingDescPacked desc = {
> +        .addr = 0,
> +        .flags = 0,
> +    };
> +
> +    if (unlikely(!vq->packed.desc)) {
> +        return;
> +    }
> +
> +    w = elem->wrap_counter;
> +    caches = vring_get_region_caches(vq);
> +    for (i = 0; i < elem->count; i++) {
> +        head = (elem->index + i) % vq->packed.num;

This looks strange, we should get the location from vq->used_idx.

> +        /* Don't toggle the first one since it is the originally one */
> +        if ((i > 0) && (!head)) {
> +            w ^= 1;
> +        }
> +
> +        desc.id = elem->index;
> +        desc.flags = VIRTQ_F_DESC_USED(w);
> +        desc.len = elem->len[i];

This should be determined by the caller, especially for the WRITE 
descriptor.

> +        virtio_tswap16s(vq->vdev, &desc.id);
> +        virtio_tswap32s(vq->vdev, &desc.len);
> +        virtio_tswap16s(vq->vdev, &desc.flags);
> +        address_space_write_cached(&caches->desc,
> +                                   sizeof(VRingDescPacked) * head, &desc,
> +                                   sizeof(VRingDescPacked));

We should make sure flags is written after other fileds. So need a wmb() 
between the two writes.

> +        address_space_cache_invalidate(&caches->desc,
> +                                       sizeof(VRingDescPacked) * head,
> +                                       sizeof(VRingDescPacked));
> +    }

Have you tested the case when elem->count is greater than one? According 
to the spec device only need to write a single used descriptor for the 
whole list.

> +}
> +
> +void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
> +                    unsigned int len, unsigned int idx)
> +{
> +    trace_virtqueue_fill(vq, elem, len, idx);
> +
> +    virtqueue_unmap_sg(vq, elem, len);
>   
>       if (unlikely(vq->vdev->broken)) {
> -        vq->inuse -= count;
>           return;
>       }
>   
> +    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> +        virtqueue_fill_packed(vq, elem);
> +    } else {
> +        virtqueue_fill_split(vq, elem, len, idx);
> +    }
> +}
> +
> +/* Called within rcu_read_lock().  */
> +static void virtqueue_flush_split(VirtQueue *vq, unsigned int count)
> +{
> +    uint16_t old, new;
> +
>       if (unlikely(!vq->vring.used)) {
>           return;
>       }
> @@ -685,12 +728,45 @@ void virtqueue_flush(VirtQueue *vq, unsigned int count)
>           vq->signalled_used_valid = false;
>   }
>   
> +static void virtqueue_flush_packed(VirtQueue *vq, unsigned int count)
> +{
> +    if (unlikely(!vq->packed.desc)) {
> +        return;
> +    }
> +
> +    vq->inuse -= count;
> +
> +    /* FIXME: is this correct? */
> +    if (vq->inuse) {
> +        return;
> +    }

I think the semantics here is write flags here.

> +}
> +
> +void virtqueue_flush(VirtQueue *vq, unsigned int count)
> +{
> +    if (unlikely(vq->vdev->broken)) {
> +        vq->inuse -= count;
> +        return;
> +    }
> +
> +    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> +        virtqueue_flush_packed(vq, count);
> +    } else {
> +        virtqueue_flush_split(vq, count);
> +    }
> +}
> +
>   void virtqueue_push(VirtQueue *vq, const VirtQueueElement *elem,
>                       unsigned int len)
>   {
>       rcu_read_lock();
>       virtqueue_fill(vq, elem, len, 0);
> -    virtqueue_flush(vq, 1);
> +    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> +        /* FIXME: How to deal with the length field for chained desc */
> +        virtqueue_flush(vq, elem->count);
> +    } else {
> +        virtqueue_flush(vq, 1);
> +    }
>       rcu_read_unlock();
>   }
>   

Thanks

[Qemu-devel] [PATCH 7/8] virtio: get avail bytes check for packed ring

[wexu]

From: Wei Xu <wexu@redhat.com>

mostly as same as 1.0, copy it separately for
prototype, need a refactoring.

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c | 142 +++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 139 insertions(+), 3 deletions(-)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index def07c6..cf726f3 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -836,9 +836,9 @@ static int virtqueue_read_next_desc(VirtIODevice *vdev, VRingDesc *desc,
     return VIRTQUEUE_READ_DESC_MORE;
 }
 
-void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
-                               unsigned int *out_bytes,
-                               unsigned max_in_bytes, unsigned max_out_bytes)
+static void virtqueue_get_avail_bytes_split(VirtQueue *vq,
+                            unsigned int *in_bytes, unsigned int *out_bytes,
+                            unsigned max_in_bytes, unsigned max_out_bytes)
 {
     VirtIODevice *vdev = vq->vdev;
     unsigned int max, idx;
@@ -961,6 +961,142 @@ err:
     goto done;
 }
 
+static void virtqueue_get_avail_bytes_packed(VirtQueue *vq,
+                            unsigned int *in_bytes, unsigned int *out_bytes,
+                            unsigned max_in_bytes, unsigned max_out_bytes)
+{
+    VirtIODevice *vdev = vq->vdev;
+    unsigned int max, idx;
+    unsigned int total_bufs, in_total, out_total;
+    MemoryRegionCache *desc_cache;
+    VRingMemoryRegionCaches *caches;
+    MemoryRegionCache indirect_desc_cache = MEMORY_REGION_CACHE_INVALID;
+    int64_t len = 0;
+    VRingDescPacked desc;
+
+    if (unlikely(!vq->packed.desc)) {
+        if (in_bytes) {
+            *in_bytes = 0;
+        }
+        if (out_bytes) {
+            *out_bytes = 0;
+        }
+        return;
+    }
+
+    rcu_read_lock();
+    idx = vq->last_avail_idx;
+    total_bufs = in_total = out_total = 0;
+
+    max = vq->packed.num;
+    caches = vring_get_region_caches(vq);
+    if (caches->desc.len < max * sizeof(VRingDescPacked)) {
+        virtio_error(vdev, "Cannot map descriptor ring");
+        goto err;
+    }
+
+    desc_cache = &caches->desc;
+    vring_desc_read_packed(vdev, &desc, desc_cache, idx);
+    while (is_desc_avail(&desc)) {
+        unsigned int num_bufs;
+        unsigned int i;
+
+        num_bufs = total_bufs;
+
+        if (desc.flags & VRING_DESC_F_INDIRECT) {
+            if (desc.len % sizeof(VRingDescPacked)) {
+                virtio_error(vdev, "Invalid size for indirect buffer table");
+                goto err;
+            }
+
+            /* If we've got too many, that implies a descriptor loop. */
+            if (num_bufs >= max) {
+                virtio_error(vdev, "Looped descriptor");
+                goto err;
+            }
+
+            /* loop over the indirect descriptor table */
+            len = address_space_cache_init(&indirect_desc_cache,
+                                           vdev->dma_as,
+                                           desc.addr, desc.len, false);
+            desc_cache = &indirect_desc_cache;
+            if (len < desc.len) {
+                virtio_error(vdev, "Cannot map indirect buffer");
+                goto err;
+            }
+
+            max = desc.len / sizeof(VRingDescPacked);
+            num_bufs = i = 0;
+            vring_desc_read_packed(vdev, &desc, desc_cache, i);
+        }
+
+        do {
+            /* If we've got too many, that implies a descriptor loop. */
+            if (++num_bufs > max) {
+                virtio_error(vdev, "Looped descriptor");
+                goto err;
+            }
+
+            if (desc.flags & VRING_DESC_F_WRITE) {
+                in_total += desc.len;
+            } else {
+                out_total += desc.len;
+            }
+            if (in_total >= max_in_bytes && out_total >= max_out_bytes) {
+                goto done;
+            }
+
+            if (desc_cache == &indirect_desc_cache) {
+                vring_desc_read_packed(vdev, &desc, desc_cache,
+                                       ++i % vq->packed.num);
+            } else {
+                vring_desc_read_packed(vdev, &desc, desc_cache,
+                                       ++idx % vq->packed.num);
+            }
+        } while (desc.flags & VRING_DESC_F_NEXT);
+
+        if (desc_cache == &indirect_desc_cache) {
+            address_space_cache_destroy(&indirect_desc_cache);
+            total_bufs++;
+            /* We missed one step on for indirect desc */
+            idx++;
+        } else {
+            total_bufs = num_bufs;
+        }
+
+        desc_cache = &caches->desc;
+        vring_desc_read_packed(vdev, &desc, desc_cache, idx % vq->packed.num);
+    }
+
+done:
+    address_space_cache_destroy(&indirect_desc_cache);
+    if (in_bytes) {
+        *in_bytes = in_total;
+    }
+    if (out_bytes) {
+        *out_bytes = out_total;
+    }
+    rcu_read_unlock();
+    return;
+
+err:
+    in_total = out_total = 0;
+    goto done;
+}
+
+void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
+                               unsigned int *out_bytes,
+                               unsigned max_in_bytes, unsigned max_out_bytes)
+{
+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
+        virtqueue_get_avail_bytes_packed(vq, in_bytes, out_bytes,
+                                         max_in_bytes, max_out_bytes);
+    } else {
+        virtqueue_get_avail_bytes_split(vq, in_bytes, out_bytes,
+                                        max_in_bytes, max_out_bytes);
+    }
+}
+
 int virtqueue_avail_bytes(VirtQueue *vq, unsigned int in_bytes,
                           unsigned int out_bytes)
 {
-- 
2.7.4

Re: [Qemu-devel] [PATCH 7/8] virtio: get avail bytes check for packed ring

[Jason Wang]

On 2018年04月04日 20:54, wexu@redhat.com wrote:
> From: Wei Xu <wexu@redhat.com>
>
> mostly as same as 1.0, copy it separately for
> prototype, need a refactoring.
>
> Signed-off-by: Wei Xu <wexu@redhat.com>
> ---
>   hw/virtio/virtio.c | 142 +++++++++++++++++++++++++++++++++++++++++++++++++++--
>   1 file changed, 139 insertions(+), 3 deletions(-)
>
> diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> index def07c6..cf726f3 100644
> --- a/hw/virtio/virtio.c
> +++ b/hw/virtio/virtio.c
> @@ -836,9 +836,9 @@ static int virtqueue_read_next_desc(VirtIODevice *vdev, VRingDesc *desc,
>       return VIRTQUEUE_READ_DESC_MORE;
>   }
>   
> -void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
> -                               unsigned int *out_bytes,
> -                               unsigned max_in_bytes, unsigned max_out_bytes)
> +static void virtqueue_get_avail_bytes_split(VirtQueue *vq,
> +                            unsigned int *in_bytes, unsigned int *out_bytes,
> +                            unsigned max_in_bytes, unsigned max_out_bytes)
>   {
>       VirtIODevice *vdev = vq->vdev;
>       unsigned int max, idx;
> @@ -961,6 +961,142 @@ err:
>       goto done;
>   }
>   
> +static void virtqueue_get_avail_bytes_packed(VirtQueue *vq,
> +                            unsigned int *in_bytes, unsigned int *out_bytes,
> +                            unsigned max_in_bytes, unsigned max_out_bytes)
> +{
> +    VirtIODevice *vdev = vq->vdev;
> +    unsigned int max, idx;
> +    unsigned int total_bufs, in_total, out_total;
> +    MemoryRegionCache *desc_cache;
> +    VRingMemoryRegionCaches *caches;
> +    MemoryRegionCache indirect_desc_cache = MEMORY_REGION_CACHE_INVALID;
> +    int64_t len = 0;
> +    VRingDescPacked desc;
> +
> +    if (unlikely(!vq->packed.desc)) {
> +        if (in_bytes) {
> +            *in_bytes = 0;
> +        }
> +        if (out_bytes) {
> +            *out_bytes = 0;
> +        }
> +        return;
> +    }
> +
> +    rcu_read_lock();
> +    idx = vq->last_avail_idx;
> +    total_bufs = in_total = out_total = 0;
> +
> +    max = vq->packed.num;
> +    caches = vring_get_region_caches(vq);
> +    if (caches->desc.len < max * sizeof(VRingDescPacked)) {
> +        virtio_error(vdev, "Cannot map descriptor ring");
> +        goto err;
> +    }
> +
> +    desc_cache = &caches->desc;
> +    vring_desc_read_packed(vdev, &desc, desc_cache, idx);
> +    while (is_desc_avail(&desc)) {
> +        unsigned int num_bufs;
> +        unsigned int i;
> +
> +        num_bufs = total_bufs;
> +
> +        if (desc.flags & VRING_DESC_F_INDIRECT) {
> +            if (desc.len % sizeof(VRingDescPacked)) {
> +                virtio_error(vdev, "Invalid size for indirect buffer table");
> +                goto err;
> +            }
> +
> +            /* If we've got too many, that implies a descriptor loop. */
> +            if (num_bufs >= max) {
> +                virtio_error(vdev, "Looped descriptor");
> +                goto err;
> +            }
> +
> +            /* loop over the indirect descriptor table */
> +            len = address_space_cache_init(&indirect_desc_cache,
> +                                           vdev->dma_as,
> +                                           desc.addr, desc.len, false);
> +            desc_cache = &indirect_desc_cache;
> +            if (len < desc.len) {
> +                virtio_error(vdev, "Cannot map indirect buffer");
> +                goto err;
> +            }
> +
> +            max = desc.len / sizeof(VRingDescPacked);
> +            num_bufs = i = 0;
> +            vring_desc_read_packed(vdev, &desc, desc_cache, i);
> +        }
> +
> +        do {
> +            /* If we've got too many, that implies a descriptor loop. */
> +            if (++num_bufs > max) {
> +                virtio_error(vdev, "Looped descriptor");
> +                goto err;
> +            }
> +
> +            if (desc.flags & VRING_DESC_F_WRITE) {
> +                in_total += desc.len;
> +            } else {
> +                out_total += desc.len;
> +            }
> +            if (in_total >= max_in_bytes && out_total >= max_out_bytes) {
> +                goto done;
> +            }
> +
> +            if (desc_cache == &indirect_desc_cache) {
> +                vring_desc_read_packed(vdev, &desc, desc_cache,
> +                                       ++i % vq->packed.num);
> +            } else {
> +                vring_desc_read_packed(vdev, &desc, desc_cache,
> +                                       ++idx % vq->packed.num);
> +            }

Need to make sure desc.flags was read before other fields, otherwise we 
may get stale address.

Thanks

> +        } while (desc.flags & VRING_DESC_F_NEXT);
> +
> +        if (desc_cache == &indirect_desc_cache) {
> +            address_space_cache_destroy(&indirect_desc_cache);
> +            total_bufs++;
> +            /* We missed one step on for indirect desc */
> +            idx++;
> +        } else {
> +            total_bufs = num_bufs;
> +        }
> +
> +        desc_cache = &caches->desc;
> +        vring_desc_read_packed(vdev, &desc, desc_cache, idx % vq->packed.num);
> +    }
> +
> +done:
> +    address_space_cache_destroy(&indirect_desc_cache);
> +    if (in_bytes) {
> +        *in_bytes = in_total;
> +    }
> +    if (out_bytes) {
> +        *out_bytes = out_total;
> +    }
> +    rcu_read_unlock();
> +    return;
> +
> +err:
> +    in_total = out_total = 0;
> +    goto done;
> +}
> +
> +void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
> +                               unsigned int *out_bytes,
> +                               unsigned max_in_bytes, unsigned max_out_bytes)
> +{
> +    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> +        virtqueue_get_avail_bytes_packed(vq, in_bytes, out_bytes,
> +                                         max_in_bytes, max_out_bytes);
> +    } else {
> +        virtqueue_get_avail_bytes_split(vq, in_bytes, out_bytes,
> +                                        max_in_bytes, max_out_bytes);
> +    }
> +}
> +
>   int virtqueue_avail_bytes(VirtQueue *vq, unsigned int in_bytes,
>                             unsigned int out_bytes)
>   {

Re: [Qemu-devel] [PATCH 7/8] virtio: get avail bytes check for packed ring

[Wei Xu]

On Wed, Apr 11, 2018 at 11:03:24AM +0800, Jason Wang wrote:
> 
> 
> On 2018年04月04日 20:54, wexu@redhat.com wrote:
> >From: Wei Xu <wexu@redhat.com>
> >
> >mostly as same as 1.0, copy it separately for
> >prototype, need a refactoring.
> >
> >Signed-off-by: Wei Xu <wexu@redhat.com>
> >---
> >  hw/virtio/virtio.c | 142 +++++++++++++++++++++++++++++++++++++++++++++++++++--
> >  1 file changed, 139 insertions(+), 3 deletions(-)
> >
> >diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> >index def07c6..cf726f3 100644
> >--- a/hw/virtio/virtio.c
> >+++ b/hw/virtio/virtio.c
> >@@ -836,9 +836,9 @@ static int virtqueue_read_next_desc(VirtIODevice *vdev, VRingDesc *desc,
> >      return VIRTQUEUE_READ_DESC_MORE;
> >  }
> >-void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
> >-                               unsigned int *out_bytes,
> >-                               unsigned max_in_bytes, unsigned max_out_bytes)
> >+static void virtqueue_get_avail_bytes_split(VirtQueue *vq,
> >+                            unsigned int *in_bytes, unsigned int *out_bytes,
> >+                            unsigned max_in_bytes, unsigned max_out_bytes)
> >  {
> >      VirtIODevice *vdev = vq->vdev;
> >      unsigned int max, idx;
> >@@ -961,6 +961,142 @@ err:
> >      goto done;
> >  }
> >+static void virtqueue_get_avail_bytes_packed(VirtQueue *vq,
> >+                            unsigned int *in_bytes, unsigned int *out_bytes,
> >+                            unsigned max_in_bytes, unsigned max_out_bytes)
> >+{
> >+    VirtIODevice *vdev = vq->vdev;
> >+    unsigned int max, idx;
> >+    unsigned int total_bufs, in_total, out_total;
> >+    MemoryRegionCache *desc_cache;
> >+    VRingMemoryRegionCaches *caches;
> >+    MemoryRegionCache indirect_desc_cache = MEMORY_REGION_CACHE_INVALID;
> >+    int64_t len = 0;
> >+    VRingDescPacked desc;
> >+
> >+    if (unlikely(!vq->packed.desc)) {
> >+        if (in_bytes) {
> >+            *in_bytes = 0;
> >+        }
> >+        if (out_bytes) {
> >+            *out_bytes = 0;
> >+        }
> >+        return;
> >+    }
> >+
> >+    rcu_read_lock();
> >+    idx = vq->last_avail_idx;
> >+    total_bufs = in_total = out_total = 0;
> >+
> >+    max = vq->packed.num;
> >+    caches = vring_get_region_caches(vq);
> >+    if (caches->desc.len < max * sizeof(VRingDescPacked)) {
> >+        virtio_error(vdev, "Cannot map descriptor ring");
> >+        goto err;
> >+    }
> >+
> >+    desc_cache = &caches->desc;
> >+    vring_desc_read_packed(vdev, &desc, desc_cache, idx);
> >+    while (is_desc_avail(&desc)) {
> >+        unsigned int num_bufs;
> >+        unsigned int i;
> >+
> >+        num_bufs = total_bufs;
> >+
> >+        if (desc.flags & VRING_DESC_F_INDIRECT) {
> >+            if (desc.len % sizeof(VRingDescPacked)) {
> >+                virtio_error(vdev, "Invalid size for indirect buffer table");
> >+                goto err;
> >+            }
> >+
> >+            /* If we've got too many, that implies a descriptor loop. */
> >+            if (num_bufs >= max) {
> >+                virtio_error(vdev, "Looped descriptor");
> >+                goto err;
> >+            }
> >+
> >+            /* loop over the indirect descriptor table */
> >+            len = address_space_cache_init(&indirect_desc_cache,
> >+                                           vdev->dma_as,
> >+                                           desc.addr, desc.len, false);
> >+            desc_cache = &indirect_desc_cache;
> >+            if (len < desc.len) {
> >+                virtio_error(vdev, "Cannot map indirect buffer");
> >+                goto err;
> >+            }
> >+
> >+            max = desc.len / sizeof(VRingDescPacked);
> >+            num_bufs = i = 0;
> >+            vring_desc_read_packed(vdev, &desc, desc_cache, i);
> >+        }
> >+
> >+        do {
> >+            /* If we've got too many, that implies a descriptor loop. */
> >+            if (++num_bufs > max) {
> >+                virtio_error(vdev, "Looped descriptor");
> >+                goto err;
> >+            }
> >+
> >+            if (desc.flags & VRING_DESC_F_WRITE) {
> >+                in_total += desc.len;
> >+            } else {
> >+                out_total += desc.len;
> >+            }
> >+            if (in_total >= max_in_bytes && out_total >= max_out_bytes) {
> >+                goto done;
> >+            }
> >+
> >+            if (desc_cache == &indirect_desc_cache) {
> >+                vring_desc_read_packed(vdev, &desc, desc_cache,
> >+                                       ++i % vq->packed.num);
> >+            } else {
> >+                vring_desc_read_packed(vdev, &desc, desc_cache,
> >+                                       ++idx % vq->packed.num);
> >+            }
> 
> Need to make sure desc.flags was read before other fields, otherwise we may
> get stale address.

OK, need a barrier here, thanks.

Wei

> 
> Thanks
> 
> >+        } while (desc.flags & VRING_DESC_F_NEXT);
> >+
> >+        if (desc_cache == &indirect_desc_cache) {
> >+            address_space_cache_destroy(&indirect_desc_cache);
> >+            total_bufs++;
> >+            /* We missed one step on for indirect desc */
> >+            idx++;
> >+        } else {
> >+            total_bufs = num_bufs;
> >+        }
> >+
> >+        desc_cache = &caches->desc;
> >+        vring_desc_read_packed(vdev, &desc, desc_cache, idx % vq->packed.num);
> >+    }
> >+
> >+done:
> >+    address_space_cache_destroy(&indirect_desc_cache);
> >+    if (in_bytes) {
> >+        *in_bytes = in_total;
> >+    }
> >+    if (out_bytes) {
> >+        *out_bytes = out_total;
> >+    }
> >+    rcu_read_unlock();
> >+    return;
> >+
> >+err:
> >+    in_total = out_total = 0;
> >+    goto done;
> >+}
> >+
> >+void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
> >+                               unsigned int *out_bytes,
> >+                               unsigned max_in_bytes, unsigned max_out_bytes)
> >+{
> >+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> >+        virtqueue_get_avail_bytes_packed(vq, in_bytes, out_bytes,
> >+                                         max_in_bytes, max_out_bytes);
> >+    } else {
> >+        virtqueue_get_avail_bytes_split(vq, in_bytes, out_bytes,
> >+                                        max_in_bytes, max_out_bytes);
> >+    }
> >+}
> >+
> >  int virtqueue_avail_bytes(VirtQueue *vq, unsigned int in_bytes,
> >                            unsigned int out_bytes)
> >  {
> 
> 

[Qemu-devel] [PATCH 8/8] virtio: queue pop support for packed ring

[wexu]

From: Wei Xu <wexu@redhat.com>

cloned from split ring pop, a global static length array
and the inside-element length array are introduced to
easy prototype, this consumes more memory and it is valuable
to move to dynamic allocation as the out/in sg does.

Signed-off-by: Wei Xu <wexu@redhat.com>
---
 hw/virtio/virtio.c | 154 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 153 insertions(+), 1 deletion(-)

diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index cf726f3..0eafb38 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -1221,7 +1221,7 @@ static void *virtqueue_alloc_element(size_t sz, unsigned out_num, unsigned in_nu
     return elem;
 }
 
-void *virtqueue_pop(VirtQueue *vq, size_t sz)
+static void *virtqueue_pop_split(VirtQueue *vq, size_t sz)
 {
     unsigned int i, head, max;
     VRingMemoryRegionCaches *caches;
@@ -1356,6 +1356,158 @@ err_undo_map:
     goto done;
 }
 
+static uint16_t dma_len[VIRTQUEUE_MAX_SIZE];
+static void *virtqueue_pop_packed(VirtQueue *vq, size_t sz)
+{
+    unsigned int i, head, max;
+    VRingMemoryRegionCaches *caches;
+    MemoryRegionCache indirect_desc_cache = MEMORY_REGION_CACHE_INVALID;
+    MemoryRegionCache *cache;
+    int64_t len;
+    VirtIODevice *vdev = vq->vdev;
+    VirtQueueElement *elem = NULL;
+    unsigned out_num, in_num, elem_entries;
+    hwaddr addr[VIRTQUEUE_MAX_SIZE];
+    struct iovec iov[VIRTQUEUE_MAX_SIZE];
+    VRingDescPacked desc;
+    uint8_t wrap_counter;
+
+    if (unlikely(vdev->broken)) {
+        return NULL;
+    }
+
+    vq->last_avail_idx %= vq->packed.num;
+
+    rcu_read_lock();
+    if (virtio_queue_empty_packed_rcu(vq)) {
+        goto done;
+    }
+
+    /* When we start there are none of either input nor output. */
+    out_num = in_num = elem_entries = 0;
+
+    max = vq->vring.num;
+
+    if (vq->inuse >= vq->vring.num) {
+        virtio_error(vdev, "Virtqueue size exceeded");
+        goto done;
+    }
+
+    if (virtio_vdev_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX)) {
+        /* FIXME: TBD */
+    }
+
+    head = vq->last_avail_idx;
+    i = head;
+
+    caches = vring_get_region_caches(vq);
+    cache = &caches->desc_packed;
+    vring_desc_read_packed(vdev, &desc, cache, i);
+    if (desc.flags & VRING_DESC_F_INDIRECT) {
+        if (desc.len % sizeof(VRingDescPacked)) {
+            virtio_error(vdev, "Invalid size for indirect buffer table");
+            goto done;
+        }
+
+        /* loop over the indirect descriptor table */
+        len = address_space_cache_init(&indirect_desc_cache, vdev->dma_as,
+                                       desc.addr, desc.len, false);
+        cache = &indirect_desc_cache;
+        if (len < desc.len) {
+            virtio_error(vdev, "Cannot map indirect buffer");
+            goto done;
+        }
+
+        max = desc.len / sizeof(VRingDescPacked);
+        i = 0;
+        vring_desc_read_packed(vdev, &desc, cache, i);
+    }
+
+    wrap_counter = vq->wrap_counter;
+    /* Collect all the descriptors */
+    while (1) {
+        bool map_ok;
+
+        if (desc.flags & VRING_DESC_F_WRITE) {
+            map_ok = virtqueue_map_desc(vdev, &in_num, addr + out_num,
+                                        iov + out_num,
+                                        VIRTQUEUE_MAX_SIZE - out_num, true,
+                                        desc.addr, desc.len);
+        } else {
+            if (in_num) {
+                virtio_error(vdev, "Incorrect order for descriptors");
+                goto err_undo_map;
+            }
+            map_ok = virtqueue_map_desc(vdev, &out_num, addr, iov,
+                                        VIRTQUEUE_MAX_SIZE, false,
+                                        desc.addr, desc.len);
+        }
+        if (!map_ok) {
+            goto err_undo_map;
+        }
+
+        /* If we've got too many, that implies a descriptor loop. */
+        if (++elem_entries > max) {
+            virtio_error(vdev, "Looped descriptor");
+            goto err_undo_map;
+        }
+
+        dma_len[i++] = desc.len;
+        /* Toggle wrap_counter for non indirect desc */
+        if ((i == vq->packed.num) && (cache != &indirect_desc_cache)) {
+            vq->wrap_counter ^= 1;
+        }
+
+        if (desc.flags & VRING_DESC_F_NEXT) {
+            vring_desc_read_packed(vq->vdev, &desc, cache, i % vq->packed.num);
+        } else {
+            break;
+        }
+    }
+
+    /* Now copy what we have collected and mapped */
+    elem = virtqueue_alloc_element(sz, out_num, in_num);
+    elem->index = head;
+    elem->wrap_counter = wrap_counter;
+    elem->count = (cache == &indirect_desc_cache) ? 1 : out_num + in_num;
+    for (i = 0; i < out_num; i++) {
+        /* DMA Done by marking the length as 0 */
+        elem->len[i] = 0;
+        elem->out_addr[i] = addr[i];
+        elem->out_sg[i] = iov[i];
+    }
+    for (i = 0; i < in_num; i++) {
+        elem->len[out_num + i] = dma_len[head + out_num + i];
+        elem->in_addr[i] = addr[out_num + i];
+        elem->in_sg[i] = iov[out_num + i];
+    }
+
+    vq->last_avail_idx += elem->count;
+    vq->last_avail_idx %= vq->packed.num;
+    vq->inuse += elem->count;
+
+    trace_virtqueue_pop(vq, elem, elem->in_num, elem->out_num);
+done:
+    address_space_cache_destroy(&indirect_desc_cache);
+    rcu_read_unlock();
+
+    return elem;
+
+err_undo_map:
+    virtqueue_undo_map_desc(out_num, in_num, iov);
+    g_free(elem);
+    goto done;
+}
+
+void *virtqueue_pop(VirtQueue *vq, size_t sz)
+{
+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
+        return virtqueue_pop_packed(vq, sz);
+    } else {
+        return virtqueue_pop_split(vq, sz);
+    }
+}
+
 /* virtqueue_drop_all:
  * @vq: The #VirtQueue
  * Drops all queued buffers and indicates them to the guest
-- 
2.7.4

Re: [Qemu-devel] [PATCH 8/8] virtio: queue pop support for packed ring

[Jason Wang]

On 2018年04月04日 20:54, wexu@redhat.com wrote:
> From: Wei Xu <wexu@redhat.com>
>
> cloned from split ring pop, a global static length array
> and the inside-element length array are introduced to
> easy prototype, this consumes more memory and it is valuable
> to move to dynamic allocation as the out/in sg does.

To ease the reviewer, I suggest to reorder this patch to patch 4.

>
> Signed-off-by: Wei Xu <wexu@redhat.com>
> ---
>   hw/virtio/virtio.c | 154 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
>   1 file changed, 153 insertions(+), 1 deletion(-)
>
> diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> index cf726f3..0eafb38 100644
> --- a/hw/virtio/virtio.c
> +++ b/hw/virtio/virtio.c
> @@ -1221,7 +1221,7 @@ static void *virtqueue_alloc_element(size_t sz, unsigned out_num, unsigned in_nu
>       return elem;
>   }
>   
> -void *virtqueue_pop(VirtQueue *vq, size_t sz)
> +static void *virtqueue_pop_split(VirtQueue *vq, size_t sz)
>   {
>       unsigned int i, head, max;
>       VRingMemoryRegionCaches *caches;
> @@ -1356,6 +1356,158 @@ err_undo_map:
>       goto done;
>   }
>   
> +static uint16_t dma_len[VIRTQUEUE_MAX_SIZE];

This looks odd.

> +static void *virtqueue_pop_packed(VirtQueue *vq, size_t sz)
> +{
> +    unsigned int i, head, max;
> +    VRingMemoryRegionCaches *caches;
> +    MemoryRegionCache indirect_desc_cache = MEMORY_REGION_CACHE_INVALID;
> +    MemoryRegionCache *cache;
> +    int64_t len;
> +    VirtIODevice *vdev = vq->vdev;
> +    VirtQueueElement *elem = NULL;
> +    unsigned out_num, in_num, elem_entries;
> +    hwaddr addr[VIRTQUEUE_MAX_SIZE];
> +    struct iovec iov[VIRTQUEUE_MAX_SIZE];
> +    VRingDescPacked desc;
> +    uint8_t wrap_counter;
> +
> +    if (unlikely(vdev->broken)) {
> +        return NULL;
> +    }
> +
> +    vq->last_avail_idx %= vq->packed.num;

Queue size could not be a power of 2.

> +
> +    rcu_read_lock();
> +    if (virtio_queue_empty_packed_rcu(vq)) {
> +        goto done;
> +    }
> +
> +    /* When we start there are none of either input nor output. */
> +    out_num = in_num = elem_entries = 0;
> +
> +    max = vq->vring.num;
> +
> +    if (vq->inuse >= vq->vring.num) {
> +        virtio_error(vdev, "Virtqueue size exceeded");
> +        goto done;
> +    }
> +
> +    if (virtio_vdev_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX)) {
> +        /* FIXME: TBD */
> +    }
> +
> +    head = vq->last_avail_idx;
> +    i = head;
> +
> +    caches = vring_get_region_caches(vq);
> +    cache = &caches->desc_packed;
> +    vring_desc_read_packed(vdev, &desc, cache, i);
> +    if (desc.flags & VRING_DESC_F_INDIRECT) {
> +        if (desc.len % sizeof(VRingDescPacked)) {
> +            virtio_error(vdev, "Invalid size for indirect buffer table");
> +            goto done;
> +        }
> +
> +        /* loop over the indirect descriptor table */
> +        len = address_space_cache_init(&indirect_desc_cache, vdev->dma_as,
> +                                       desc.addr, desc.len, false);
> +        cache = &indirect_desc_cache;
> +        if (len < desc.len) {
> +            virtio_error(vdev, "Cannot map indirect buffer");
> +            goto done;
> +        }
> +
> +        max = desc.len / sizeof(VRingDescPacked);
> +        i = 0;
> +        vring_desc_read_packed(vdev, &desc, cache, i);
> +    }
> +
> +    wrap_counter = vq->wrap_counter;
> +    /* Collect all the descriptors */
> +    while (1) {
> +        bool map_ok;
> +
> +        if (desc.flags & VRING_DESC_F_WRITE) {
> +            map_ok = virtqueue_map_desc(vdev, &in_num, addr + out_num,
> +                                        iov + out_num,
> +                                        VIRTQUEUE_MAX_SIZE - out_num, true,
> +                                        desc.addr, desc.len);
> +        } else {
> +            if (in_num) {
> +                virtio_error(vdev, "Incorrect order for descriptors");
> +                goto err_undo_map;
> +            }
> +            map_ok = virtqueue_map_desc(vdev, &out_num, addr, iov,
> +                                        VIRTQUEUE_MAX_SIZE, false,
> +                                        desc.addr, desc.len);
> +        }
> +        if (!map_ok) {
> +            goto err_undo_map;
> +        }
> +
> +        /* If we've got too many, that implies a descriptor loop. */
> +        if (++elem_entries > max) {
> +            virtio_error(vdev, "Looped descriptor");
> +            goto err_undo_map;
> +        }
> +
> +        dma_len[i++] = desc.len;
> +        /* Toggle wrap_counter for non indirect desc */
> +        if ((i == vq->packed.num) && (cache != &indirect_desc_cache)) {
> +            vq->wrap_counter ^= 1;
> +        }
> +
> +        if (desc.flags & VRING_DESC_F_NEXT) {
> +            vring_desc_read_packed(vq->vdev, &desc, cache, i % vq->packed.num);
> +        } else {
> +            break;
> +        }
> +    }
> +
> +    /* Now copy what we have collected and mapped */
> +    elem = virtqueue_alloc_element(sz, out_num, in_num);
> +    elem->index = head;

This seems wrong, we could not assume buffer id is last_avail_idx.

> +    elem->wrap_counter = wrap_counter;
> +    elem->count = (cache == &indirect_desc_cache) ? 1 : out_num + in_num;
> +    for (i = 0; i < out_num; i++) {
> +        /* DMA Done by marking the length as 0 */

This seems unnecessary, spec said:

"
In a used descriptor, Element Address is unused. Element Length 
specifies the length of the buffer that has
been initialized (written to) by the device.
Element length is reserved for used descriptors without the 
VIRTQ_DESC_F_WRITE flag, and is ignored
by drivers.
"

> +        elem->len[i] = 0;
> +        elem->out_addr[i] = addr[i];
> +        elem->out_sg[i] = iov[i];
> +    }
> +    for (i = 0; i < in_num; i++) {
> +        elem->len[out_num + i] = dma_len[head + out_num + i];

Shouldn't elem->len be determined by virtqueue_fill()?

> +        elem->in_addr[i] = addr[out_num + i];
> +        elem->in_sg[i] = iov[out_num + i];
> +    }
> +
> +    vq->last_avail_idx += elem->count;
> +    vq->last_avail_idx %= vq->packed.num;

Same here, num could not be a power of 2.

> +    vq->inuse += elem->count;
> +
> +    trace_virtqueue_pop(vq, elem, elem->in_num, elem->out_num);
> +done:
> +    address_space_cache_destroy(&indirect_desc_cache);
> +    rcu_read_unlock();
> +
> +    return elem;
> +
> +err_undo_map:
> +    virtqueue_undo_map_desc(out_num, in_num, iov);
> +    g_free(elem);
> +    goto done;

Only few minors difference with split version, can we manage to unify them?

> +}
> +
> +void *virtqueue_pop(VirtQueue *vq, size_t sz)
> +{
> +    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> +        return virtqueue_pop_packed(vq, sz);
> +    } else {
> +        return virtqueue_pop_split(vq, sz);
> +    }
> +}
> +
>   /* virtqueue_drop_all:
>    * @vq: The #VirtQueue
>    * Drops all queued buffers and indicates them to the guest

Thanks

Re: [Qemu-devel] [PATCH 8/8] virtio: queue pop support for packed ring

[Wei Xu]

On Wed, Apr 11, 2018 at 10:43:40AM +0800, Jason Wang wrote:
> 
> 
> On 2018年04月04日 20:54, wexu@redhat.com wrote:
> >From: Wei Xu <wexu@redhat.com>
> >
> >cloned from split ring pop, a global static length array
> >and the inside-element length array are introduced to
> >easy prototype, this consumes more memory and it is valuable
> >to move to dynamic allocation as the out/in sg does.
> 
> To ease the reviewer, I suggest to reorder this patch to patch 4.

OK.

> 
> >
> >Signed-off-by: Wei Xu <wexu@redhat.com>
> >---
> >  hw/virtio/virtio.c | 154 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
> >  1 file changed, 153 insertions(+), 1 deletion(-)
> >
> >diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
> >index cf726f3..0eafb38 100644
> >--- a/hw/virtio/virtio.c
> >+++ b/hw/virtio/virtio.c
> >@@ -1221,7 +1221,7 @@ static void *virtqueue_alloc_element(size_t sz, unsigned out_num, unsigned in_nu
> >      return elem;
> >  }
> >-void *virtqueue_pop(VirtQueue *vq, size_t sz)
> >+static void *virtqueue_pop_split(VirtQueue *vq, size_t sz)
> >  {
> >      unsigned int i, head, max;
> >      VRingMemoryRegionCaches *caches;
> >@@ -1356,6 +1356,158 @@ err_undo_map:
> >      goto done;
> >  }
> >+static uint16_t dma_len[VIRTQUEUE_MAX_SIZE];
> 
> This looks odd.

This has been removed.

> 
> >+static void *virtqueue_pop_packed(VirtQueue *vq, size_t sz)
> >+{
> >+    unsigned int i, head, max;
> >+    VRingMemoryRegionCaches *caches;
> >+    MemoryRegionCache indirect_desc_cache = MEMORY_REGION_CACHE_INVALID;
> >+    MemoryRegionCache *cache;
> >+    int64_t len;
> >+    VirtIODevice *vdev = vq->vdev;
> >+    VirtQueueElement *elem = NULL;
> >+    unsigned out_num, in_num, elem_entries;
> >+    hwaddr addr[VIRTQUEUE_MAX_SIZE];
> >+    struct iovec iov[VIRTQUEUE_MAX_SIZE];
> >+    VRingDescPacked desc;
> >+    uint8_t wrap_counter;
> >+
> >+    if (unlikely(vdev->broken)) {
> >+        return NULL;
> >+    }
> >+
> >+    vq->last_avail_idx %= vq->packed.num;
> 
> Queue size could not be a power of 2.

Has replaced it with subtraction.

> 
> >+
> >+    rcu_read_lock();
> >+    if (virtio_queue_empty_packed_rcu(vq)) {
> >+        goto done;
> >+    }
> >+
> >+    /* When we start there are none of either input nor output. */
> >+    out_num = in_num = elem_entries = 0;
> >+
> >+    max = vq->vring.num;
> >+
> >+    if (vq->inuse >= vq->vring.num) {
> >+        virtio_error(vdev, "Virtqueue size exceeded");
> >+        goto done;
> >+    }
> >+
> >+    if (virtio_vdev_has_feature(vdev, VIRTIO_RING_F_EVENT_IDX)) {
> >+        /* FIXME: TBD */
> >+    }
> >+
> >+    head = vq->last_avail_idx;
> >+    i = head;
> >+
> >+    caches = vring_get_region_caches(vq);
> >+    cache = &caches->desc_packed;
> >+    vring_desc_read_packed(vdev, &desc, cache, i);
> >+    if (desc.flags & VRING_DESC_F_INDIRECT) {
> >+        if (desc.len % sizeof(VRingDescPacked)) {
> >+            virtio_error(vdev, "Invalid size for indirect buffer table");
> >+            goto done;
> >+        }
> >+
> >+        /* loop over the indirect descriptor table */
> >+        len = address_space_cache_init(&indirect_desc_cache, vdev->dma_as,
> >+                                       desc.addr, desc.len, false);
> >+        cache = &indirect_desc_cache;
> >+        if (len < desc.len) {
> >+            virtio_error(vdev, "Cannot map indirect buffer");
> >+            goto done;
> >+        }
> >+
> >+        max = desc.len / sizeof(VRingDescPacked);
> >+        i = 0;
> >+        vring_desc_read_packed(vdev, &desc, cache, i);
> >+    }
> >+
> >+    wrap_counter = vq->wrap_counter;
> >+    /* Collect all the descriptors */
> >+    while (1) {
> >+        bool map_ok;
> >+
> >+        if (desc.flags & VRING_DESC_F_WRITE) {
> >+            map_ok = virtqueue_map_desc(vdev, &in_num, addr + out_num,
> >+                                        iov + out_num,
> >+                                        VIRTQUEUE_MAX_SIZE - out_num, true,
> >+                                        desc.addr, desc.len);
> >+        } else {
> >+            if (in_num) {
> >+                virtio_error(vdev, "Incorrect order for descriptors");
> >+                goto err_undo_map;
> >+            }
> >+            map_ok = virtqueue_map_desc(vdev, &out_num, addr, iov,
> >+                                        VIRTQUEUE_MAX_SIZE, false,
> >+                                        desc.addr, desc.len);
> >+        }
> >+        if (!map_ok) {
> >+            goto err_undo_map;
> >+        }
> >+
> >+        /* If we've got too many, that implies a descriptor loop. */
> >+        if (++elem_entries > max) {
> >+            virtio_error(vdev, "Looped descriptor");
> >+            goto err_undo_map;
> >+        }
> >+
> >+        dma_len[i++] = desc.len;
> >+        /* Toggle wrap_counter for non indirect desc */
> >+        if ((i == vq->packed.num) && (cache != &indirect_desc_cache)) {
> >+            vq->wrap_counter ^= 1;
> >+        }
> >+
> >+        if (desc.flags & VRING_DESC_F_NEXT) {
> >+            vring_desc_read_packed(vq->vdev, &desc, cache, i % vq->packed.num);
> >+        } else {
> >+            break;
> >+        }
> >+    }
> >+
> >+    /* Now copy what we have collected and mapped */
> >+    elem = virtqueue_alloc_element(sz, out_num, in_num);
> >+    elem->index = head;
> 
> This seems wrong, we could not assume buffer id is last_avail_idx.

Yes, I have revised it.

> 
> >+    elem->wrap_counter = wrap_counter;
> >+    elem->count = (cache == &indirect_desc_cache) ? 1 : out_num + in_num;
> >+    for (i = 0; i < out_num; i++) {
> >+        /* DMA Done by marking the length as 0 */
> 
> This seems unnecessary, spec said:
> 
> "
> In a used descriptor, Element Address is unused. Element Length specifies
> the length of the buffer that has
> been initialized (written to) by the device.
> Element length is reserved for used descriptors without the
> VIRTQ_DESC_F_WRITE flag, and is ignored
> by drivers.
> "

I am not sure, it seems it breaks Tx if I do not set it, so I copied it from
vhost, see vhost_add_used_and_signal(..., 0) in handle_tx().

> 
> >+        elem->len[i] = 0;
> >+        elem->out_addr[i] = addr[i];
> >+        elem->out_sg[i] = iov[i];
> >+    }
> >+    for (i = 0; i < in_num; i++) {
> >+        elem->len[out_num + i] = dma_len[head + out_num + i];
> 
> Shouldn't elem->len be determined by virtqueue_fill()?
> 
> >+        elem->in_addr[i] = addr[out_num + i];
> >+        elem->in_sg[i] = iov[out_num + i];
> >+    }
> >+
> >+    vq->last_avail_idx += elem->count;
> >+    vq->last_avail_idx %= vq->packed.num;
> 
> Same here, num could not be a power of 2.

Revised.

> 
> >+    vq->inuse += elem->count;
> >+
> >+    trace_virtqueue_pop(vq, elem, elem->in_num, elem->out_num);
> >+done:
> >+    address_space_cache_destroy(&indirect_desc_cache);
> >+    rcu_read_unlock();
> >+
> >+    return elem;
> >+
> >+err_undo_map:
> >+    virtqueue_undo_map_desc(out_num, in_num, iov);
> >+    g_free(elem);
> >+    goto done;
> 
> Only few minors difference with split version, can we manage to unify them?

Yes, will try to do it in next version.

Wei

> 
> >+}
> >+
> >+void *virtqueue_pop(VirtQueue *vq, size_t sz)
> >+{
> >+    if (virtio_vdev_has_feature(vq->vdev, VIRTIO_F_RING_PACKED)) {
> >+        return virtqueue_pop_packed(vq, sz);
> >+    } else {
> >+        return virtqueue_pop_split(vq, sz);
> >+    }
> >+}
> >+
> >  /* virtqueue_drop_all:
> >   * @vq: The #VirtQueue
> >   * Drops all queued buffers and indicates them to the guest
> 
> Thanks
> 
> 

Re: [Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

[no-reply]

Hi,

This series seems to have some coding style problems. See output below for
more information:

Type: series
Message-id: 1522846444-31725-1-git-send-email-wexu@redhat.com
Subject: [Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

=== TEST SCRIPT BEGIN ===
#!/bin/bash

BASE=base
n=1
total=$(git log --oneline $BASE.. | wc -l)
failed=0

git config --local diff.renamelimit 0
git config --local diff.renames True
git config --local diff.algorithm histogram

commits="$(git log --format=%H --reverse $BASE..)"
for c in $commits; do
    echo "Checking PATCH $n/$total: $(git log -n 1 --format=%s $c)..."
    if ! git show $c --format=email | ./scripts/checkpatch.pl --mailback -; then
        failed=1
        echo
    fi
    n=$((n+1))
done

exit $failed
=== TEST SCRIPT END ===

Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
From https://github.com/patchew-project/qemu
   094b62cd9c..e5efa1f5f2  master     -> master
 * [new tag]               patchew/1522846444-31725-1-git-send-email-wexu@redhat.com -> patchew/1522846444-31725-1-git-send-email-wexu@redhat.com
 t [tag update]            patchew/20180329113320.8053-1-cohuck@redhat.com -> patchew/20180329113320.8053-1-cohuck@redhat.com
 t [tag update]            patchew/20180404114709.45118-1-jiangshanlai@gmail.com -> patchew/20180404114709.45118-1-jiangshanlai@gmail.com
Switched to a new branch 'test'
a5ed4f9354 virtio: queue pop support for packed ring
eda38cccfc virtio: get avail bytes check for packed ring
d6b7b8f192 virtio: flush/push support for packed ring
2ae1f234dc virtio: notification tweak for packed ring
5c44b67629 virtio: add detach element for packed ring(1.1)
7bc7372e93 virtio: add empty check for packed ring
cf399da035 virtio: memory cache for packed ring
606ec5dc23 virtio: feature bit, data structure for packed ring

=== OUTPUT BEGIN ===
Checking PATCH 1/8: virtio: feature bit, data structure for packed ring...
ERROR: open brace '{' following struct go on the same line
#21: FILE: hw/virtio/virtio.c:43:
+typedef struct VRingDescPacked
+{

ERROR: open brace '{' following struct go on the same line
#64: FILE: hw/virtio/virtio.c:104:
+typedef struct VRingPacked
+{

total: 2 errors, 0 warnings, 104 lines checked

Your patch has style problems, please review.  If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.

Checking PATCH 2/8: virtio: memory cache for packed ring...
Checking PATCH 3/8: virtio: add empty check for packed ring...
ERROR: "foo* bar" should be "foo *bar"
#40: FILE: hw/virtio/virtio.c:463:
+static inline bool is_desc_avail(struct VRingDescPacked* desc)

ERROR: return is not a function, parentheses are not required
#42: FILE: hw/virtio/virtio.c:465:
+    return (!!(desc->flags & AVAIL_DESC_PACKED(1)) !=

WARNING: line over 80 characters
#77: FILE: hw/virtio/virtio.c:513:
+    vring_desc_read_packed(vq->vdev, &desc, &cache->desc_packed, vq->last_avail_idx);

total: 2 errors, 1 warnings, 95 lines checked

Your patch has style problems, please review.  If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.

Checking PATCH 4/8: virtio: add detach element for packed ring(1.1)...
Checking PATCH 5/8: virtio: notification tweak for packed ring...
Checking PATCH 6/8: virtio: flush/push support for packed ring...
Checking PATCH 7/8: virtio: get avail bytes check for packed ring...
ERROR: braces {} are necessary for all arms of this statement
#125: FILE: hw/virtio/virtio.c:1056:
+        } while (desc.flags & VRING_DESC_F_NEXT);
[...]

total: 1 errors, 0 warnings, 154 lines checked

Your patch has style problems, please review.  If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.

Checking PATCH 8/8: virtio: queue pop support for packed ring...
=== OUTPUT END ===

Test command exited with code: 1


---
Email generated automatically by Patchew [http://patchew.org/].
Please send your feedback to patchew-devel@redhat.com

Re: [Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

[no-reply]

Hi,

This series failed build test on s390x host. Please find the details below.

Type: series
Message-id: 1522846444-31725-1-git-send-email-wexu@redhat.com
Subject: [Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

=== TEST SCRIPT BEGIN ===
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing to a commit that has the patches applied on top of "base"
# branch
set -e
echo "=== ENV ==="
env
echo "=== PACKAGES ==="
rpm -qa
echo "=== TEST BEGIN ==="
CC=$HOME/bin/cc
INSTALL=$PWD/install
BUILD=$PWD/build
echo -n "Using CC: "
realpath $CC
mkdir -p $BUILD $INSTALL
SRC=$PWD
cd $BUILD
$SRC/configure --cc=$CC --prefix=$INSTALL
make -j4
# XXX: we need reliable clean up
# make check -j4 V=1
make install
=== TEST SCRIPT END ===

Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
From https://github.com/patchew-project/qemu
   094b62cd9c..e5efa1f5f2  master     -> master
 * [new tag]               patchew/1522846444-31725-1-git-send-email-wexu@redhat.com -> patchew/1522846444-31725-1-git-send-email-wexu@redhat.com
 t [tag update]            patchew/20180319161556.16446-1-peter.maydell@linaro.org -> patchew/20180319161556.16446-1-peter.maydell@linaro.org
 t [tag update]            patchew/20180329113320.8053-1-cohuck@redhat.com -> patchew/20180329113320.8053-1-cohuck@redhat.com
 t [tag update]            patchew/20180404114709.45118-1-jiangshanlai@gmail.com -> patchew/20180404114709.45118-1-jiangshanlai@gmail.com
Switched to a new branch 'test'
a5ed4f9354 virtio: queue pop support for packed ring
eda38cccfc virtio: get avail bytes check for packed ring
d6b7b8f192 virtio: flush/push support for packed ring
2ae1f234dc virtio: notification tweak for packed ring
5c44b67629 virtio: add detach element for packed ring(1.1)
7bc7372e93 virtio: add empty check for packed ring
cf399da035 virtio: memory cache for packed ring
606ec5dc23 virtio: feature bit, data structure for packed ring

=== OUTPUT BEGIN ===
=== ENV ===
LANG=en_US.UTF-8
XDG_SESSION_ID=127404
USER=fam
PWD=/var/tmp/patchew-tester-tmp-p1bt4aee/src
HOME=/home/fam
SHELL=/bin/sh
SHLVL=2
PATCHEW=/home/fam/patchew/patchew-cli -s http://patchew.org --nodebug
LOGNAME=fam
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1012/bus
XDG_RUNTIME_DIR=/run/user/1012
PATH=/usr/bin:/bin
_=/usr/bin/env
=== PACKAGES ===
gpg-pubkey-873529b8-54e386ff
glibc-debuginfo-common-2.24-10.fc25.s390x
fedora-release-26-1.noarch
dejavu-sans-mono-fonts-2.35-4.fc26.noarch
xemacs-filesystem-21.5.34-22.20170124hgf412e9f093d4.fc26.noarch
bash-4.4.12-7.fc26.s390x
libSM-1.2.2-5.fc26.s390x
libmpc-1.0.2-6.fc26.s390x
libaio-0.3.110-7.fc26.s390x
libverto-0.2.6-7.fc26.s390x
perl-Scalar-List-Utils-1.48-1.fc26.s390x
iptables-libs-1.6.1-2.fc26.s390x
tcl-8.6.6-2.fc26.s390x
libxshmfence-1.2-4.fc26.s390x
expect-5.45-23.fc26.s390x
perl-Thread-Queue-3.12-1.fc26.noarch
perl-encoding-2.19-6.fc26.s390x
keyutils-1.5.10-1.fc26.s390x
gmp-devel-6.1.2-4.fc26.s390x
enchant-1.6.0-16.fc26.s390x
python-gobject-base-3.24.1-1.fc26.s390x
python3-enchant-1.6.10-1.fc26.noarch
python-lockfile-0.11.0-6.fc26.noarch
python2-pyparsing-2.1.10-3.fc26.noarch
python2-lxml-4.1.1-1.fc26.s390x
librados2-10.2.7-2.fc26.s390x
trousers-lib-0.3.13-7.fc26.s390x
libdatrie-0.2.9-4.fc26.s390x
libsoup-2.58.2-1.fc26.s390x
passwd-0.79-9.fc26.s390x
bind99-libs-9.9.10-3.P3.fc26.s390x
python3-rpm-4.13.0.2-1.fc26.s390x
systemd-233-7.fc26.s390x
virglrenderer-0.6.0-1.20170210git76b3da97b.fc26.s390x
s390utils-ziomon-1.36.1-3.fc26.s390x
s390utils-osasnmpd-1.36.1-3.fc26.s390x
libXrandr-1.5.1-2.fc26.s390x
libglvnd-glx-1.0.0-1.fc26.s390x
texlive-ifxetex-svn19685.0.5-33.fc26.2.noarch
texlive-psnfss-svn33946.9.2a-33.fc26.2.noarch
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net-snmp-5.7.3-27.fc26.s390x
mailx-12.5-25.fc26.s390x
mpfr-3.1.6-1.fc26.s390x
libzip-devel-1.3.0-1.fc26.s390x
hawkey-0.6.4-3.fc25.s390x
perl-srpm-macros-1-21.fc26.noarch
expat-2.2.4-1.fc26.s390x
chkconfig-1.10-1.fc26.s390x
findutils-4.6.0-12.fc26.s390x
mesa-libwayland-egl-17.2.4-2.fc26.s390x
procps-ng-3.3.10-13.fc26.s390x
mesa-libglapi-17.2.4-2.fc26.s390x
perl-Unicode-Normalize-1.25-366.fc26.s390x
perl-IO-Socket-IP-0.39-1.fc26.noarch
hunspell-en-US-0.20140811.1-6.fc26.noarch
libxcb-1.12-3.fc26.s390x
perl-Pod-Escapes-1.07-366.fc26.noarch
perl-Pod-Usage-1.69-2.fc26.noarch
libtheora-1.1.1-15.fc26.s390x
tcp_wrappers-7.6-85.fc26.s390x
coreutils-8.27-7.fc26.s390x
libmount-2.30.2-1.fc26.s390x
python2-iniparse-0.4-24.fc26.noarch
python2-decorator-4.0.11-2.fc26.noarch
ModemManager-glib-1.6.10-1.fc26.s390x
python3-decorator-4.0.11-2.fc26.noarch
python3-cffi-1.9.1-2.fc26.s390x
python-bugzilla-cli-2.1.0-1.fc26.noarch
python2-funcsigs-1.0.2-5.fc26.noarch
python2-babel-2.3.4-5.fc26.noarch
python-bugzilla-2.1.0-1.fc26.noarch
libradosstriper1-10.2.7-2.fc26.s390x
snappy-1.1.4-3.fc26.s390x
libmpcdec-1.2.6-17.fc26.s390x
rpm-libs-4.13.0.2-1.fc26.s390x
python-urlgrabber-3.10.1-11.fc26.noarch
sysfsutils-2.1.0-20.fc26.s390x
python3-hawkey-0.11.1-1.fc26.s390x
iputils-20161105-5.fc26.s390x
plymouth-scripts-0.9.3-0.7.20160620git0e65b86c.fc26.s390x
cronie-1.5.1-5.fc26.s390x
libini_config-1.3.1-34.fc26.s390x
libX11-1.6.5-2.fc26.s390x
libglvnd-egl-1.0.0-1.fc26.s390x
texlive-kpathsea-svn41139-33.fc26.2.noarch
texlive-thumbpdf-bin-svn6898.0-33.20160520.fc26.2.noarch
texlive-subfig-svn15878.1.3-33.fc26.2.noarch
texlive-gsftopk-bin-svn40473-33.20160520.fc26.2.s390x
texlive-tex-ini-files-svn40533-33.fc26.2.noarch
texlive-qstest-svn15878.0-33.fc26.2.noarch
texlive-palatino-svn31835.0-33.fc26.2.noarch
texlive-ec-svn25033.1.0-33.fc26.2.noarch
texlive-iftex-svn29654.0.2-33.fc26.2.noarch
texlive-pslatex-svn16416.0-33.fc26.2.noarch
texlive-algorithms-svn38085.0.1-33.fc26.2.noarch
texlive-filehook-svn24280.0.5d-33.fc26.2.noarch
texlive-pst-node-svn40743-33.fc26.2.noarch
texlive-rotating-svn16832.2.16b-33.fc26.2.noarch
texlive-seminar-svn34011.1.62-33.fc26.2.noarch
libuuid-devel-2.30.2-1.fc26.s390x
libXinerama-devel-1.1.3-7.fc26.s390x
emacs-common-25.3-3.fc26.s390x
fedora-packager-0.6.0.1-2.fc26.noarch
snappy-devel-1.1.4-3.fc26.s390x
authconfig-7.0.1-2.fc26.s390x
newt-python3-0.52.20-1.fc26.s390x
python-decoratortools-1.8-13.fc26.noarch
python-systemd-doc-234-1.fc26.s390x
openssl-libs-1.1.0g-1.fc26.s390x
lsof-4.89-5.fc26.s390x
glibc-all-langpacks-2.25-13.fc26.s390x
audit-libs-2.8.2-1.fc26.s390x
gcc-7.3.1-2.fc26.s390x
pcre2-utf16-10.23-13.fc26.s390x
kernel-core-4.15.4-200.fc26.s390x
dracut-config-rescue-046-8.git20180105.fc26.s390x
webkitgtk4-plugin-process-gtk2-2.18.6-1.fc26.s390x
perl-Time-HiRes-1.9753-1.fc26.s390x
haveged-1.9.1-6.fc26.s390x
p11-kit-0.23.10-1.fc26.s390x
boost-system-1.63.0-11.fc26.s390x
glusterfs-fuse-3.10.11-1.fc26.s390x
vim-common-8.0.1553-1.fc26.s390x
systemtap-devel-3.2-7.fc26.s390x
perl-SelfLoader-1.23-396.fc26.noarch
nss-tools-3.36.0-1.0.fc26.s390x
libwebp-0.6.1-8.fc26.s390x
python3-configargparse-0.12.0-1.fc26.noarch
gpg-pubkey-a0a7badb-52844296
gpg-pubkey-e372e838-56fd7943
gpg-pubkey-3b921d09-57a87096
google-roboto-slab-fonts-1.100263-0.5.20150923git.fc26.noarch
libreport-filesystem-2.9.1-3.fc26.s390x
libcom_err-1.43.4-2.fc26.s390x
libffi-3.1-12.fc26.s390x
keyutils-libs-1.5.10-1.fc26.s390x
diffutils-3.5-3.fc26.s390x
apr-util-1.5.4-6.fc26.s390x
bluez-libs-5.46-6.fc26.s390x
libksba-1.3.5-3.fc26.s390x
ncurses-6.0-8.20170212.fc26.s390x
libteam-1.27-1.fc26.s390x
perl-Fedora-VSP-0.001-5.fc26.noarch
libusb-0.1.5-8.fc26.s390x
acl-2.2.52-15.fc26.s390x
dwz-0.12-3.fc26.s390x
libblkid-2.30.2-1.fc26.s390x
polkit-libs-0.113-8.fc26.s390x
dbus-python-1.2.4-6.fc26.s390x
gts-0.7.6-30.20121130.fc26.s390x
libfdisk-2.30.2-1.fc26.s390x
python3-pycparser-2.14-10.fc26.noarch
python3-bugzilla-2.1.0-1.fc26.noarch
python2-docutils-0.13.1-4.fc26.noarch
python2-requests-2.13.0-1.fc26.noarch
libcephfs-devel-10.2.7-2.fc26.s390x
ncurses-c++-libs-6.0-8.20170212.fc26.s390x
GeoIP-1.6.11-1.fc26.s390x
liblockfile-1.09-5.fc26.s390x
rpm-plugin-selinux-4.13.0.2-1.fc26.s390x
libsysfs-2.1.0-20.fc26.s390x
libdnf-0.11.1-1.fc26.s390x
mesa-libgbm-17.2.4-2.fc26.s390x
lvm2-libs-2.02.168-6.fc26.s390x
libXfixes-5.0.3-2.fc26.s390x
brlapi-0.6.6-5.fc26.s390x
texlive-metafont-svn40793-33.fc26.2.noarch
texlive-graphics-cfg-svn40269-33.fc26.2.noarch
texlive-mptopdf-svn41282-33.fc26.2.noarch
texlive-makeindex-bin-svn40473-33.20160520.fc26.2.s390x
texlive-texlive-scripts-bin-svn29741.0-33.20160520.fc26.2.noarch
texlive-sauerj-svn15878.0-33.fc26.2.noarch
texlive-txfonts-svn15878.0-33.fc26.2.noarch
texlive-filecontents-svn24250.1.3-33.fc26.2.noarch
texlive-lualibs-svn40370-33.fc26.2.noarch
texlive-section-svn20180.0-33.fc26.2.noarch
texlive-ucharcat-svn38907-33.fc26.2.noarch
texlive-hyperref-svn41396-33.fc26.2.noarch
texlive-pst-3d-svn17257.1.10-33.fc26.2.noarch
texlive-oberdiek-svn41346-33.fc26.2.noarch
texlive-ae-svn15878.1.4-33.fc26.2.noarch
texlive-collection-basic-svn41149-33.20160520.fc26.2.noarch
gnat-srpm-macros-4-2.fc26.noarch
glib2-devel-2.52.3-2.fc26.s390x
netpbm-progs-10.80.00-2.fc26.s390x
libXxf86vm-devel-1.1.4-4.fc26.s390x
nettle-devel-3.3-2.fc26.s390x
cairo-gobject-devel-1.14.10-1.fc26.s390x
fedora-rpm-macros-26-2.fc26.noarch
libidn-devel-1.33-2.fc26.s390x
s390utils-1.36.1-3.fc26.s390x
libtool-2.4.6-17.fc26.s390x
python3-cssselect-0.9.2-4.fc26.noarch
python2-cssselect-0.9.2-4.fc26.noarch
bison-3.0.4-6.fc26.s390x
rootfiles-8.1-20.fc26.noarch
python3-urllib3-1.20-2.fc26.noarch
libgcc-7.3.1-2.fc26.s390x
python3-distro-1.2.0-1.fc26.noarch
libnfsidmap-2.2.1-4.rc2.fc26.s390x
kernel-4.15.4-200.fc26.s390x
glibc-static-2.25-13.fc26.s390x
xapian-core-libs-1.4.5-1.fc26.s390x
elfutils-libelf-0.170-4.fc26.s390x
nss-3.36.0-1.0.fc26.s390x
nss-softokn-freebl-devel-3.36.0-1.0.fc26.s390x
koji-1.15.0-4.fc26.noarch
perl-Git-2.13.6-3.fc26.noarch
elfutils-default-yama-scope-0.170-4.fc26.noarch
selinux-policy-targeted-3.13.1-260.20.fc26.noarch
curl-7.53.1-16.fc26.s390x
publicsuffix-list-dafsa-20180223-1.fc26.noarch
python3-funcsigs-1.0.2-5.fc26.noarch
=== TEST BEGIN ===
Using CC: /home/fam/bin/cc
Install prefix    /var/tmp/patchew-tester-tmp-p1bt4aee/src/install
BIOS directory    /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/share/qemu
firmware path     /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/share/qemu-firmware
binary directory  /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/bin
library directory /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/lib
module directory  /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/lib/qemu
libexec directory /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/libexec
include directory /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/include
config directory  /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/etc
local state directory   /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/var
Manual directory  /var/tmp/patchew-tester-tmp-p1bt4aee/src/install/share/man
ELF interp prefix /usr/gnemul/qemu-%M
Source path       /var/tmp/patchew-tester-tmp-p1bt4aee/src
GIT binary        git
GIT submodules    ui/keycodemapdb capstone
C compiler        /home/fam/bin/cc
Host C compiler   cc
C++ compiler      c++
Objective-C compiler /home/fam/bin/cc
ARFLAGS           rv
CFLAGS            -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g 
QEMU_CFLAGS       -I/usr/include/pixman-1   -Werror -DHAS_LIBSSH2_SFTP_FSYNC -pthread -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include  -m64 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv  -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -I/usr/include/p11-kit-1     -I/usr/include/libpng16  -I/usr/include/libdrm  -I$(SRC_PATH)/capstone/include
LDFLAGS           -Wl,--warn-common -m64 -g 
make              make
install           install
python            python -B
smbd              /usr/sbin/smbd
module support    no
host CPU          s390x
host big endian   yes
target list       aarch64-softmmu alpha-softmmu arm-softmmu cris-softmmu hppa-softmmu i386-softmmu lm32-softmmu m68k-softmmu microblazeel-softmmu microblaze-softmmu mips64el-softmmu mips64-softmmu mipsel-softmmu mips-softmmu moxie-softmmu nios2-softmmu or1k-softmmu ppc64-softmmu ppcemb-softmmu ppc-softmmu riscv32-softmmu riscv64-softmmu s390x-softmmu sh4eb-softmmu sh4-softmmu sparc64-softmmu sparc-softmmu tricore-softmmu unicore32-softmmu x86_64-softmmu xtensaeb-softmmu xtensa-softmmu aarch64_be-linux-user aarch64-linux-user alpha-linux-user armeb-linux-user arm-linux-user cris-linux-user hppa-linux-user i386-linux-user m68k-linux-user microblazeel-linux-user microblaze-linux-user mips64el-linux-user mips64-linux-user mipsel-linux-user mips-linux-user mipsn32el-linux-user mipsn32-linux-user nios2-linux-user or1k-linux-user ppc64abi32-linux-user ppc64le-linux-user ppc64-linux-user ppc-linux-user riscv32-linux-user riscv64-linux-user s390x-linux-user sh4eb-linux-user sh4-linux-user sparc32plus-linux-user sparc64-linux-user sparc-linux-user tilegx-linux-user x86_64-linux-user xtensaeb-linux-user xtensa-linux-user
gprof enabled     no
sparse enabled    no
strip binaries    yes
profiler          no
static build      no
SDL support       yes (2.0.7)
GTK support       yes (3.22.21)
GTK GL support    yes
VTE support       yes (0.48.4)
TLS priority      NORMAL
GNUTLS support    yes
GNUTLS rnd        yes
libgcrypt         no
libgcrypt kdf     no
nettle            yes (3.3)
nettle kdf        yes
libtasn1          yes
curses support    yes
virgl support     yes
curl support      yes
mingw32 support   no
Audio drivers     oss
Block whitelist (rw) 
Block whitelist (ro) 
VirtFS support    yes
Multipath support no
VNC support       yes
VNC SASL support  yes
VNC JPEG support  yes
VNC PNG support   yes
xen support       no
brlapi support    yes
bluez  support    yes
Documentation     yes
PIE               no
vde support       no
netmap support    no
Linux AIO support yes
ATTR/XATTR support yes
Install blobs     yes
KVM support       yes
HAX support       no
HVF support       no
WHPX support      no
TCG support       yes
TCG debug enabled no
TCG interpreter   no
malloc trim support yes
RDMA support      no
fdt support       yes
membarrier        no
preadv support    yes
fdatasync         yes
madvise           yes
posix_madvise     yes
posix_memalign    yes
libcap-ng support yes
vhost-net support yes
vhost-crypto support yes
vhost-scsi support yes
vhost-vsock support yes
vhost-user support yes
Trace backends    log
spice support     no 
rbd support       yes
xfsctl support    no
smartcard support yes
libusb            yes
usb net redir     yes
OpenGL support    yes
OpenGL dmabufs    yes
libiscsi support  yes
libnfs support    yes
build guest agent yes
QGA VSS support   no
QGA w32 disk info no
QGA MSI support   no
seccomp support   yes
coroutine backend ucontext
coroutine pool    yes
debug stack usage no
crypto afalg      no
GlusterFS support yes
gcov              gcov
gcov enabled      no
TPM support       yes
libssh2 support   yes
TPM passthrough   no
TPM emulator      yes
QOM debugging     yes
Live block migration yes
lzo support       yes
snappy support    yes
bzip2 support     yes
NUMA host support no
libxml2           yes
tcmalloc support  no
jemalloc support  no
avx2 optimization no
replication support yes
VxHS block device no
capstone          git
  GEN     aarch64-softmmu/config-devices.mak.tmp
  GEN     alpha-softmmu/config-devices.mak.tmp
  GEN     arm-softmmu/config-devices.mak.tmp
  GEN     cris-softmmu/config-devices.mak.tmp
  GEN     cris-softmmu/config-devices.mak
  GEN     hppa-softmmu/config-devices.mak.tmp
  GEN     alpha-softmmu/config-devices.mak
  GEN     arm-softmmu/config-devices.mak
  GEN     i386-softmmu/config-devices.mak.tmp
  GEN     lm32-softmmu/config-devices.mak.tmp
  GEN     aarch64-softmmu/config-devices.mak
  GEN     m68k-softmmu/config-devices.mak.tmp
  GEN     hppa-softmmu/config-devices.mak
  GEN     lm32-softmmu/config-devices.mak
  GEN     microblazeel-softmmu/config-devices.mak.tmp
  GEN     m68k-softmmu/config-devices.mak
  GEN     microblaze-softmmu/config-devices.mak.tmp
  GEN     i386-softmmu/config-devices.mak
  GEN     mips64el-softmmu/config-devices.mak.tmp
  GEN     mips64-softmmu/config-devices.mak.tmp
  GEN     microblaze-softmmu/config-devices.mak
  GEN     microblazeel-softmmu/config-devices.mak
  GEN     mipsel-softmmu/config-devices.mak.tmp
  GEN     mips-softmmu/config-devices.mak.tmp
  GEN     mips64el-softmmu/config-devices.mak
  GEN     mips64-softmmu/config-devices.mak
  GEN     moxie-softmmu/config-devices.mak.tmp
  GEN     nios2-softmmu/config-devices.mak.tmp
  GEN     mipsel-softmmu/config-devices.mak
  GEN     or1k-softmmu/config-devices.mak.tmp
  GEN     moxie-softmmu/config-devices.mak
  GEN     nios2-softmmu/config-devices.mak
  GEN     ppc64-softmmu/config-devices.mak.tmp
  GEN     mips-softmmu/config-devices.mak
  GEN     ppcemb-softmmu/config-devices.mak.tmp
  GEN     ppc-softmmu/config-devices.mak.tmp
  GEN     or1k-softmmu/config-devices.mak
  GEN     riscv32-softmmu/config-devices.mak.tmp
  GEN     riscv32-softmmu/config-devices.mak
  GEN     ppc64-softmmu/config-devices.mak
  GEN     ppc-softmmu/config-devices.mak
  GEN     riscv64-softmmu/config-devices.mak.tmp
  GEN     ppcemb-softmmu/config-devices.mak
  GEN     s390x-softmmu/config-devices.mak.tmp
  GEN     sh4eb-softmmu/config-devices.mak.tmp
  GEN     sh4-softmmu/config-devices.mak.tmp
  GEN     riscv64-softmmu/config-devices.mak
  GEN     s390x-softmmu/config-devices.mak
  GEN     sparc64-softmmu/config-devices.mak.tmp
  GEN     sparc-softmmu/config-devices.mak.tmp
  GEN     sh4eb-softmmu/config-devices.mak
  GEN     tricore-softmmu/config-devices.mak.tmp
  GEN     sh4-softmmu/config-devices.mak
  GEN     sparc64-softmmu/config-devices.mak
  GEN     unicore32-softmmu/config-devices.mak.tmp
  GEN     tricore-softmmu/config-devices.mak
  GEN     x86_64-softmmu/config-devices.mak.tmp
  GEN     sparc-softmmu/config-devices.mak
  GEN     xtensaeb-softmmu/config-devices.mak.tmp
  GEN     xtensa-softmmu/config-devices.mak.tmp
  GEN     unicore32-softmmu/config-devices.mak
  GEN     xtensaeb-softmmu/config-devices.mak
  GEN     xtensa-softmmu/config-devices.mak
  GEN     aarch64_be-linux-user/config-devices.mak.tmp
  GEN     x86_64-softmmu/config-devices.mak
  GEN     alpha-linux-user/config-devices.mak.tmp
  GEN     aarch64-linux-user/config-devices.mak.tmp
  GEN     armeb-linux-user/config-devices.mak.tmp
  GEN     aarch64-linux-user/config-devices.mak
  GEN     aarch64_be-linux-user/config-devices.mak
  GEN     alpha-linux-user/config-devices.mak
  GEN     armeb-linux-user/config-devices.mak
  GEN     arm-linux-user/config-devices.mak.tmp
  GEN     cris-linux-user/config-devices.mak.tmp
  GEN     hppa-linux-user/config-devices.mak.tmp
  GEN     i386-linux-user/config-devices.mak.tmp
  GEN     arm-linux-user/config-devices.mak
  GEN     cris-linux-user/config-devices.mak
  GEN     hppa-linux-user/config-devices.mak
  GEN     m68k-linux-user/config-devices.mak.tmp
  GEN     microblazeel-linux-user/config-devices.mak.tmp
  GEN     microblaze-linux-user/config-devices.mak.tmp
  GEN     i386-linux-user/config-devices.mak
  GEN     mips64el-linux-user/config-devices.mak.tmp
  GEN     microblaze-linux-user/config-devices.mak
  GEN     microblazeel-linux-user/config-devices.mak
  GEN     m68k-linux-user/config-devices.mak
  GEN     mips64-linux-user/config-devices.mak.tmp
  GEN     mipsel-linux-user/config-devices.mak.tmp
  GEN     mips64el-linux-user/config-devices.mak
  GEN     mips-linux-user/config-devices.mak.tmp
  GEN     mipsn32el-linux-user/config-devices.mak.tmp
  GEN     mips64-linux-user/config-devices.mak
  GEN     mips-linux-user/config-devices.mak
  GEN     mipsel-linux-user/config-devices.mak
  GEN     mipsn32-linux-user/config-devices.mak.tmp
  GEN     nios2-linux-user/config-devices.mak.tmp
  GEN     mipsn32el-linux-user/config-devices.mak
  GEN     or1k-linux-user/config-devices.mak.tmp
  GEN     ppc64abi32-linux-user/config-devices.mak.tmp
  GEN     or1k-linux-user/config-devices.mak
  GEN     mipsn32-linux-user/config-devices.mak
  GEN     nios2-linux-user/config-devices.mak
  GEN     ppc64le-linux-user/config-devices.mak.tmp
  GEN     ppc64-linux-user/config-devices.mak.tmp
  GEN     ppc-linux-user/config-devices.mak.tmp
  GEN     ppc64abi32-linux-user/config-devices.mak
  GEN     riscv32-linux-user/config-devices.mak.tmp
  GEN     ppc64le-linux-user/config-devices.mak
  GEN     ppc-linux-user/config-devices.mak
  GEN     ppc64-linux-user/config-devices.mak
  GEN     riscv64-linux-user/config-devices.mak.tmp
  GEN     riscv32-linux-user/config-devices.mak
  GEN     s390x-linux-user/config-devices.mak.tmp
  GEN     sh4eb-linux-user/config-devices.mak.tmp
  GEN     sh4-linux-user/config-devices.mak.tmp
  GEN     riscv64-linux-user/config-devices.mak
  GEN     s390x-linux-user/config-devices.mak
  GEN     sh4eb-linux-user/config-devices.mak
  GEN     sh4-linux-user/config-devices.mak
  GEN     sparc64-linux-user/config-devices.mak.tmp
  GEN     sparc32plus-linux-user/config-devices.mak.tmp
  GEN     sparc-linux-user/config-devices.mak.tmp
  GEN     tilegx-linux-user/config-devices.mak.tmp
  GEN     sparc64-linux-user/config-devices.mak
  GEN     sparc32plus-linux-user/config-devices.mak
  GEN     sparc-linux-user/config-devices.mak
  GEN     tilegx-linux-user/config-devices.mak
  GEN     x86_64-linux-user/config-devices.mak.tmp
  GEN     xtensaeb-linux-user/config-devices.mak.tmp
  GEN     xtensa-linux-user/config-devices.mak.tmp
  GEN     xtensaeb-linux-user/config-devices.mak
  GEN     xtensa-linux-user/config-devices.mak
  GEN     x86_64-linux-user/config-devices.mak
  GEN     config-host.h
  GIT     ui/keycodemapdb capstone
  GEN     qemu-options.def
  GEN     qapi-gen
  GEN     trace/generated-tcg-tracers.h
  GEN     trace/generated-helpers-wrappers.h
  GEN     trace/generated-helpers.h
  GEN     trace/generated-helpers.c
  GEN     module_block.h
  GEN     tests/test-qapi-gen
  GEN     trace-root.h
  GEN     util/trace.h
  GEN     crypto/trace.h
  GEN     io/trace.h
  GEN     migration/trace.h
  GEN     block/trace.h
  GEN     chardev/trace.h
  GEN     hw/block/trace.h
  GEN     hw/block/dataplane/trace.h
  GEN     hw/char/trace.h
  GEN     hw/intc/trace.h
  GEN     hw/net/trace.h
  GEN     hw/rdma/trace.h
  GEN     hw/rdma/vmw/trace.h
Submodule 'capstone' (git://git.qemu.org/capstone.git) registered for path 'capstone'
Submodule 'ui/keycodemapdb' (git://git.qemu.org/keycodemapdb.git) registered for path 'ui/keycodemapdb'
  GEN     hw/virtio/trace.h
Cloning into '/var/tmp/patchew-tester-tmp-p1bt4aee/src/capstone'...
  GEN     hw/audio/trace.h
  GEN     hw/misc/trace.h
  GEN     hw/misc/macio/trace.h
  GEN     hw/usb/trace.h
  GEN     hw/scsi/trace.h
  GEN     hw/nvram/trace.h
  GEN     hw/display/trace.h
  GEN     hw/input/trace.h
  GEN     hw/timer/trace.h
  GEN     hw/dma/trace.h
  GEN     hw/sparc/trace.h
  GEN     hw/sparc64/trace.h
  GEN     hw/sd/trace.h
  GEN     hw/isa/trace.h
  GEN     hw/mem/trace.h
  GEN     hw/i386/trace.h
  GEN     hw/i386/xen/trace.h
  GEN     hw/9pfs/trace.h
  GEN     hw/ppc/trace.h
  GEN     hw/pci/trace.h
  GEN     hw/pci-host/trace.h
  GEN     hw/s390x/trace.h
  GEN     hw/vfio/trace.h
  GEN     hw/acpi/trace.h
  GEN     hw/arm/trace.h
  GEN     hw/alpha/trace.h
  GEN     hw/hppa/trace.h
  GEN     hw/xen/trace.h
  GEN     hw/ide/trace.h
  GEN     hw/tpm/trace.h
  GEN     ui/trace.h
  GEN     audio/trace.h
  GEN     net/trace.h
  GEN     target/arm/trace.h
  GEN     target/i386/trace.h
  GEN     target/mips/trace.h
  GEN     target/sparc/trace.h
  GEN     target/s390x/trace.h
  GEN     target/ppc/trace.h
  GEN     qom/trace.h
  GEN     linux-user/trace.h
  GEN     qapi/trace.h
  GEN     accel/tcg/trace.h
  GEN     accel/kvm/trace.h
  GEN     nbd/trace.h
  GEN     scsi/trace.h
  GEN     trace-root.c
  GEN     util/trace.c
  GEN     crypto/trace.c
  GEN     io/trace.c
  GEN     migration/trace.c
  GEN     block/trace.c
  GEN     chardev/trace.c
  GEN     hw/block/trace.c
  GEN     hw/block/dataplane/trace.c
  GEN     hw/char/trace.c
  GEN     hw/intc/trace.c
  GEN     hw/net/trace.c
  GEN     hw/rdma/trace.c
  GEN     hw/rdma/vmw/trace.c
  GEN     hw/virtio/trace.c
  GEN     hw/audio/trace.c
  GEN     hw/misc/trace.c
  GEN     hw/misc/macio/trace.c
  GEN     hw/usb/trace.c
  GEN     hw/scsi/trace.c
  GEN     hw/nvram/trace.c
  GEN     hw/display/trace.c
  GEN     hw/input/trace.c
  GEN     hw/timer/trace.c
  GEN     hw/dma/trace.c
  GEN     hw/sparc/trace.c
  GEN     hw/sparc64/trace.c
  GEN     hw/sd/trace.c
  GEN     hw/isa/trace.c
  GEN     hw/mem/trace.c
  GEN     hw/i386/trace.c
  GEN     hw/i386/xen/trace.c
  GEN     hw/9pfs/trace.c
  GEN     hw/ppc/trace.c
  GEN     hw/pci/trace.c
  GEN     hw/pci-host/trace.c
  GEN     hw/s390x/trace.c
  GEN     hw/vfio/trace.c
  GEN     hw/acpi/trace.c
  GEN     hw/arm/trace.c
  GEN     hw/alpha/trace.c
  GEN     hw/hppa/trace.c
  GEN     hw/xen/trace.c
  GEN     hw/ide/trace.c
  GEN     hw/tpm/trace.c
  GEN     ui/trace.c
  GEN     audio/trace.c
  GEN     net/trace.c
  GEN     target/arm/trace.c
  GEN     target/i386/trace.c
  GEN     target/mips/trace.c
  GEN     target/sparc/trace.c
  GEN     target/s390x/trace.c
  GEN     target/ppc/trace.c
  GEN     qom/trace.c
  GEN     linux-user/trace.c
  GEN     qapi/trace.c
  GEN     accel/tcg/trace.c
  GEN     accel/kvm/trace.c
  GEN     nbd/trace.c
  GEN     scsi/trace.c
  GEN     config-all-devices.mak
Cloning into '/var/tmp/patchew-tester-tmp-p1bt4aee/src/ui/keycodemapdb'...
  GEN     ui/input-keymap-atset1-to-qcode.c
  GEN     ui/input-keymap-linux-to-qcode.c
  GEN     ui/input-keymap-qcode-to-atset1.c
  GEN     ui/input-keymap-qcode-to-atset2.c
  GEN     ui/input-keymap-qcode-to-atset3.c
  GEN     ui/input-keymap-qcode-to-linux.c
  GEN     ui/input-keymap-qcode-to-qnum.c
  GEN     ui/input-keymap-qcode-to-sun.c
  GEN     ui/input-keymap-qnum-to-qcode.c
  CC      cs.o
  GEN     ui/input-keymap-usb-to-qcode.c
  GEN     ui/input-keymap-win32-to-qcode.c
  GEN     ui/input-keymap-x11-to-qcode.c
  GEN     ui/input-keymap-xorgevdev-to-qcode.c
  GEN     ui/input-keymap-xorgkbd-to-qcode.c
  GEN     ui/input-keymap-xorgxquartz-to-qcode.c
  GEN     ui/input-keymap-xorgxwin-to-qcode.c
  CC      utils.o
  CC      SStream.o
  CC      MCInstrDesc.o
  CC      MCRegisterInfo.o
  CC      arch/ARM/ARMDisassembler.o
  CC      arch/ARM/ARMInstPrinter.o
  CC      arch/ARM/ARMMapping.o
  CC      arch/ARM/ARMModule.o
  CC      arch/AArch64/AArch64BaseInfo.o
  CC      arch/AArch64/AArch64Disassembler.o
  CC      arch/AArch64/AArch64InstPrinter.o
  CC      arch/AArch64/AArch64Mapping.o
  CC      arch/AArch64/AArch64Module.o
  CC      arch/Mips/MipsDisassembler.o
  CC      arch/Mips/MipsInstPrinter.o
  CC      arch/Mips/MipsMapping.o
  CC      arch/Mips/MipsModule.o
  CC      arch/PowerPC/PPCDisassembler.o
  CC      arch/PowerPC/PPCInstPrinter.o
  CC      arch/PowerPC/PPCMapping.o
  CC      arch/PowerPC/PPCModule.o
  CC      arch/Sparc/SparcDisassembler.o
  CC      arch/Sparc/SparcInstPrinter.o
  CC      arch/Sparc/SparcMapping.o
  CC      arch/Sparc/SparcModule.o
  CC      arch/SystemZ/SystemZDisassembler.o
  CC      arch/SystemZ/SystemZInstPrinter.o
  CC      arch/SystemZ/SystemZMapping.o
  CC      arch/SystemZ/SystemZModule.o
  CC      arch/SystemZ/SystemZMCTargetDesc.o
  CC      arch/X86/X86DisassemblerDecoder.o
  CC      arch/X86/X86Disassembler.o
  CC      arch/X86/X86IntelInstPrinter.o
  CC      arch/X86/X86ATTInstPrinter.o
  CC      arch/X86/X86Mapping.o
  CC      arch/X86/X86Module.o
  CC      arch/XCore/XCoreDisassembler.o
  CC      arch/XCore/XCoreInstPrinter.o
  CC      arch/XCore/XCoreMapping.o
  CC      arch/XCore/XCoreModule.o
  CC      MCInst.o
  AR      libcapstone.a
ar: creating /var/tmp/patchew-tester-tmp-p1bt4aee/src/build/capstone/libcapstone.a
  GEN     docs/version.texi
  GEN     qemu-options.texi
  CC      tests/qemu-iotests/socket_scm_helper.o
  GEN     qemu-monitor.texi
  GEN     qemu-img-cmds.texi
  GEN     qemu-monitor-info.texi
  GEN     qemu-img.1
  GEN     qemu-nbd.8
  GEN     qemu-ga.8
  GEN     qga/qapi-generated/qapi-gen
  GEN     docs/qemu-block-drivers.7
  GEN     fsdev/virtfs-proxy-helper.1
  CC      qapi/qapi-builtin-types.o
  CC      qapi/qapi-types.o
  CC      qapi/qapi-types-block-core.o
  CC      qapi/qapi-types-block.o
  CC      qapi/qapi-types-char.o
  CC      qapi/qapi-types-common.o
  CC      qapi/qapi-types-crypto.o
  CC      qapi/qapi-types-introspect.o
  CC      qapi/qapi-types-migration.o
  CC      qapi/qapi-types-misc.o
  CC      qapi/qapi-types-net.o
  CC      qapi/qapi-types-rocker.o
  CC      qapi/qapi-types-run-state.o
  CC      qapi/qapi-types-sockets.o
  CC      qapi/qapi-types-tpm.o
  CC      qapi/qapi-types-trace.o
  CC      qapi/qapi-types-transaction.o
  CC      qapi/qapi-types-ui.o
  CC      qapi/qapi-builtin-visit.o
  CC      qapi/qapi-visit.o
  CC      qapi/qapi-visit-block-core.o
  CC      qapi/qapi-visit-block.o
  CC      qapi/qapi-visit-char.o
  CC      qapi/qapi-visit-common.o
  CC      qapi/qapi-visit-crypto.o
  CC      qapi/qapi-visit-introspect.o
  CC      qapi/qapi-visit-migration.o
  CC      qapi/qapi-visit-misc.o
  CC      qapi/qapi-visit-net.o
  CC      qapi/qapi-visit-rocker.o
  CC      qapi/qapi-visit-run-state.o
  CC      qapi/qapi-visit-sockets.o
  CC      qapi/qapi-visit-tpm.o
  CC      qapi/qapi-visit-trace.o
  CC      qapi/qapi-visit-transaction.o
  CC      qapi/qapi-visit-ui.o
  CC      qapi/qapi-events.o
  CC      qapi/qapi-events-block-core.o
  CC      qapi/qapi-events-block.o
  CC      qapi/qapi-events-char.o
  CC      qapi/qapi-events-common.o
  CC      qapi/qapi-events-crypto.o
  CC      qapi/qapi-events-introspect.o
  CC      qapi/qapi-events-migration.o
  CC      qapi/qapi-events-misc.o
  CC      qapi/qapi-events-net.o
  CC      qapi/qapi-events-rocker.o
  CC      qapi/qapi-events-run-state.o
  CC      qapi/qapi-events-sockets.o
  CC      qapi/qapi-events-tpm.o
  CC      qapi/qapi-events-trace.o
  CC      qapi/qapi-events-transaction.o
  CC      qapi/qapi-events-ui.o
  CC      qapi/qapi-introspect.o
  CC      qapi/qapi-visit-core.o
  CC      qapi/qapi-dealloc-visitor.o
  CC      qapi/qobject-input-visitor.o
  CC      qapi/qobject-output-visitor.o
  CC      qapi/qmp-registry.o
  CC      qapi/qmp-dispatch.o
  CC      qapi/string-input-visitor.o
  CC      qapi/string-output-visitor.o
  CC      qapi/opts-visitor.o
  CC      qapi/qapi-clone-visitor.o
  CC      qapi/qmp-event.o
  CC      qapi/qapi-util.o
  CC      qobject/qnull.o
  CC      qobject/qnum.o
  CC      qobject/qstring.o
  CC      qobject/qdict.o
  CC      qobject/qlist.o
  CC      qobject/qbool.o
  CC      qobject/qlit.o
  CC      qobject/qjson.o
  CC      qobject/qobject.o
  CC      qobject/json-lexer.o
  CC      qobject/json-streamer.o
  CC      qobject/json-parser.o
  CC      trace/control.o
  CC      trace/qmp.o
  CC      util/osdep.o
  CC      util/cutils.o
  CC      util/unicode.o
  CC      util/qemu-timer-common.o
  CC      util/bufferiszero.o
  CC      util/lockcnt.o
  CC      util/aiocb.o
  CC      util/async.o
  CC      util/aio-wait.o
  CC      util/thread-pool.o
  CC      util/qemu-timer.o
  CC      util/main-loop.o
  CC      util/iohandler.o
  CC      util/aio-posix.o
  CC      util/compatfd.o
  CC      util/event_notifier-posix.o
  CC      util/mmap-alloc.o
  CC      util/oslib-posix.o
  CC      util/qemu-openpty.o
  CC      util/qemu-thread-posix.o
  CC      util/memfd.o
  CC      util/envlist.o
  CC      util/path.o
  CC      util/module.o
  CC      util/host-utils.o
  CC      util/bitmap.o
  CC      util/bitops.o
  CC      util/hbitmap.o
  CC      util/fifo8.o
  CC      util/acl.o
  CC      util/cacheinfo.o
  CC      util/error.o
  CC      util/qemu-error.o
  CC      util/id.o
  CC      util/iov.o
  CC      util/qemu-config.o
  CC      util/qemu-sockets.o
  CC      util/uri.o
  CC      util/notify.o
  CC      util/qemu-option.o
  CC      util/qemu-progress.o
  CC      util/keyval.o
  CC      util/hexdump.o
  CC      util/crc32c.o
  CC      util/uuid.o
  CC      util/throttle.o
  CC      util/getauxval.o
  CC      util/readline.o
  CC      util/rcu.o
  CC      util/qemu-coroutine.o
  CC      util/qemu-coroutine-lock.o
  CC      util/qemu-coroutine-io.o
  CC      util/qemu-coroutine-sleep.o
  CC      util/coroutine-ucontext.o
  CC      util/buffer.o
  CC      util/timed-average.o
  CC      util/base64.o
  CC      util/log.o
  CC      util/pagesize.o
  CC      util/qdist.o
  CC      util/qht.o
  CC      util/range.o
  CC      util/stats64.o
  CC      util/systemd.o
  CC      util/vfio-helpers.o
  CC      trace-root.o
  CC      util/trace.o
  CC      crypto/trace.o
  CC      io/trace.o
  CC      migration/trace.o
  CC      block/trace.o
  CC      chardev/trace.o
  CC      hw/block/trace.o
  CC      hw/block/dataplane/trace.o
  CC      hw/char/trace.o
  CC      hw/intc/trace.o
  CC      hw/net/trace.o
  CC      hw/rdma/trace.o
  CC      hw/rdma/vmw/trace.o
  CC      hw/virtio/trace.o
  CC      hw/audio/trace.o
  CC      hw/misc/trace.o
  CC      hw/misc/macio/trace.o
  CC      hw/usb/trace.o
  CC      hw/scsi/trace.o
  CC      hw/nvram/trace.o
  CC      hw/display/trace.o
  CC      hw/input/trace.o
  CC      hw/timer/trace.o
  CC      hw/dma/trace.o
  CC      hw/sparc/trace.o
  CC      hw/sparc64/trace.o
  CC      hw/sd/trace.o
  CC      hw/isa/trace.o
  CC      hw/mem/trace.o
  CC      hw/i386/trace.o
  CC      hw/i386/xen/trace.o
  CC      hw/9pfs/trace.o
  CC      hw/ppc/trace.o
  CC      hw/pci/trace.o
  CC      hw/pci-host/trace.o
  CC      hw/s390x/trace.o
  CC      hw/vfio/trace.o
  CC      hw/acpi/trace.o
  CC      hw/arm/trace.o
  CC      hw/alpha/trace.o
  CC      hw/hppa/trace.o
  CC      hw/xen/trace.o
  CC      hw/ide/trace.o
  CC      hw/tpm/trace.o
  CC      ui/trace.o
  CC      audio/trace.o
  CC      net/trace.o
  CC      target/arm/trace.o
  CC      target/i386/trace.o
  CC      target/mips/trace.o
  CC      target/sparc/trace.o
  CC      target/s390x/trace.o
  CC      target/ppc/trace.o
  CC      qom/trace.o
  CC      linux-user/trace.o
  CC      qapi/trace.o
  CC      accel/tcg/trace.o
  CC      accel/kvm/trace.o
  CC      nbd/trace.o
  CC      scsi/trace.o
  CC      crypto/pbkdf-stub.o
  CC      stubs/arch-query-cpu-def.o
  CC      stubs/arch-query-cpu-model-expansion.o
  CC      stubs/arch-query-cpu-model-comparison.o
  CC      stubs/arch-query-cpu-model-baseline.o
  CC      stubs/bdrv-next-monitor-owned.o
  CC      stubs/blk-commit-all.o
  CC      stubs/blockdev-close-all-bdrv-states.o
  CC      stubs/clock-warp.o
  CC      stubs/cpu-get-clock.o
  CC      stubs/cpu-get-icount.o
  CC      stubs/dump.o
  CC      stubs/error-printf.o
  CC      stubs/fdset.o
  CC      stubs/gdbstub.o
  CC      stubs/get-vm-name.o
  CC      stubs/iothread.o
  CC      stubs/iothread-lock.o
  CC      stubs/is-daemonized.o
  CC      stubs/linux-aio.o
  CC      stubs/machine-init-done.o
  CC      stubs/migr-blocker.o
  CC      stubs/change-state-handler.o
  CC      stubs/monitor.o
  CC      stubs/notify-event.o
  CC      stubs/qtest.o
  CC      stubs/replay.o
  CC      stubs/runstate-check.o
  CC      stubs/set-fd-handler.o
  CC      stubs/slirp.o
  CC      stubs/sysbus.o
  CC      stubs/tpm.o
  CC      stubs/trace-control.o
  CC      stubs/uuid.o
  CC      stubs/vm-stop.o
  CC      stubs/vmstate.o
  CC      stubs/qmp_pc_dimm.o
  CC      stubs/target-monitor-defs.o
  CC      stubs/target-get-monitor-def.o
  CC      stubs/pc_madt_cpu_entry.o
  CC      stubs/vmgenid.o
  CC      stubs/xen-common.o
  CC      stubs/xen-hvm.o
  CC      stubs/pci-host-piix.o
  CC      stubs/ram-block.o
  CC      qemu-keymap.o
  CC      ui/input-keymap.o
  CC      contrib/ivshmem-client/ivshmem-client.o
  CC      contrib/ivshmem-client/main.o
  CC      contrib/ivshmem-server/ivshmem-server.o
  CC      contrib/ivshmem-server/main.o
  CC      qemu-nbd.o
  CC      block.o
  CC      blockjob.o
  CC      qemu-io-cmds.o
  CC      replication.o
  CC      block/raw-format.o
  CC      block/qcow.o
  CC      block/vdi.o
  CC      block/vmdk.o
  CC      block/cloop.o
  CC      block/bochs.o
  CC      block/vpc.o
  CC      block/vvfat.o
  CC      block/dmg.o
  CC      block/qcow2.o
  CC      block/qcow2-refcount.o
  CC      block/qcow2-cluster.o
  CC      block/qcow2-snapshot.o
  CC      block/qcow2-cache.o
  CC      block/qcow2-bitmap.o
  CC      block/qed.o
  CC      block/qed-l2-cache.o
  CC      block/qed-table.o
  CC      block/qed-cluster.o
  CC      block/qed-check.o
  CC      block/vhdx.o
  CC      block/vhdx-endian.o
  CC      block/vhdx-log.o
  CC      block/quorum.o
  CC      block/parallels.o
  CC      block/blkdebug.o
  CC      block/blkverify.o
  CC      block/blkreplay.o
  CC      block/block-backend.o
  CC      block/snapshot.o
  CC      block/qapi.o
  CC      block/file-posix.o
  CC      block/linux-aio.o
  CC      block/null.o
  CC      block/mirror.o
  CC      block/commit.o
  CC      block/io.o
  CC      block/create.o
  CC      block/throttle-groups.o
  CC      block/nvme.o
  CC      block/nbd.o
  CC      block/nbd-client.o
  CC      block/sheepdog.o
  CC      block/iscsi-opts.o
  CC      block/accounting.o
  CC      block/dirty-bitmap.o
  CC      block/write-threshold.o
  CC      block/backup.o
  CC      block/replication.o
  CC      block/throttle.o
  CC      block/crypto.o
  CC      nbd/server.o
  CC      nbd/client.o
  CC      nbd/common.o
  CC      scsi/utils.o
  CC      scsi/pr-manager.o
  CC      scsi/pr-manager-helper.o
  CC      block/iscsi.o
  CC      block/nfs.o
  CC      block/curl.o
  CC      block/rbd.o
  CC      block/gluster.o
  CC      block/dmg-bz2.o
  CC      block/ssh.o
  CC      crypto/init.o
  CC      crypto/hash.o
  CC      crypto/hash-nettle.o
  CC      crypto/hmac.o
  CC      crypto/hmac-nettle.o
  CC      crypto/aes.o
  CC      crypto/desrfb.o
  CC      crypto/cipher.o
  CC      crypto/tlscreds.o
  CC      crypto/tlscredsanon.o
  CC      crypto/tlscredsx509.o
  CC      crypto/tlssession.o
  CC      crypto/secret.o
  CC      crypto/random-gnutls.o
  CC      crypto/pbkdf.o
  CC      crypto/pbkdf-nettle.o
  CC      crypto/ivgen.o
  CC      crypto/ivgen-essiv.o
  CC      crypto/ivgen-plain.o
  CC      crypto/ivgen-plain64.o
  CC      crypto/afsplit.o
  CC      crypto/xts.o
  CC      crypto/block.o
  CC      crypto/block-qcow.o
  CC      crypto/block-luks.o
  CC      io/channel.o
  CC      io/channel-buffer.o
  CC      io/channel-command.o
  CC      io/channel-file.o
  CC      io/channel-socket.o
  CC      io/channel-tls.o
  CC      io/channel-watch.o
  CC      io/channel-websock.o
  CC      io/channel-util.o
  CC      io/dns-resolver.o
  CC      io/net-listener.o
  CC      io/task.o
  CC      qom/object.o
  CC      qom/container.o
  CC      qom/qom-qobject.o
  CC      qom/object_interfaces.o
  GEN     qemu-img-cmds.h
  CC      qemu-io.o
  CC      fsdev/virtfs-proxy-helper.o
  CC      fsdev/9p-marshal.o
  CC      fsdev/9p-iov-marshal.o
  CC      scsi/qemu-pr-helper.o
  CC      qemu-bridge-helper.o
  CC      blockdev.o
  CC      blockdev-nbd.o
  CC      bootdevice.o
  CC      iothread.o
  CC      qdev-monitor.o
  CC      device-hotplug.o
  CC      os-posix.o
  CC      bt-host.o
  CC      bt-vhci.o
  CC      dma-helpers.o
  CC      vl.o
  CC      tpm.o
  CC      qemu-seccomp.o
  CC      device_tree.o
  CC      qapi/qapi-commands.o
  CC      qapi/qapi-commands-block-core.o
  CC      qapi/qapi-commands-block.o
  CC      qapi/qapi-commands-char.o
  CC      qapi/qapi-commands-common.o
  CC      qapi/qapi-commands-crypto.o
  CC      qapi/qapi-commands-introspect.o
  CC      qapi/qapi-commands-migration.o
  CC      qapi/qapi-commands-misc.o
  CC      qapi/qapi-commands-net.o
  CC      qapi/qapi-commands-rocker.o
  CC      qapi/qapi-commands-run-state.o
  CC      qapi/qapi-commands-sockets.o
  CC      qapi/qapi-commands-tpm.o
  CC      qapi/qapi-commands-trace.o
  CC      qapi/qapi-commands-transaction.o
  CC      qapi/qapi-commands-ui.o
  CC      qmp.o
  CC      hmp.o
  CC      cpus-common.o
  CC      audio/audio.o
  CC      audio/noaudio.o
  CC      audio/wavaudio.o
  CC      audio/mixeng.o
  CC      audio/wavcapture.o
  CC      backends/rng.o
  CC      backends/rng-egd.o
  CC      backends/rng-random.o
  CC      backends/tpm.o
  CC      backends/hostmem.o
  CC      backends/hostmem-ram.o
  CC      backends/hostmem-file.o
  CC      backends/cryptodev.o
  CC      backends/cryptodev-builtin.o
  CC      backends/cryptodev-vhost-user.o
  CC      backends/cryptodev-vhost.o
  CC      backends/hostmem-memfd.o
  CC      block/stream.o
  CC      chardev/msmouse.o
  CC      chardev/wctablet.o
  CC      chardev/testdev.o
  CC      chardev/baum.o
  CC      disas/alpha.o
  CC      disas/arm.o
  CXX     disas/arm-a64.o
  CC      disas/cris.o
  CC      disas/hppa.o
  CC      disas/i386.o
  CC      disas/m68k.o
  CC      disas/microblaze.o
  CC      disas/mips.o
  CC      disas/nios2.o
  CC      disas/moxie.o
  CC      disas/ppc.o
  CC      disas/riscv.o
  CC      disas/s390.o
  CC      disas/sh4.o
  CC      disas/sparc.o
  CC      disas/lm32.o
  CC      disas/xtensa.o
  CXX     disas/libvixl/vixl/utils.o
  CXX     disas/libvixl/vixl/compiler-intrinsics.o
  CXX     disas/libvixl/vixl/a64/instructions-a64.o
  CXX     disas/libvixl/vixl/a64/decoder-a64.o
  CXX     disas/libvixl/vixl/a64/disasm-a64.o
  CC      fsdev/qemu-fsdev.o
  CC      fsdev/qemu-fsdev-opts.o
  CC      fsdev/qemu-fsdev-throttle.o
  CC      fsdev/qemu-fsdev-dummy.o
  CC      hw/9pfs/9p.o
  CC      hw/9pfs/9p-util.o
  CC      hw/9pfs/9p-local.o
  CC      hw/9pfs/9p-xattr.o
  CC      hw/9pfs/9p-xattr-user.o
  CC      hw/9pfs/9p-posix-acl.o
  CC      hw/9pfs/coth.o
  CC      hw/9pfs/cofs.o
  CC      hw/9pfs/codir.o
  CC      hw/9pfs/cofile.o
  CC      hw/9pfs/coxattr.o
  CC      hw/9pfs/9p-synth.o
  CC      hw/9pfs/9p-handle.o
  CC      hw/9pfs/9p-proxy.o
  CC      hw/acpi/core.o
  CC      hw/acpi/piix4.o
  CC      hw/acpi/pcihp.o
  CC      hw/acpi/ich9.o
  CC      hw/acpi/tco.o
  CC      hw/acpi/cpu_hotplug.o
  CC      hw/acpi/memory_hotplug.o
  CC      hw/acpi/cpu.o
  CC      hw/acpi/nvdimm.o
  CC      hw/acpi/vmgenid.o
  CC      hw/acpi/acpi_interface.o
  CC      hw/acpi/bios-linker-loader.o
  CC      hw/acpi/aml-build.o
  CC      hw/acpi/ipmi.o
  CC      hw/acpi/acpi-stub.o
  CC      hw/acpi/ipmi-stub.o
  CC      hw/audio/sb16.o
  CC      hw/audio/es1370.o
  CC      hw/audio/ac97.o
  CC      hw/audio/fmopl.o
  CC      hw/audio/adlib.o
  CC      hw/audio/gus.o
  CC      hw/audio/gusemu_hal.o
  CC      hw/audio/gusemu_mixer.o
  CC      hw/audio/cs4231a.o
  CC      hw/audio/intel-hda.o
  CC      hw/audio/hda-codec.o
  CC      hw/audio/pcspk.o
  CC      hw/audio/wm8750.o
  CC      hw/audio/pl041.o
  CC      hw/audio/lm4549.o
  CC      hw/audio/cs4231.o
  CC      hw/audio/marvell_88w8618.o
  CC      hw/audio/milkymist-ac97.o
  CC      hw/audio/soundhw.o
  CC      hw/block/block.o
  CC      hw/block/cdrom.o
  CC      hw/block/hd-geometry.o
  CC      hw/block/fdc.o
  CC      hw/block/m25p80.o
  CC      hw/block/nand.o
  CC      hw/block/pflash_cfi01.o
  CC      hw/block/pflash_cfi02.o
  CC      hw/block/ecc.o
  CC      hw/block/onenand.o
  CC      hw/block/nvme.o
  CC      hw/bt/core.o
  CC      hw/bt/l2cap.o
  CC      hw/bt/sdp.o
  CC      hw/bt/hci.o
  CC      hw/bt/hid.o
  CC      hw/bt/hci-csr.o
  CC      hw/char/ipoctal232.o
  CC      hw/char/escc.o
  CC      hw/char/parallel.o
  CC      hw/char/parallel-isa.o
  CC      hw/char/pl011.o
  CC      hw/char/serial.o
  CC      hw/char/serial-isa.o
  CC      hw/char/serial-pci.o
  CC      hw/char/virtio-console.o
  CC      hw/char/xilinx_uartlite.o
  CC      hw/char/cadence_uart.o
  CC      hw/char/cmsdk-apb-uart.o
  CC      hw/char/etraxfs_ser.o
  CC      hw/char/debugcon.o
  CC      hw/char/grlib_apbuart.o
  CC      hw/char/imx_serial.o
  CC      hw/char/lm32_juart.o
  CC      hw/char/lm32_uart.o
  CC      hw/char/milkymist-uart.o
  CC      hw/char/sclpconsole.o
  CC      hw/char/sclpconsole-lm.o
  CC      hw/core/qdev.o
  CC      hw/core/qdev-properties.o
  CC      hw/core/bus.o
  CC      hw/core/reset.o
  CC      hw/core/qdev-fw.o
  CC      hw/core/fw-path-provider.o
  CC      hw/core/irq.o
  CC      hw/core/hotplug.o
  CC      hw/core/nmi.o
  CC      hw/core/empty_slot.o
  CC      hw/core/stream.o
  CC      hw/core/ptimer.o
  CC      hw/core/sysbus.o
  CC      hw/core/machine.o
  CC      hw/core/loader.o
  CC      hw/core/loader-fit.o
  CC      hw/core/qdev-properties-system.o
  CC      hw/core/register.o
  CC      hw/core/or-irq.o
  CC      hw/core/split-irq.o
  CC      hw/core/platform-bus.o
  CC      hw/cpu/core.o
  CC      hw/display/ads7846.o
  CC      hw/display/cirrus_vga.o
  CC      hw/display/g364fb.o
  CC      hw/display/jazz_led.o
  CC      hw/display/pl110.o
  CC      hw/display/sii9022.o
  CC      hw/display/ssd0303.o
  CC      hw/display/ssd0323.o
  CC      hw/display/vga-pci.o
  CC      hw/display/vga-isa.o
  CC      hw/display/vga-isa-mm.o
  CC      hw/display/vmware_vga.o
  CC      hw/display/blizzard.o
  CC      hw/display/exynos4210_fimd.o
  CC      hw/display/framebuffer.o
  CC      hw/display/milkymist-vgafb.o
  CC      hw/display/tc6393xb.o
  CC      hw/display/milkymist-tmu2.o
  CC      hw/dma/puv3_dma.o
  CC      hw/dma/rc4030.o
  CC      hw/dma/pl080.o
  CC      hw/dma/pl330.o
  CC      hw/dma/i82374.o
  CC      hw/dma/i8257.o
  CC      hw/dma/xilinx_axidma.o
  CC      hw/dma/xlnx-zynq-devcfg.o
  CC      hw/dma/etraxfs_dma.o
  CC      hw/dma/sparc32_dma.o
  CC      hw/gpio/max7310.o
  CC      hw/gpio/pl061.o
  CC      hw/gpio/puv3_gpio.o
  CC      hw/gpio/zaurus.o
  CC      hw/gpio/mpc8xxx.o
  CC      hw/gpio/gpio_key.o
  CC      hw/i2c/core.o
  CC      hw/i2c/smbus.o
  CC      hw/i2c/smbus_eeprom.o
  CC      hw/i2c/i2c-ddc.o
  CC      hw/i2c/versatile_i2c.o
  CC      hw/i2c/smbus_ich9.o
  CC      hw/i2c/pm_smbus.o
  CC      hw/i2c/bitbang_i2c.o
  CC      hw/i2c/exynos4210_i2c.o
  CC      hw/i2c/imx_i2c.o
  CC      hw/i2c/aspeed_i2c.o
  CC      hw/ide/core.o
  CC      hw/ide/atapi.o
  CC      hw/ide/qdev.o
  CC      hw/ide/pci.o
  CC      hw/ide/isa.o
  CC      hw/ide/piix.o
  CC      hw/ide/cmd646.o
  CC      hw/ide/macio.o
  CC      hw/ide/mmio.o
  CC      hw/ide/via.o
  CC      hw/ide/microdrive.o
  CC      hw/ide/ahci.o
  CC      hw/ide/ich.o
  CC      hw/ide/ahci-allwinner.o
  CC      hw/ide/sii3112.o
  CC      hw/input/adb.o
  CC      hw/input/adb-mouse.o
  CC      hw/input/adb-kbd.o
  CC      hw/input/hid.o
  CC      hw/input/lm832x.o
  CC      hw/input/pckbd.o
  CC      hw/input/pl050.o
  CC      hw/input/ps2.o
  CC      hw/input/stellaris_input.o
  CC      hw/input/tsc2005.o
  CC      hw/input/virtio-input.o
  CC      hw/input/virtio-input-hid.o
  CC      hw/input/virtio-input-host.o
  CC      hw/intc/heathrow_pic.o
  CC      hw/intc/i8259_common.o
  CC      hw/intc/i8259.o
  CC      hw/intc/pl190.o
  CC      hw/intc/puv3_intc.o
  CC      hw/intc/xilinx_intc.o
  CC      hw/intc/xlnx-pmu-iomod-intc.o
  CC      hw/intc/xlnx-zynqmp-ipi.o
  CC      hw/intc/etraxfs_pic.o
  CC      hw/intc/imx_avic.o
  CC      hw/intc/imx_gpcv2.o
  CC      hw/intc/lm32_pic.o
  CC      hw/intc/realview_gic.o
  CC      hw/intc/slavio_intctl.o
  CC      hw/intc/ioapic_common.o
  CC      hw/intc/arm_gic_common.o
  CC      hw/intc/arm_gic.o
  CC      hw/intc/arm_gicv2m.o
  CC      hw/intc/arm_gicv3_common.o
  CC      hw/intc/arm_gicv3.o
  CC      hw/intc/arm_gicv3_dist.o
  CC      hw/intc/arm_gicv3_redist.o
  CC      hw/intc/arm_gicv3_its_common.o
  CC      hw/intc/openpic.o
  CC      hw/intc/intc.o
  CC      hw/ipack/ipack.o
  CC      hw/ipack/tpci200.o
  CC      hw/ipmi/ipmi.o
  CC      hw/ipmi/ipmi_bmc_sim.o
  CC      hw/ipmi/ipmi_bmc_extern.o
  CC      hw/ipmi/isa_ipmi_kcs.o
  CC      hw/ipmi/isa_ipmi_bt.o
  CC      hw/isa/isa-bus.o
  CC      hw/isa/isa-superio.o
  CC      hw/isa/smc37c669-superio.o
  CC      hw/isa/apm.o
  CC      hw/isa/i82378.o
  CC      hw/isa/pc87312.o
  CC      hw/isa/piix4.o
  CC      hw/isa/vt82c686.o
  CC      hw/mem/pc-dimm.o
  CC      hw/mem/nvdimm.o
  CC      hw/misc/applesmc.o
  CC      hw/misc/max111x.o
  CC      hw/misc/tmp105.o
  CC      hw/misc/tmp421.o
  CC      hw/misc/debugexit.o
  CC      hw/misc/sga.o
  CC      hw/misc/pc-testdev.o
  CC      hw/misc/pci-testdev.o
  CC      hw/misc/edu.o
  CC      hw/misc/unimp.o
  CC      hw/misc/vmcoreinfo.o
  CC      hw/misc/arm_l2x0.o
  CC      hw/misc/arm_integrator_debug.o
  CC      hw/misc/a9scu.o
  CC      hw/misc/arm11scu.o
  CC      hw/misc/mos6522.o
  CC      hw/misc/puv3_pm.o
  CC      hw/misc/macio/macio.o
  CC      hw/misc/macio/cuda.o
  CC      hw/misc/macio/mac_dbdma.o
  CC      hw/net/dp8393x.o
  CC      hw/net/ne2000.o
  CC      hw/net/eepro100.o
  CC      hw/net/pcnet-pci.o
  CC      hw/net/pcnet.o
  CC      hw/net/e1000.o
  CC      hw/net/e1000x_common.o
  CC      hw/net/net_tx_pkt.o
  CC      hw/net/net_rx_pkt.o
  CC      hw/net/e1000e.o
  CC      hw/net/e1000e_core.o
  CC      hw/net/rtl8139.o
  CC      hw/net/vmxnet3.o
  CC      hw/net/smc91c111.o
  CC      hw/net/lan9118.o
  CC      hw/net/ne2000-isa.o
  CC      hw/net/opencores_eth.o
  CC      hw/net/xgmac.o
  CC      hw/net/mipsnet.o
  CC      hw/net/xilinx_axienet.o
  CC      hw/net/allwinner_emac.o
  CC      hw/net/imx_fec.o
  CC      hw/net/cadence_gem.o
  CC      hw/net/stellaris_enet.o
  CC      hw/net/lance.o
  CC      hw/net/sunhme.o
  CC      hw/net/ftgmac100.o
  CC      hw/net/sungem.o
  CC      hw/net/rocker/rocker.o
  CC      hw/net/rocker/rocker_fp.o
  CC      hw/net/rocker/rocker_desc.o
  CC      hw/net/rocker/rocker_world.o
  CC      hw/net/rocker/rocker_of_dpa.o
  CC      hw/net/can/can_sja1000.o
  CC      hw/net/can/can_kvaser_pci.o
  CC      hw/net/can/can_pcm3680_pci.o
  CC      hw/net/can/can_mioe3680_pci.o
  CC      hw/nvram/ds1225y.o
  CC      hw/nvram/eeprom93xx.o
  CC      hw/nvram/eeprom_at24c.o
  CC      hw/nvram/fw_cfg.o
  CC      hw/nvram/chrp_nvram.o
  CC      hw/nvram/mac_nvram.o
  CC      hw/pci-bridge/pci_bridge_dev.o
  CC      hw/pci-bridge/pcie_root_port.o
  CC      hw/pci-bridge/gen_pcie_root_port.o
  CC      hw/pci-bridge/pcie_pci_bridge.o
  CC      hw/pci-bridge/pci_expander_bridge.o
  CC      hw/pci-bridge/xio3130_upstream.o
  CC      hw/pci-bridge/xio3130_downstream.o
  CC      hw/pci-bridge/ioh3420.o
  CC      hw/pci-bridge/i82801b11.o
  CC      hw/pci-bridge/dec.o
  CC      hw/pci-bridge/simba.o
  CC      hw/pci-host/pam.o
  CC      hw/pci-host/prep.o
  CC      hw/pci-host/grackle.o
  CC      hw/pci-host/uninorth.o
  CC      hw/pci-host/ppce500.o
  CC      hw/pci-host/versatile.o
  CC      hw/pci-host/sabre.o
  CC      hw/pci-host/bonito.o
  CC      hw/pci-host/piix.o
  CC      hw/pci-host/q35.o
  CC      hw/pci-host/gpex.o
  CC      hw/pci-host/xilinx-pcie.o
  CC      hw/pci-host/designware.o
  CC      hw/pci/pci.o
  CC      hw/pci/pci_bridge.o
  CC      hw/pci/msix.o
  CC      hw/pci/msi.o
  CC      hw/pci/shpc.o
  CC      hw/pci/slotid_cap.o
  CC      hw/pci/pci_host.o
  CC      hw/pci/pcie_host.o
  CC      hw/pci/pcie.o
  CC      hw/pci/pcie_aer.o
  CC      hw/pci/pcie_port.o
  CC      hw/pci/pci-stub.o
  CC      hw/pcmcia/pcmcia.o
  CC      hw/scsi/scsi-disk.o
  CC      hw/scsi/scsi-generic.o
  CC      hw/scsi/scsi-bus.o
  CC      hw/scsi/lsi53c895a.o
  CC      hw/scsi/mptsas.o
  CC      hw/scsi/mptconfig.o
  CC      hw/scsi/mptendian.o
  CC      hw/scsi/megasas.o
  CC      hw/scsi/vmw_pvscsi.o
  CC      hw/scsi/esp.o
  CC      hw/scsi/esp-pci.o
  CC      hw/sd/pl181.o
  CC      hw/sd/ssi-sd.o
  CC      hw/sd/sd.o
  CC      hw/sd/core.o
  CC      hw/sd/sdmmc-internal.o
  CC      hw/sd/sdhci.o
  CC      hw/smbios/smbios.o
  CC      hw/smbios/smbios_type_38.o
  CC      hw/smbios/smbios-stub.o
  CC      hw/smbios/smbios_type_38-stub.o
  CC      hw/ssi/pl022.o
  CC      hw/ssi/ssi.o
  CC      hw/ssi/xilinx_spi.o
  CC      hw/ssi/xilinx_spips.o
  CC      hw/ssi/aspeed_smc.o
  CC      hw/ssi/stm32f2xx_spi.o
  CC      hw/ssi/mss-spi.o
  CC      hw/timer/arm_timer.o
  CC      hw/timer/arm_mptimer.o
  CC      hw/timer/armv7m_systick.o
  CC      hw/timer/a9gtimer.o
  CC      hw/timer/cadence_ttc.o
  CC      hw/timer/ds1338.o
  CC      hw/timer/hpet.o
  CC      hw/timer/i8254_common.o
  CC      hw/timer/i8254.o
  CC      hw/timer/m48t59.o
  CC      hw/timer/m48t59-isa.o
  CC      hw/timer/pl031.o
  CC      hw/timer/puv3_ost.o
  CC      hw/timer/twl92230.o
  CC      hw/timer/xilinx_timer.o
  CC      hw/timer/slavio_timer.o
  CC      hw/timer/etraxfs_timer.o
  CC      hw/timer/grlib_gptimer.o
  CC      hw/timer/imx_epit.o
  CC      hw/timer/imx_gpt.o
  CC      hw/timer/lm32_timer.o
  CC      hw/timer/milkymist-sysctl.o
  CC      hw/timer/xlnx-zynqmp-rtc.o
  CC      hw/timer/stm32f2xx_timer.o
  CC      hw/timer/aspeed_timer.o
  CC      hw/timer/sun4v-rtc.o
  CC      hw/timer/cmsdk-apb-timer.o
  CC      hw/timer/mss-timer.o
  CC      hw/tpm/tpm_util.o
  CC      hw/tpm/tpm_tis.o
  CC      hw/tpm/tpm_crb.o
  CC      hw/tpm/tpm_emulator.o
  CC      hw/usb/core.o
  CC      hw/usb/combined-packet.o
  CC      hw/usb/bus.o
  CC      hw/usb/libhw.o
  CC      hw/usb/desc.o
  CC      hw/usb/desc-msos.o
  CC      hw/usb/hcd-uhci.o
  CC      hw/usb/hcd-ohci.o
  CC      hw/usb/hcd-ehci.o
  CC      hw/usb/hcd-ehci-pci.o
  CC      hw/usb/hcd-ehci-sysbus.o
  CC      hw/usb/hcd-xhci.o
  CC      hw/usb/hcd-xhci-nec.o
  CC      hw/usb/hcd-musb.o
  CC      hw/usb/dev-hub.o
  CC      hw/usb/dev-hid.o
  CC      hw/usb/dev-wacom.o
  CC      hw/usb/dev-storage.o
  CC      hw/usb/dev-uas.o
  CC      hw/usb/dev-audio.o
  CC      hw/usb/dev-serial.o
  CC      hw/usb/dev-network.o
  CC      hw/usb/dev-bluetooth.o
  CC      hw/usb/dev-smartcard-reader.o
  CC      hw/usb/ccid-card-passthru.o
  CC      hw/usb/ccid-card-emulated.o
  CC      hw/usb/dev-mtp.o
  CC      hw/usb/redirect.o
  CC      hw/usb/quirks.o
  CC      hw/usb/host-libusb.o
  CC      hw/usb/host-stub.o
  CC      hw/virtio/virtio-rng.o
  CC      hw/virtio/virtio-pci.o
  CC      hw/virtio/virtio-bus.o
  CC      hw/virtio/virtio-mmio.o
  CC      hw/virtio/vhost-stub.o
  CC      hw/watchdog/watchdog.o
  CC      hw/watchdog/wdt_i6300esb.o
  CC      hw/watchdog/wdt_ib700.o
  CC      hw/watchdog/wdt_diag288.o
  CC      hw/watchdog/wdt_aspeed.o
  CC      migration/migration.o
  CC      migration/socket.o
  CC      migration/fd.o
  CC      migration/exec.o
  CC      migration/tls.o
  CC      migration/channel.o
  CC      migration/savevm.o
  CC      migration/colo-comm.o
  CC      migration/colo.o
  CC      migration/colo-failover.o
  CC      migration/vmstate.o
  CC      migration/vmstate-types.o
  CC      migration/page_cache.o
  CC      migration/qemu-file.o
  CC      migration/global_state.o
  CC      migration/qemu-file-channel.o
  CC      migration/xbzrle.o
  CC      migration/qjson.o
  CC      migration/postcopy-ram.o
  CC      migration/block-dirty-bitmap.o
  CC      migration/block.o
  CC      net/net.o
  CC      net/queue.o
  CC      net/checksum.o
  CC      net/util.o
  CC      net/hub.o
  CC      net/socket.o
  CC      net/dump.o
  CC      net/eth.o
  CC      net/l2tpv3.o
  CC      net/vhost-user.o
  CC      net/slirp.o
  CC      net/filter.o
  CC      net/filter-buffer.o
  CC      net/filter-mirror.o
  CC      net/colo-compare.o
  CC      net/colo.o
  CC      net/filter-rewriter.o
  CC      net/filter-replay.o
  CC      net/tap.o
  CC      net/tap-linux.o
  CC      net/can/can_core.o
  CC      net/can/can_host.o
  CC      net/can/can_socketcan.o
  CC      qom/cpu.o
  CC      replay/replay.o
  CC      replay/replay-internal.o
  CC      replay/replay-events.o
  CC      replay/replay-time.o
  CC      replay/replay-input.o
  CC      replay/replay-char.o
  CC      replay/replay-snapshot.o
  CC      replay/replay-net.o
  CC      replay/replay-audio.o
  CC      slirp/cksum.o
  CC      slirp/if.o
  CC      slirp/ip_icmp.o
  CC      slirp/ip6_icmp.o
  CC      slirp/ip6_input.o
  CC      slirp/ip6_output.o
  CC      slirp/ip_input.o
  CC      slirp/ip_output.o
  CC      slirp/dnssearch.o
  CC      slirp/dhcpv6.o
  CC      slirp/slirp.o
  CC      slirp/mbuf.o
  CC      slirp/misc.o
  CC      slirp/sbuf.o
  CC      slirp/socket.o
  CC      slirp/tcp_input.o
  CC      slirp/tcp_output.o
  CC      slirp/tcp_subr.o
  CC      slirp/tcp_timer.o
  CC      slirp/udp.o
  CC      slirp/udp6.o
  CC      slirp/bootp.o
  CC      slirp/tftp.o
  CC      slirp/arp_table.o
  CC      slirp/ndp_table.o
  CC      slirp/ncsi.o
  CC      ui/console.o
  CC      ui/keymaps.o
  CC      ui/cursor.o
  CC      ui/qemu-pixman.o
  CC      ui/input.o
  CC      ui/input-legacy.o
  CC      ui/input-linux.o
  CC      ui/vnc.o
  CC      ui/vnc-enc-zlib.o
  CC      ui/vnc-enc-hextile.o
  CC      ui/vnc-enc-tight.o
  CC      ui/vnc-palette.o
  CC      ui/vnc-enc-zrle.o
  CC      ui/vnc-auth-vencrypt.o
  CC      ui/vnc-auth-sasl.o
  CC      ui/vnc-ws.o
  CC      ui/vnc-jobs.o
  CC      ui/x_keymap.o
  VERT    ui/shader/texture-blit-vert.h
  VERT    ui/shader/texture-blit-flip-vert.h
  FRAG    ui/shader/texture-blit-frag.h
  CC      ui/console-gl.o
  CC      ui/egl-helpers.o
  CC      ui/egl-context.o
  CC      ui/egl-headless.o
  CC      audio/ossaudio.o
  CC      ui/sdl2.o
  CC      ui/sdl2-input.o
  CC      ui/sdl2-2d.o
  CC      ui/sdl2-gl.o
  CC      ui/gtk.o
  CC      ui/gtk-egl.o
  CC      ui/gtk-gl-area.o
  CC      ui/curses.o
  CC      chardev/char.o
  CC      chardev/char-fd.o
  CC      chardev/char-fe.o
  CC      chardev/char-file.o
  CC      chardev/char-io.o
  CC      chardev/char-mux.o
  CC      chardev/char-null.o
  CC      chardev/char-parallel.o
  CC      chardev/char-pipe.o
  CC      chardev/char-pty.o
  CC      chardev/char-ringbuf.o
  CC      chardev/char-serial.o
  CC      chardev/char-socket.o
  CC      chardev/char-stdio.o
  CC      chardev/char-udp.o
  CCAS    s390-ccw/start.o
  CC      s390-ccw/main.o
  CC      s390-ccw/bootmap.o
  LINK    tests/qemu-iotests/socket_scm_helper
  CC      s390-ccw/sclp.o
  GEN     qemu-doc.html
  CC      s390-ccw/virtio.o
  CC      s390-ccw/virtio-scsi.o
  CC      s390-ccw/virtio-blkdev.o
  CC      s390-ccw/libc.o
  CC      s390-ccw/menu.o
s390-netboot.img not built since roms/SLOF/ is not available.
  GEN     qemu-doc.txt
  GEN     qemu.1
  BUILD   s390-ccw/s390-ccw.elf
  STRIP   s390-ccw/s390-ccw.img
  GEN     docs/interop/qemu-qmp-ref.html
  GEN     docs/interop/qemu-qmp-ref.txt
  GEN     docs/interop/qemu-qmp-ref.7
  CC      qga/commands.o
  CC      qga/guest-agent-command-state.o
  CC      qga/main.o
  CC      qga/commands-posix.o
  CC      qga/channel-posix.o
  CC      qga/qapi-generated/qga-qapi-types.o
  CC      qga/qapi-generated/qga-qapi-visit.o
  CC      qga/qapi-generated/qga-qapi-commands.o
  AR      libqemuutil.a
  CC      qemu-img.o
  LINK    qemu-io
  LINK    fsdev/virtfs-proxy-helper
  LINK    scsi/qemu-pr-helper
  LINK    qemu-bridge-helper
  CC      ui/shader.o
  GEN     docs/interop/qemu-ga-ref.html
  GEN     docs/interop/qemu-ga-ref.txt
  GEN     docs/interop/qemu-ga-ref.7
  LINK    qemu-ga
  LINK    qemu-keymap
  LINK    ivshmem-client
  LINK    ivshmem-server
  LINK    qemu-nbd
  LINK    qemu-img
  GEN     alpha-softmmu/hmp-commands.h
  GEN     cris-softmmu/hmp-commands.h
  GEN     alpha-softmmu/hmp-commands-info.h
  GEN     cris-softmmu/hmp-commands-info.h
  GEN     alpha-softmmu/config-target.h
  CC      alpha-softmmu/exec.o
  GEN     cris-softmmu/config-target.h
  CC      cris-softmmu/exec.o
  GEN     aarch64-softmmu/hmp-commands.h
  GEN     arm-softmmu/hmp-commands.h
  GEN     aarch64-softmmu/hmp-commands-info.h
  GEN     arm-softmmu/hmp-commands-info.h
  GEN     aarch64-softmmu/config-target.h
  CC      aarch64-softmmu/exec.o
  GEN     arm-softmmu/config-target.h
  CC      arm-softmmu/exec.o
  CC      cris-softmmu/tcg/tcg.o
  CC      alpha-softmmu/tcg/tcg.o
  CC      aarch64-softmmu/tcg/tcg.o
  CC      arm-softmmu/tcg/tcg.o
  CC      cris-softmmu/tcg/tcg-op.o
  CC      alpha-softmmu/tcg/tcg-op.o
  CC      arm-softmmu/tcg/tcg-op.o
  CC      aarch64-softmmu/tcg/tcg-op.o
  CC      cris-softmmu/tcg/tcg-op-vec.o
  CC      alpha-softmmu/tcg/tcg-op-vec.o
  CC      cris-softmmu/tcg/tcg-op-gvec.o
  CC      alpha-softmmu/tcg/tcg-op-gvec.o
  CC      arm-softmmu/tcg/tcg-op-vec.o
  CC      aarch64-softmmu/tcg/tcg-op-vec.o
  CC      arm-softmmu/tcg/tcg-op-gvec.o
  CC      aarch64-softmmu/tcg/tcg-op-gvec.o
  CC      alpha-softmmu/tcg/tcg-common.o
  CC      cris-softmmu/tcg/tcg-common.o
  CC      alpha-softmmu/tcg/optimize.o
  CC      cris-softmmu/tcg/optimize.o
  CC      alpha-softmmu/fpu/softfloat.o
  CC      arm-softmmu/tcg/tcg-common.o
  CC      cris-softmmu/fpu/softfloat.o
  CC      aarch64-softmmu/tcg/tcg-common.o
  CC      arm-softmmu/tcg/optimize.o
  CC      aarch64-softmmu/tcg/optimize.o
  CC      arm-softmmu/fpu/softfloat.o
  CC      aarch64-softmmu/fpu/softfloat.o
  CC      alpha-softmmu/disas.o
  CC      cris-softmmu/disas.o
  CC      cris-softmmu/arch_init.o
  CC      alpha-softmmu/arch_init.o
  CC      alpha-softmmu/cpus.o
  CC      cris-softmmu/cpus.o
  CC      arm-softmmu/disas.o
  CC      alpha-softmmu/monitor.o
  CC      aarch64-softmmu/disas.o
  GEN     arm-softmmu/gdbstub-xml.c
  CC      cris-softmmu/monitor.o
  CC      arm-softmmu/arch_init.o
  GEN     aarch64-softmmu/gdbstub-xml.c
  CC      arm-softmmu/cpus.o
  CC      arm-softmmu/monitor.o
  CC      alpha-softmmu/gdbstub.o
  CC      cris-softmmu/gdbstub.o
  CC      alpha-softmmu/balloon.o
  CC      aarch64-softmmu/arch_init.o
  CC      alpha-softmmu/ioport.o
  CC      cris-softmmu/balloon.o
  CC      aarch64-softmmu/cpus.o
  CC      alpha-softmmu/numa.o
  CC      cris-softmmu/ioport.o
  CC      arm-softmmu/gdbstub.o
  CC      cris-softmmu/numa.o
  CC      alpha-softmmu/qtest.o
  CC      aarch64-softmmu/monitor.o
  CC      alpha-softmmu/memory.o
  CC      cris-softmmu/qtest.o
  CC      arm-softmmu/balloon.o
  CC      arm-softmmu/ioport.o
  CC      cris-softmmu/memory.o
  CC      arm-softmmu/numa.o
  CC      aarch64-softmmu/gdbstub.o
  CC      alpha-softmmu/memory_mapping.o
  CC      arm-softmmu/qtest.o
  CC      alpha-softmmu/dump.o
  CC      aarch64-softmmu/balloon.o
  CC      arm-softmmu/memory.o
  CC      cris-softmmu/memory_mapping.o
  CC      aarch64-softmmu/ioport.o
  CC      aarch64-softmmu/numa.o
  CC      cris-softmmu/dump.o
  CC      alpha-softmmu/migration/ram.o
  CC      aarch64-softmmu/qtest.o
  CC      arm-softmmu/memory_mapping.o
  CC      cris-softmmu/migration/ram.o
  CC      alpha-softmmu/accel/accel.o
  CC      arm-softmmu/dump.o
  CC      aarch64-softmmu/memory.o
  CC      alpha-softmmu/accel/stubs/hax-stub.o
  CC      alpha-softmmu/accel/stubs/hvf-stub.o
  CC      arm-softmmu/migration/ram.o
  CC      cris-softmmu/accel/accel.o
  CC      alpha-softmmu/accel/stubs/whpx-stub.o
  CC      cris-softmmu/accel/stubs/hax-stub.o
  CC      alpha-softmmu/accel/stubs/kvm-stub.o
  CC      cris-softmmu/accel/stubs/hvf-stub.o
  CC      aarch64-softmmu/memory_mapping.o
  CC      cris-softmmu/accel/stubs/whpx-stub.o
  CC      alpha-softmmu/accel/tcg/tcg-all.o
  CC      cris-softmmu/accel/stubs/kvm-stub.o
  CC      alpha-softmmu/accel/tcg/cputlb.o
  CC      aarch64-softmmu/dump.o
  CC      arm-softmmu/accel/accel.o
  CC      cris-softmmu/accel/tcg/tcg-all.o
  CC      arm-softmmu/accel/stubs/hax-stub.o
  CC      cris-softmmu/accel/tcg/cputlb.o
  CC      arm-softmmu/accel/stubs/hvf-stub.o
  CC      aarch64-softmmu/migration/ram.o
  CC      arm-softmmu/accel/stubs/whpx-stub.o
  CC      arm-softmmu/accel/stubs/kvm-stub.o
  CC      alpha-softmmu/accel/tcg/tcg-runtime.o
  CC      arm-softmmu/accel/tcg/tcg-all.o
  CC      aarch64-softmmu/accel/accel.o
  CC      alpha-softmmu/accel/tcg/tcg-runtime-gvec.o
  CC      cris-softmmu/accel/tcg/tcg-runtime.o
  CC      arm-softmmu/accel/tcg/cputlb.o
  CC      cris-softmmu/accel/tcg/tcg-runtime-gvec.o
  CC      aarch64-softmmu/accel/stubs/hax-stub.o
  CC      aarch64-softmmu/accel/stubs/hvf-stub.o
  CC      alpha-softmmu/accel/tcg/cpu-exec.o
  CC      aarch64-softmmu/accel/stubs/whpx-stub.o
  CC      cris-softmmu/accel/tcg/cpu-exec.o
  CC      aarch64-softmmu/accel/stubs/kvm-stub.o
  CC      alpha-softmmu/accel/tcg/cpu-exec-common.o
  CC      alpha-softmmu/accel/tcg/translate-all.o
  CC      cris-softmmu/accel/tcg/cpu-exec-common.o
  CC      arm-softmmu/accel/tcg/tcg-runtime.o
  CC      aarch64-softmmu/accel/tcg/tcg-all.o
  CC      cris-softmmu/accel/tcg/translate-all.o
  CC      alpha-softmmu/accel/tcg/translator.o
  CC      aarch64-softmmu/accel/tcg/cputlb.o
  CC      arm-softmmu/accel/tcg/tcg-runtime-gvec.o
  CC      cris-softmmu/accel/tcg/translator.o
  CC      alpha-softmmu/hw/9pfs/virtio-9p-device.o
  CC      alpha-softmmu/hw/block/virtio-blk.o
  CC      cris-softmmu/hw/core/generic-loader.o
  CC      alpha-softmmu/hw/block/vhost-user-blk.o
  CC      arm-softmmu/accel/tcg/cpu-exec.o
  CC      cris-softmmu/hw/core/null-machine.o
  CC      alpha-softmmu/hw/block/dataplane/virtio-blk.o
  CC      cris-softmmu/hw/misc/mmio_interface.o
  CC      cris-softmmu/hw/net/etraxfs_eth.o
  CC      arm-softmmu/accel/tcg/cpu-exec-common.o
  CC      alpha-softmmu/hw/char/virtio-serial-bus.o
  CC      aarch64-softmmu/accel/tcg/tcg-runtime.o
  CC      cris-softmmu/hw/net/vhost_net.o
  CC      arm-softmmu/accel/tcg/translate-all.o
  CC      aarch64-softmmu/accel/tcg/tcg-runtime-gvec.o
  CC      cris-softmmu/hw/net/rocker/qmp-norocker.o
  CC      alpha-softmmu/hw/core/generic-loader.o
  CC      arm-softmmu/accel/tcg/translator.o
  CC      cris-softmmu/hw/vfio/common.o
  CC      alpha-softmmu/hw/core/null-machine.o
  CC      alpha-softmmu/hw/display/vga.o
  CC      arm-softmmu/hw/9pfs/virtio-9p-device.o
  CC      aarch64-softmmu/accel/tcg/cpu-exec.o
  CC      cris-softmmu/hw/vfio/platform.o
  CC      arm-softmmu/hw/adc/stm32f2xx_adc.o
  CC      cris-softmmu/hw/vfio/spapr.o
  CC      aarch64-softmmu/accel/tcg/cpu-exec-common.o
  CC      arm-softmmu/hw/block/virtio-blk.o
  CC      aarch64-softmmu/accel/tcg/translate-all.o
  CC      alpha-softmmu/hw/display/virtio-gpu.o
  CC      cris-softmmu/hw/cris/boot.o
  CC      arm-softmmu/hw/block/vhost-user-blk.o
  CC      cris-softmmu/hw/cris/axis_dev88.o
  CC      aarch64-softmmu/accel/tcg/translator.o
  CC      arm-softmmu/hw/block/dataplane/virtio-blk.o
  CC      alpha-softmmu/hw/display/virtio-gpu-3d.o
  CC      cris-softmmu/target/cris/translate.o
  CC      arm-softmmu/hw/char/exynos4210_uart.o
  CC      aarch64-softmmu/hw/9pfs/virtio-9p-device.o
  CC      arm-softmmu/hw/char/omap_uart.o
  CC      alpha-softmmu/hw/display/virtio-gpu-pci.o
  CC      aarch64-softmmu/hw/adc/stm32f2xx_adc.o
  CC      arm-softmmu/hw/char/digic-uart.o
  CC      aarch64-softmmu/hw/block/virtio-blk.o
  CC      alpha-softmmu/hw/misc/ivshmem.o
  CC      arm-softmmu/hw/char/stm32f2xx_usart.o
  CC      aarch64-softmmu/hw/block/vhost-user-blk.o
  CC      arm-softmmu/hw/char/bcm2835_aux.o
  CC      alpha-softmmu/hw/misc/mmio_interface.o
  CC      arm-softmmu/hw/char/virtio-serial-bus.o
  CC      aarch64-softmmu/hw/block/dataplane/virtio-blk.o
  CC      cris-softmmu/target/cris/op_helper.o
  CC      alpha-softmmu/hw/net/virtio-net.o
  CC      aarch64-softmmu/hw/char/exynos4210_uart.o
  CC      cris-softmmu/target/cris/helper.o
  CC      arm-softmmu/hw/core/generic-loader.o
  CC      aarch64-softmmu/hw/char/omap_uart.o
  CC      cris-softmmu/target/cris/cpu.o
  CC      alpha-softmmu/hw/net/vhost_net.o
  CC      arm-softmmu/hw/core/null-machine.o
  CC      aarch64-softmmu/hw/char/digic-uart.o
  CC      alpha-softmmu/hw/scsi/virtio-scsi.o
  CC      aarch64-softmmu/hw/char/stm32f2xx_usart.o
  CC      cris-softmmu/target/cris/gdbstub.o
  CC      arm-softmmu/hw/cpu/arm11mpcore.o
  CC      cris-softmmu/target/cris/mmu.o
  CC      aarch64-softmmu/hw/char/bcm2835_aux.o
  CC      arm-softmmu/hw/cpu/realview_mpcore.o
  CC      alpha-softmmu/hw/scsi/virtio-scsi-dataplane.o
  CC      cris-softmmu/target/cris/machine.o
  CC      arm-softmmu/hw/cpu/a9mpcore.o
  GEN     trace/generated-helpers.c
  CC      cris-softmmu/trace/control-target.o
  CC      aarch64-softmmu/hw/char/virtio-serial-bus.o
  CC      alpha-softmmu/hw/scsi/vhost-scsi-common.o
  CC      arm-softmmu/hw/cpu/a15mpcore.o
  CC      cris-softmmu/trace/generated-helpers.o
  CC      alpha-softmmu/hw/scsi/vhost-scsi.o
  LINK    cris-softmmu/qemu-system-cris
  CC      aarch64-softmmu/hw/core/generic-loader.o
  CC      arm-softmmu/hw/display/omap_dss.o
  CC      alpha-softmmu/hw/scsi/vhost-user-scsi.o
  CC      aarch64-softmmu/hw/core/null-machine.o
  CC      alpha-softmmu/hw/timer/mc146818rtc.o
  CC      arm-softmmu/hw/display/omap_lcdc.o
  CC      aarch64-softmmu/hw/cpu/arm11mpcore.o
  CC      arm-softmmu/hw/display/pxa2xx_lcd.o
  CC      alpha-softmmu/hw/vfio/common.o
  CC      aarch64-softmmu/hw/cpu/realview_mpcore.o
  CC      aarch64-softmmu/hw/cpu/a9mpcore.o
  CC      aarch64-softmmu/hw/cpu/a15mpcore.o
  CC      aarch64-softmmu/hw/display/omap_dss.o
  CC      aarch64-softmmu/hw/display/omap_lcdc.o
  CC      aarch64-softmmu/hw/display/pxa2xx_lcd.o
  GEN     hppa-softmmu/hmp-commands.h
  GEN     hppa-softmmu/hmp-commands-info.h
  GEN     hppa-softmmu/config-target.h
  CC      hppa-softmmu/exec.o
  CC      aarch64-softmmu/hw/display/bcm2835_fb.o
  CC      aarch64-softmmu/hw/display/vga.o
  CC      hppa-softmmu/tcg/tcg.o
  CC      aarch64-softmmu/hw/display/virtio-gpu.o
  CC      aarch64-softmmu/hw/display/virtio-gpu-3d.o
  CC      aarch64-softmmu/hw/display/virtio-gpu-pci.o
  CC      aarch64-softmmu/hw/display/dpcd.o
  CC      hppa-softmmu/tcg/tcg-op.o
  CC      aarch64-softmmu/hw/display/xlnx_dp.o
  CC      aarch64-softmmu/hw/dma/xlnx_dpdma.o
  CC      aarch64-softmmu/hw/dma/omap_dma.o
  CC      aarch64-softmmu/hw/dma/soc_dma.o
  CC      hppa-softmmu/tcg/tcg-op-vec.o
  CC      aarch64-softmmu/hw/dma/pxa2xx_dma.o
  CC      hppa-softmmu/tcg/tcg-op-gvec.o
  CC      aarch64-softmmu/hw/dma/bcm2835_dma.o
  CC      aarch64-softmmu/hw/gpio/omap_gpio.o
  CC      aarch64-softmmu/hw/gpio/imx_gpio.o
  CC      aarch64-softmmu/hw/gpio/bcm2835_gpio.o
  CC      aarch64-softmmu/hw/i2c/omap_i2c.o
  CC      hppa-softmmu/tcg/tcg-common.o
  CC      aarch64-softmmu/hw/input/pxa2xx_keypad.o
  CC      hppa-softmmu/tcg/optimize.o
  CC      aarch64-softmmu/hw/input/tsc210x.o
  CC      hppa-softmmu/fpu/softfloat.o
  CC      aarch64-softmmu/hw/intc/armv7m_nvic.o
  CC      aarch64-softmmu/hw/intc/exynos4210_gic.o
  CC      aarch64-softmmu/hw/intc/exynos4210_combiner.o
  CC      aarch64-softmmu/hw/intc/omap_intc.o
  CC      aarch64-softmmu/hw/intc/bcm2835_ic.o
  CC      aarch64-softmmu/hw/intc/bcm2836_control.o
  CC      aarch64-softmmu/hw/intc/allwinner-a10-pic.o
  CC      aarch64-softmmu/hw/intc/aspeed_vic.o
  CC      aarch64-softmmu/hw/intc/arm_gicv3_cpuif.o
  CC      aarch64-softmmu/hw/misc/ivshmem.o
  CC      hppa-softmmu/disas.o
  CC      hppa-softmmu/arch_init.o
  CC      aarch64-softmmu/hw/misc/arm_sysctl.o
  CC      hppa-softmmu/cpus.o
  CC      aarch64-softmmu/hw/misc/cbus.o
  CC      aarch64-softmmu/hw/misc/exynos4210_pmu.o
  CC      aarch64-softmmu/hw/misc/exynos4210_clk.o
  CC      hppa-softmmu/monitor.o
  CC      aarch64-softmmu/hw/misc/exynos4210_rng.o
  CC      aarch64-softmmu/hw/misc/imx_ccm.o
  CC      aarch64-softmmu/hw/misc/imx31_ccm.o
  CC      aarch64-softmmu/hw/misc/imx25_ccm.o
  CC      aarch64-softmmu/hw/misc/imx6_ccm.o
  CC      aarch64-softmmu/hw/misc/imx6_src.o
  CC      aarch64-softmmu/hw/misc/imx7_ccm.o
  CC      hppa-softmmu/gdbstub.o
  CC      aarch64-softmmu/hw/misc/imx2_wdt.o
  CC      aarch64-softmmu/hw/misc/imx7_snvs.o
  CC      aarch64-softmmu/hw/misc/imx7_gpr.o
  CC      aarch64-softmmu/hw/misc/mst_fpga.o
  CC      hppa-softmmu/balloon.o
  CC      aarch64-softmmu/hw/misc/omap_clk.o
  CC      hppa-softmmu/ioport.o
  CC      aarch64-softmmu/hw/misc/omap_gpmc.o
  CC      hppa-softmmu/numa.o
  CC      aarch64-softmmu/hw/misc/omap_l4.o
  CC      hppa-softmmu/qtest.o
  CC      aarch64-softmmu/hw/misc/omap_sdrc.o
  CC      aarch64-softmmu/hw/misc/omap_tap.o
  CC      aarch64-softmmu/hw/misc/bcm2835_mbox.o
  CC      hppa-softmmu/memory.o
  CC      aarch64-softmmu/hw/misc/bcm2835_property.o
  CC      aarch64-softmmu/hw/misc/bcm2835_rng.o
  CC      aarch64-softmmu/hw/misc/zynq_slcr.o
  CC      aarch64-softmmu/hw/misc/zynq-xadc.o
  CC      hppa-softmmu/memory_mapping.o
  CC      aarch64-softmmu/hw/misc/stm32f2xx_syscfg.o
  CC      aarch64-softmmu/hw/misc/mps2-fpgaio.o
  CC      hppa-softmmu/dump.o
  CC      aarch64-softmmu/hw/misc/mps2-scc.o
  CC      aarch64-softmmu/hw/misc/tz-ppc.o
  CC      hppa-softmmu/migration/ram.o
  CC      aarch64-softmmu/hw/misc/iotkit-secctl.o
  CC      aarch64-softmmu/hw/misc/auxbus.o
  CC      aarch64-softmmu/hw/misc/aspeed_scu.o
  CC      aarch64-softmmu/hw/misc/aspeed_sdmc.o
  CC      hppa-softmmu/accel/accel.o
  CC      aarch64-softmmu/hw/misc/mmio_interface.o
  CC      hppa-softmmu/accel/stubs/hax-stub.o
  CC      hppa-softmmu/accel/stubs/hvf-stub.o
  CC      aarch64-softmmu/hw/misc/msf2-sysreg.o
  CC      hppa-softmmu/accel/stubs/whpx-stub.o
  CC      aarch64-softmmu/hw/net/virtio-net.o
  CC      hppa-softmmu/accel/stubs/kvm-stub.o
  CC      hppa-softmmu/accel/tcg/tcg-all.o
  CC      hppa-softmmu/accel/tcg/cputlb.o
  CC      aarch64-softmmu/hw/net/vhost_net.o
  CC      aarch64-softmmu/hw/pcmcia/pxa2xx.o
  CC      aarch64-softmmu/hw/scsi/virtio-scsi.o
  CC      aarch64-softmmu/hw/scsi/virtio-scsi-dataplane.o
  CC      aarch64-softmmu/hw/scsi/vhost-scsi-common.o
  CC      hppa-softmmu/accel/tcg/tcg-runtime.o
  CC      aarch64-softmmu/hw/scsi/vhost-scsi.o
  CC      hppa-softmmu/accel/tcg/tcg-runtime-gvec.o
  CC      aarch64-softmmu/hw/scsi/vhost-user-scsi.o
  CC      aarch64-softmmu/hw/sd/omap_mmc.o
  CC      aarch64-softmmu/hw/sd/pxa2xx_mmci.o
  CC      aarch64-softmmu/hw/sd/bcm2835_sdhost.o
  CC      hppa-softmmu/accel/tcg/cpu-exec.o
  CC      aarch64-softmmu/hw/ssi/omap_spi.o
  CC      hppa-softmmu/accel/tcg/cpu-exec-common.o
  CC      aarch64-softmmu/hw/ssi/imx_spi.o
  CC      hppa-softmmu/accel/tcg/translate-all.o
  CC      aarch64-softmmu/hw/timer/exynos4210_mct.o
  CC      hppa-softmmu/accel/tcg/translator.o
  CC      aarch64-softmmu/hw/timer/exynos4210_pwm.o
  CC      aarch64-softmmu/hw/timer/exynos4210_rtc.o
  CC      hppa-softmmu/hw/9pfs/virtio-9p-device.o
  CC      aarch64-softmmu/hw/timer/omap_gptimer.o
  CC      hppa-softmmu/hw/block/virtio-blk.o
  CC      aarch64-softmmu/hw/timer/omap_synctimer.o
  CC      aarch64-softmmu/hw/timer/pxa2xx_timer.o
  CC      hppa-softmmu/hw/block/vhost-user-blk.o
  CC      aarch64-softmmu/hw/timer/digic-timer.o
  CC      hppa-softmmu/hw/block/dataplane/virtio-blk.o
  CC      aarch64-softmmu/hw/timer/allwinner-a10-pit.o
  CC      hppa-softmmu/hw/char/virtio-serial-bus.o
  CC      aarch64-softmmu/hw/usb/tusb6010.o
  CC      aarch64-softmmu/hw/usb/chipidea.o
  CC      hppa-softmmu/hw/core/generic-loader.o
  CC      aarch64-softmmu/hw/vfio/common.o
  CC      hppa-softmmu/hw/core/null-machine.o
  CC      hppa-softmmu/hw/display/vga.o
  CC      aarch64-softmmu/hw/vfio/pci.o
  CC      hppa-softmmu/hw/display/virtio-gpu.o
  CC      aarch64-softmmu/hw/vfio/pci-quirks.o
  CC      hppa-softmmu/hw/display/virtio-gpu-3d.o
  CC      hppa-softmmu/hw/display/virtio-gpu-pci.o
  CC      aarch64-softmmu/hw/vfio/display.o
  CC      hppa-softmmu/hw/display/virtio-vga.o
  CC      aarch64-softmmu/hw/vfio/platform.o
  CC      hppa-softmmu/hw/misc/ivshmem.o
  CC      aarch64-softmmu/hw/vfio/calxeda-xgmac.o
  CC      hppa-softmmu/hw/misc/mmio_interface.o
  CC      aarch64-softmmu/hw/vfio/amd-xgbe.o
  CC      hppa-softmmu/hw/net/virtio-net.o
  CC      aarch64-softmmu/hw/vfio/spapr.o
  CC      aarch64-softmmu/hw/virtio/virtio.o
  CC      hppa-softmmu/hw/net/vhost_net.o
  CC      hppa-softmmu/hw/scsi/virtio-scsi.o
  CC      hppa-softmmu/hw/scsi/virtio-scsi-dataplane.o
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c: In function ‘virtqueue_get_avail_bytes’:
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c:1050:17: error: ‘i’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
                 vring_desc_read_packed(vdev, &desc, desc_cache,
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                        ++i % vq->packed.num);
                                        ~~~~~~~~~~~~~~~~~~~~~
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c:1002:22: note: ‘i’ was declared here
         unsigned int i;
                      ^
cc1: all warnings being treated as errors
make[1]: *** [/var/tmp/patchew-tester-tmp-p1bt4aee/src/rules.mak:66: hw/virtio/virtio.o] Error 1
make: *** [Makefile:478: subdir-aarch64-softmmu] Error 2
make: *** Waiting for unfinished jobs....
  CC      alpha-softmmu/hw/vfio/pci.o
  CC      hppa-softmmu/hw/scsi/vhost-scsi-common.o
  CC      hppa-softmmu/hw/scsi/vhost-scsi.o
  CC      hppa-softmmu/hw/scsi/vhost-user-scsi.o
  CC      alpha-softmmu/hw/vfio/pci-quirks.o
  CC      hppa-softmmu/hw/timer/mc146818rtc.o
  CC      hppa-softmmu/hw/vfio/common.o
  CC      hppa-softmmu/hw/vfio/pci.o
  CC      alpha-softmmu/hw/vfio/display.o
  CC      alpha-softmmu/hw/vfio/platform.o
  CC      alpha-softmmu/hw/vfio/spapr.o
  CC      alpha-softmmu/hw/virtio/virtio.o
  CC      hppa-softmmu/hw/vfio/pci-quirks.o
  CC      alpha-softmmu/hw/virtio/virtio-balloon.o
  CC      alpha-softmmu/hw/virtio/vhost.o
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c: In function ‘virtqueue_get_avail_bytes’:
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c:1050:17: error: ‘i’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
                 vring_desc_read_packed(vdev, &desc, desc_cache,
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                        ++i % vq->packed.num);
                                        ~~~~~~~~~~~~~~~~~~~~~
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c:1002:22: note: ‘i’ was declared here
         unsigned int i;
                      ^
cc1: all warnings being treated as errors
make[1]: *** [/var/tmp/patchew-tester-tmp-p1bt4aee/src/rules.mak:66: hw/virtio/virtio.o] Error 1
make[1]: *** Waiting for unfinished jobs....
  CC      hppa-softmmu/hw/vfio/display.o
  CC      arm-softmmu/hw/display/bcm2835_fb.o
  CC      hppa-softmmu/hw/vfio/platform.o
make: *** [Makefile:478: subdir-alpha-softmmu] Error 2
  CC      arm-softmmu/hw/display/vga.o
  CC      arm-softmmu/hw/display/virtio-gpu.o
  CC      hppa-softmmu/hw/vfio/spapr.o
  CC      hppa-softmmu/hw/virtio/virtio.o
  CC      arm-softmmu/hw/display/virtio-gpu-3d.o
  CC      hppa-softmmu/hw/virtio/virtio-balloon.o
  CC      hppa-softmmu/hw/virtio/vhost.o
  CC      hppa-softmmu/hw/virtio/vhost-backend.o
  CC      hppa-softmmu/hw/virtio/vhost-user.o
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c: In function ‘virtqueue_get_avail_bytes’:
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c:1050:17: error: ‘i’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
                 vring_desc_read_packed(vdev, &desc, desc_cache,
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                        ++i % vq->packed.num);
                                        ~~~~~~~~~~~~~~~~~~~~~
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c:1002:22: note: ‘i’ was declared here
         unsigned int i;
                      ^
cc1: all warnings being treated as errors
make[1]: *** [/var/tmp/patchew-tester-tmp-p1bt4aee/src/rules.mak:66: hw/virtio/virtio.o] Error 1
make[1]: *** Waiting for unfinished jobs....
  CC      arm-softmmu/hw/display/virtio-gpu-pci.o
  CC      arm-softmmu/hw/dma/omap_dma.o
  CC      arm-softmmu/hw/dma/soc_dma.o
make: *** [Makefile:478: subdir-hppa-softmmu] Error 2
  CC      arm-softmmu/hw/dma/pxa2xx_dma.o
  CC      arm-softmmu/hw/dma/bcm2835_dma.o
  CC      arm-softmmu/hw/gpio/omap_gpio.o
  CC      arm-softmmu/hw/gpio/imx_gpio.o
  CC      arm-softmmu/hw/gpio/bcm2835_gpio.o
  CC      arm-softmmu/hw/i2c/omap_i2c.o
  CC      arm-softmmu/hw/input/pxa2xx_keypad.o
  CC      arm-softmmu/hw/input/tsc210x.o
  CC      arm-softmmu/hw/intc/armv7m_nvic.o
  CC      arm-softmmu/hw/intc/exynos4210_gic.o
  CC      arm-softmmu/hw/intc/exynos4210_combiner.o
  CC      arm-softmmu/hw/intc/omap_intc.o
  CC      arm-softmmu/hw/intc/bcm2835_ic.o
  CC      arm-softmmu/hw/intc/bcm2836_control.o
  CC      arm-softmmu/hw/intc/allwinner-a10-pic.o
  CC      arm-softmmu/hw/intc/aspeed_vic.o
  CC      arm-softmmu/hw/intc/arm_gicv3_cpuif.o
  CC      arm-softmmu/hw/misc/ivshmem.o
  CC      arm-softmmu/hw/misc/arm_sysctl.o
  CC      arm-softmmu/hw/misc/cbus.o
  CC      arm-softmmu/hw/misc/exynos4210_pmu.o
  CC      arm-softmmu/hw/misc/exynos4210_clk.o
  CC      arm-softmmu/hw/misc/exynos4210_rng.o
  CC      arm-softmmu/hw/misc/imx_ccm.o
  CC      arm-softmmu/hw/misc/imx31_ccm.o
  CC      arm-softmmu/hw/misc/imx25_ccm.o
  CC      arm-softmmu/hw/misc/imx6_ccm.o
  CC      arm-softmmu/hw/misc/imx6_src.o
  CC      arm-softmmu/hw/misc/imx7_ccm.o
  CC      arm-softmmu/hw/misc/imx2_wdt.o
  CC      arm-softmmu/hw/misc/imx7_snvs.o
  CC      arm-softmmu/hw/misc/imx7_gpr.o
  CC      arm-softmmu/hw/misc/mst_fpga.o
  CC      arm-softmmu/hw/misc/omap_gpmc.o
  CC      arm-softmmu/hw/misc/omap_clk.o
  CC      arm-softmmu/hw/misc/omap_l4.o
  CC      arm-softmmu/hw/misc/omap_sdrc.o
  CC      arm-softmmu/hw/misc/omap_tap.o
  CC      arm-softmmu/hw/misc/bcm2835_mbox.o
  CC      arm-softmmu/hw/misc/bcm2835_property.o
  CC      arm-softmmu/hw/misc/bcm2835_rng.o
  CC      arm-softmmu/hw/misc/zynq_slcr.o
  CC      arm-softmmu/hw/misc/zynq-xadc.o
  CC      arm-softmmu/hw/misc/stm32f2xx_syscfg.o
  CC      arm-softmmu/hw/misc/mps2-fpgaio.o
  CC      arm-softmmu/hw/misc/mps2-scc.o
  CC      arm-softmmu/hw/misc/tz-ppc.o
  CC      arm-softmmu/hw/misc/iotkit-secctl.o
  CC      arm-softmmu/hw/misc/aspeed_scu.o
  CC      arm-softmmu/hw/misc/aspeed_sdmc.o
  CC      arm-softmmu/hw/misc/mmio_interface.o
  CC      arm-softmmu/hw/misc/msf2-sysreg.o
  CC      arm-softmmu/hw/net/virtio-net.o
  CC      arm-softmmu/hw/net/vhost_net.o
  CC      arm-softmmu/hw/pcmcia/pxa2xx.o
  CC      arm-softmmu/hw/scsi/virtio-scsi.o
  CC      arm-softmmu/hw/scsi/virtio-scsi-dataplane.o
  CC      arm-softmmu/hw/scsi/vhost-scsi-common.o
  CC      arm-softmmu/hw/scsi/vhost-scsi.o
  CC      arm-softmmu/hw/scsi/vhost-user-scsi.o
  CC      arm-softmmu/hw/sd/omap_mmc.o
  CC      arm-softmmu/hw/sd/pxa2xx_mmci.o
  CC      arm-softmmu/hw/sd/bcm2835_sdhost.o
  CC      arm-softmmu/hw/ssi/omap_spi.o
  CC      arm-softmmu/hw/ssi/imx_spi.o
  CC      arm-softmmu/hw/timer/exynos4210_mct.o
  CC      arm-softmmu/hw/timer/exynos4210_pwm.o
  CC      arm-softmmu/hw/timer/exynos4210_rtc.o
  CC      arm-softmmu/hw/timer/omap_gptimer.o
  CC      arm-softmmu/hw/timer/omap_synctimer.o
  CC      arm-softmmu/hw/timer/pxa2xx_timer.o
  CC      arm-softmmu/hw/timer/digic-timer.o
  CC      arm-softmmu/hw/timer/allwinner-a10-pit.o
  CC      arm-softmmu/hw/usb/tusb6010.o
  CC      arm-softmmu/hw/usb/chipidea.o
  CC      arm-softmmu/hw/vfio/common.o
  CC      arm-softmmu/hw/vfio/pci.o
  CC      arm-softmmu/hw/vfio/pci-quirks.o
  CC      arm-softmmu/hw/vfio/display.o
  CC      arm-softmmu/hw/vfio/platform.o
  CC      arm-softmmu/hw/vfio/calxeda-xgmac.o
  CC      arm-softmmu/hw/vfio/amd-xgbe.o
  CC      arm-softmmu/hw/vfio/spapr.o
  CC      arm-softmmu/hw/virtio/virtio.o
  CC      arm-softmmu/hw/virtio/virtio-balloon.o
  CC      arm-softmmu/hw/virtio/vhost.o
  CC      arm-softmmu/hw/virtio/vhost-backend.o
  CC      arm-softmmu/hw/virtio/vhost-user.o
  CC      arm-softmmu/hw/virtio/vhost-vsock.o
  CC      arm-softmmu/hw/virtio/virtio-crypto.o
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c: In function ‘virtqueue_get_avail_bytes’:
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c:1050:17: error: ‘i’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
                 vring_desc_read_packed(vdev, &desc, desc_cache,
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                        ++i % vq->packed.num);
                                        ~~~~~~~~~~~~~~~~~~~~~
/var/tmp/patchew-tester-tmp-p1bt4aee/src/hw/virtio/virtio.c:1002:22: note: ‘i’ was declared here
         unsigned int i;
                      ^
cc1: all warnings being treated as errors
make[1]: *** [/var/tmp/patchew-tester-tmp-p1bt4aee/src/rules.mak:66: hw/virtio/virtio.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:478: subdir-arm-softmmu] Error 2
=== OUTPUT END ===

Test command exited with code: 2


---
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Re: [Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

[no-reply]

Hi,

This series failed docker-mingw@fedora build test. Please find the testing commands and
their output below. If you have Docker installed, you can probably reproduce it
locally.

Type: series
Message-id: 1522846444-31725-1-git-send-email-wexu@redhat.com
Subject: [Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

=== TEST SCRIPT BEGIN ===
#!/bin/bash
set -e
git submodule update --init dtc
# Let docker tests dump environment info
export SHOW_ENV=1
export J=8
time make docker-test-mingw@fedora
=== TEST SCRIPT END ===

Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
Switched to a new branch 'test'
a5ed4f9354 virtio: queue pop support for packed ring
eda38cccfc virtio: get avail bytes check for packed ring
d6b7b8f192 virtio: flush/push support for packed ring
2ae1f234dc virtio: notification tweak for packed ring
5c44b67629 virtio: add detach element for packed ring(1.1)
7bc7372e93 virtio: add empty check for packed ring
cf399da035 virtio: memory cache for packed ring
606ec5dc23 virtio: feature bit, data structure for packed ring

=== OUTPUT BEGIN ===
Submodule 'dtc' (git://git.qemu-project.org/dtc.git) registered for path 'dtc'
Cloning into '/var/tmp/patchew-tester-tmp-qr0vpq45/src/dtc'...
Submodule path 'dtc': checked out 'e54388015af1fb4bf04d0bca99caba1074d9cc42'
  BUILD   fedora
make[1]: Entering directory '/var/tmp/patchew-tester-tmp-qr0vpq45/src'
  GEN     /var/tmp/patchew-tester-tmp-qr0vpq45/src/docker-src.2018-04-04-09.11.46.2207/qemu.tar
Cloning into '/var/tmp/patchew-tester-tmp-qr0vpq45/src/docker-src.2018-04-04-09.11.46.2207/qemu.tar.vroot'...
done.
Checking out files:  45% (2739/6066)   
Checking out files:  46% (2791/6066)   
Checking out files:  47% (2852/6066)   
Checking out files:  48% (2912/6066)   
Checking out files:  49% (2973/6066)   
Checking out files:  50% (3033/6066)   
Checking out files:  51% (3094/6066)   
Checking out files:  52% (3155/6066)   
Checking out files:  53% (3215/6066)   
Checking out files:  54% (3276/6066)   
Checking out files:  55% (3337/6066)   
Checking out files:  56% (3397/6066)   
Checking out files:  57% (3458/6066)   
Checking out files:  58% (3519/6066)   
Checking out files:  59% (3579/6066)   
Checking out files:  60% (3640/6066)   
Checking out files:  61% (3701/6066)   
Checking out files:  62% (3761/6066)   
Checking out files:  63% (3822/6066)   
Checking out files:  64% (3883/6066)   
Checking out files:  65% (3943/6066)   
Checking out files:  66% (4004/6066)   
Checking out files:  67% (4065/6066)   
Checking out files:  68% (4125/6066)   
Checking out files:  69% (4186/6066)   
Checking out files:  70% (4247/6066)   
Checking out files:  71% (4307/6066)   
Checking out files:  72% (4368/6066)   
Checking out files:  73% (4429/6066)   
Checking out files:  74% (4489/6066)   
Checking out files:  75% (4550/6066)   
Checking out files:  76% (4611/6066)   
Checking out files:  77% (4671/6066)   
Checking out files:  78% (4732/6066)   
Checking out files:  79% (4793/6066)   
Checking out files:  80% (4853/6066)   
Checking out files:  81% (4914/6066)   
Checking out files:  82% (4975/6066)   
Checking out files:  83% (5035/6066)   
Checking out files:  84% (5096/6066)   
Checking out files:  85% (5157/6066)   
Checking out files:  86% (5217/6066)   
Checking out files:  87% (5278/6066)   
Checking out files:  88% (5339/6066)   
Checking out files:  89% (5399/6066)   
Checking out files:  90% (5460/6066)   
Checking out files:  91% (5521/6066)   
Checking out files:  92% (5581/6066)   
Checking out files:  93% (5642/6066)   
Checking out files:  94% (5703/6066)   
Checking out files:  95% (5763/6066)   
Checking out files:  96% (5824/6066)   
Checking out files:  97% (5885/6066)   
Checking out files:  98% (5945/6066)   
Checking out files:  99% (6006/6066)   
Checking out files: 100% (6066/6066)   
Checking out files: 100% (6066/6066), done.
Your branch is up-to-date with 'origin/test'.
Submodule 'dtc' (git://git.qemu-project.org/dtc.git) registered for path 'dtc'
Cloning into '/var/tmp/patchew-tester-tmp-qr0vpq45/src/docker-src.2018-04-04-09.11.46.2207/qemu.tar.vroot/dtc'...
Submodule path 'dtc': checked out 'e54388015af1fb4bf04d0bca99caba1074d9cc42'
Submodule 'ui/keycodemapdb' (git://git.qemu.org/keycodemapdb.git) registered for path 'ui/keycodemapdb'
Cloning into '/var/tmp/patchew-tester-tmp-qr0vpq45/src/docker-src.2018-04-04-09.11.46.2207/qemu.tar.vroot/ui/keycodemapdb'...
Submodule path 'ui/keycodemapdb': checked out '6b3d716e2b6472eb7189d3220552280ef3d832ce'
  COPY    RUNNER
    RUN test-mingw in qemu:fedora 
Packages installed:
PyYAML-3.12-5.fc27.x86_64
SDL-devel-1.2.15-29.fc27.x86_64
bc-1.07.1-3.fc27.x86_64
bison-3.0.4-8.fc27.x86_64
bzip2-1.0.6-24.fc27.x86_64
ccache-3.3.6-1.fc27.x86_64
clang-5.0.1-3.fc27.x86_64
findutils-4.6.0-16.fc27.x86_64
flex-2.6.1-5.fc27.x86_64
gcc-7.3.1-5.fc27.x86_64
gcc-c++-7.3.1-5.fc27.x86_64
gettext-0.19.8.1-12.fc27.x86_64
git-2.14.3-3.fc27.x86_64
glib2-devel-2.54.3-2.fc27.x86_64
hostname-3.18-4.fc27.x86_64
libaio-devel-0.3.110-9.fc27.x86_64
libasan-7.3.1-5.fc27.x86_64
libfdt-devel-1.4.6-1.fc27.x86_64
libubsan-7.3.1-5.fc27.x86_64
llvm-5.0.1-3.fc27.x86_64
make-4.2.1-4.fc27.x86_64
mingw32-SDL-1.2.15-9.fc27.noarch
mingw32-bzip2-1.0.6-9.fc27.noarch
mingw32-curl-7.54.1-2.fc27.noarch
mingw32-glib2-2.54.1-1.fc27.noarch
mingw32-gmp-6.1.2-2.fc27.noarch
mingw32-gnutls-3.5.13-2.fc27.noarch
mingw32-gtk2-2.24.31-4.fc27.noarch
mingw32-gtk3-3.22.16-1.fc27.noarch
mingw32-libjpeg-turbo-1.5.1-3.fc27.noarch
mingw32-libpng-1.6.29-2.fc27.noarch
mingw32-libssh2-1.8.0-3.fc27.noarch
mingw32-libtasn1-4.13-1.fc27.noarch
mingw32-nettle-3.3-3.fc27.noarch
mingw32-pixman-0.34.0-3.fc27.noarch
mingw32-pkg-config-0.28-9.fc27.x86_64
mingw64-SDL-1.2.15-9.fc27.noarch
mingw64-bzip2-1.0.6-9.fc27.noarch
mingw64-curl-7.54.1-2.fc27.noarch
mingw64-glib2-2.54.1-1.fc27.noarch
mingw64-gmp-6.1.2-2.fc27.noarch
mingw64-gnutls-3.5.13-2.fc27.noarch
mingw64-gtk2-2.24.31-4.fc27.noarch
mingw64-gtk3-3.22.16-1.fc27.noarch
mingw64-libjpeg-turbo-1.5.1-3.fc27.noarch
mingw64-libpng-1.6.29-2.fc27.noarch
mingw64-libssh2-1.8.0-3.fc27.noarch
mingw64-libtasn1-4.13-1.fc27.noarch
mingw64-nettle-3.3-3.fc27.noarch
mingw64-pixman-0.34.0-3.fc27.noarch
mingw64-pkg-config-0.28-9.fc27.x86_64
nettle-devel-3.4-1.fc27.x86_64
perl-5.26.1-403.fc27.x86_64
pixman-devel-0.34.0-4.fc27.x86_64
python3-3.6.2-13.fc27.x86_64
sparse-0.5.1-2.fc27.x86_64
tar-1.29-7.fc27.x86_64
which-2.21-4.fc27.x86_64
zlib-devel-1.2.11-4.fc27.x86_64

Environment variables:
TARGET_LIST=
PACKAGES=ccache gettext git tar PyYAML sparse flex bison python3 bzip2 hostname     glib2-devel pixman-devel zlib-devel SDL-devel libfdt-devel     gcc gcc-c++ llvm clang make perl which bc findutils libaio-devel     nettle-devel libasan libubsan     mingw32-pixman mingw32-glib2 mingw32-gmp mingw32-SDL mingw32-pkg-config     mingw32-gtk2 mingw32-gtk3 mingw32-gnutls mingw32-nettle mingw32-libtasn1     mingw32-libjpeg-turbo mingw32-libpng mingw32-curl mingw32-libssh2     mingw32-bzip2     mingw64-pixman mingw64-glib2 mingw64-gmp mingw64-SDL mingw64-pkg-config     mingw64-gtk2 mingw64-gtk3 mingw64-gnutls mingw64-nettle mingw64-libtasn1     mingw64-libjpeg-turbo mingw64-libpng mingw64-curl mingw64-libssh2     mingw64-bzip2
J=8
V=
HOSTNAME=4c0456d9df07
DEBUG=
SHOW_ENV=1
PWD=/
HOME=/root
CCACHE_DIR=/var/tmp/ccache
DISTTAG=f27container
QEMU_CONFIGURE_OPTS=--python=/usr/bin/python3
FGC=f27
TEST_DIR=/tmp/qemu-test
SHLVL=1
FEATURES=mingw clang pyyaml asan dtc
PATH=/usr/lib/ccache:/usr/lib64/ccache:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
MAKEFLAGS= -j8
EXTRA_CONFIGURE_OPTS=
_=/usr/bin/env

Configure options:
--enable-werror --target-list=x86_64-softmmu,aarch64-softmmu --prefix=/tmp/qemu-test/install --python=/usr/bin/python3 --cross-prefix=x86_64-w64-mingw32- --enable-trace-backends=simple --enable-gnutls --enable-nettle --enable-curl --enable-vnc --enable-bzip2 --enable-guest-agent --with-sdlabi=1.2 --with-gtkabi=2.0
Install prefix    /tmp/qemu-test/install
BIOS directory    /tmp/qemu-test/install
firmware path     /tmp/qemu-test/install/share/qemu-firmware
binary directory  /tmp/qemu-test/install
library directory /tmp/qemu-test/install/lib
module directory  /tmp/qemu-test/install/lib
libexec directory /tmp/qemu-test/install/libexec
include directory /tmp/qemu-test/install/include
config directory  /tmp/qemu-test/install
local state directory   queried at runtime
Windows SDK       no
Source path       /tmp/qemu-test/src
GIT binary        git
GIT submodules    
C compiler        x86_64-w64-mingw32-gcc
Host C compiler   cc
C++ compiler      x86_64-w64-mingw32-g++
Objective-C compiler clang
ARFLAGS           rv
CFLAGS            -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g 
QEMU_CFLAGS       -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/pixman-1  -I$(SRC_PATH)/dtc/libfdt -Werror -DHAS_LIBSSH2_SFTP_FSYNC -mms-bitfields -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/glib-2.0 -I/usr/x86_64-w64-mingw32/sys-root/mingw/lib/glib-2.0/include -I/usr/x86_64-w64-mingw32/sys-root/mingw/include  -m64 -mcx16 -mthreads -D__USE_MINGW_ANSI_STDIO=1 -DWIN32_LEAN_AND_MEAN -DWINVER=0x501 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv  -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -I/usr/x86_64-w64-mingw32/sys-root/mingw/include -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/p11-kit-1 -I/usr/x86_64-w64-mingw32/sys-root/mingw/include  -I/usr/x86_64-w64-mingw32/sys-root/mingw/include   -I/usr/x86_64-w64-mingw32/sys-root/mingw/include/libpng16 
LDFLAGS           -Wl,--nxcompat -Wl,--no-seh -Wl,--dynamicbase -Wl,--warn-common -m64 -g 
make              make
install           install
python            /usr/bin/python3 -B
smbd              /usr/sbin/smbd
module support    no
host CPU          x86_64
host big endian   no
target list       x86_64-softmmu aarch64-softmmu
gprof enabled     no
sparse enabled    no
strip binaries    yes
profiler          no
static build      no
SDL support       yes (1.2.15)
GTK support       yes (2.24.31)
GTK GL support    no
VTE support       no 
TLS priority      NORMAL
GNUTLS support    yes
GNUTLS rnd        yes
libgcrypt         no
libgcrypt kdf     no
nettle            yes (3.3)
nettle kdf        yes
libtasn1          yes
curses support    no
virgl support     no
curl support      yes
mingw32 support   yes
Audio drivers     dsound
Block whitelist (rw) 
Block whitelist (ro) 
VirtFS support    no
Multipath support no
VNC support       yes
VNC SASL support  no
VNC JPEG support  yes
VNC PNG support   yes
xen support       no
brlapi support    no
bluez  support    no
Documentation     no
PIE               no
vde support       no
netmap support    no
Linux AIO support no
ATTR/XATTR support no
Install blobs     yes
KVM support       no
HAX support       yes
HVF support       no
WHPX support      no
TCG support       yes
TCG debug enabled no
TCG interpreter   no
malloc trim support no
RDMA support      no
fdt support       yes
membarrier        no
preadv support    no
fdatasync         no
madvise           no
posix_madvise     no
posix_memalign    no
libcap-ng support no
vhost-net support no
vhost-crypto support no
vhost-scsi support no
vhost-vsock support no
vhost-user support no
Trace backends    simple
Trace output file trace-<pid>
spice support     no 
rbd support       no
xfsctl support    no
smartcard support no
libusb            no
usb net redir     no
OpenGL support    no
OpenGL dmabufs    no
libiscsi support  no
libnfs support    no
build guest agent yes
QGA VSS support   no
QGA w32 disk info yes
QGA MSI support   no
seccomp support   no
coroutine backend win32
coroutine pool    yes
debug stack usage no
crypto afalg      no
GlusterFS support no
gcov              gcov
gcov enabled      no
TPM support       yes
libssh2 support   yes
TPM passthrough   no
TPM emulator      no
QOM debugging     yes
Live block migration yes
lzo support       no
snappy support    no
bzip2 support     yes
NUMA host support no
libxml2           no
tcmalloc support  no
jemalloc support  no
avx2 optimization yes
replication support yes
VxHS block device no
capstone          no

WARNING: Use of GTK 2.0 is deprecated and will be removed in
WARNING: future releases. Please switch to using GTK 3.0

WARNING: Use of SDL 1.2 is deprecated and will be removed in
WARNING: future releases. Please switch to using SDL 2.0
mkdir -p dtc/libfdt
mkdir -p dtc/tests
  GEN     x86_64-softmmu/config-devices.mak.tmp
  GEN     config-host.h
  GEN     qemu-options.def
  GEN     aarch64-softmmu/config-devices.mak.tmp
  GEN     qapi-gen
  GEN     trace/generated-tcg-tracers.h
  GEN     trace/generated-helpers-wrappers.h
  GEN     trace/generated-helpers.h
  GEN     x86_64-softmmu/config-devices.mak
  GEN     trace/generated-helpers.c
  GEN     aarch64-softmmu/config-devices.mak
  GEN     module_block.h
  GEN     ui/input-keymap-atset1-to-qcode.c
  GEN     ui/input-keymap-linux-to-qcode.c
  GEN     ui/input-keymap-qcode-to-atset3.c
  GEN     ui/input-keymap-qcode-to-atset2.c
  GEN     ui/input-keymap-qcode-to-atset1.c
  GEN     ui/input-keymap-qcode-to-linux.c
  GEN     ui/input-keymap-qcode-to-qnum.c
  GEN     ui/input-keymap-qcode-to-sun.c
  GEN     ui/input-keymap-usb-to-qcode.c
  GEN     ui/input-keymap-qnum-to-qcode.c
  GEN     ui/input-keymap-win32-to-qcode.c
  GEN     ui/input-keymap-x11-to-qcode.c
  GEN     ui/input-keymap-xorgevdev-to-qcode.c
  GEN     ui/input-keymap-xorgkbd-to-qcode.c
  GEN     ui/input-keymap-xorgxquartz-to-qcode.c
  GEN     ui/input-keymap-xorgxwin-to-qcode.c
  GEN     tests/test-qapi-gen
  GEN     trace-root.h
  GEN     util/trace.h
  GEN     crypto/trace.h
  GEN     io/trace.h
  GEN     migration/trace.h
  GEN     block/trace.h
  GEN     chardev/trace.h
  GEN     hw/block/trace.h
  GEN     hw/block/dataplane/trace.h
  GEN     hw/char/trace.h
  GEN     hw/intc/trace.h
  GEN     hw/net/trace.h
  GEN     hw/rdma/trace.h
  GEN     hw/rdma/vmw/trace.h
  GEN     hw/virtio/trace.h
  GEN     hw/audio/trace.h
  GEN     hw/misc/trace.h
  GEN     hw/misc/macio/trace.h
  GEN     hw/usb/trace.h
  GEN     hw/scsi/trace.h
  GEN     hw/nvram/trace.h
  GEN     hw/display/trace.h
  GEN     hw/input/trace.h
  GEN     hw/timer/trace.h
  GEN     hw/dma/trace.h
  GEN     hw/sparc/trace.h
  GEN     hw/sparc64/trace.h
  GEN     hw/sd/trace.h
  GEN     hw/isa/trace.h
  GEN     hw/mem/trace.h
  GEN     hw/i386/trace.h
  GEN     hw/i386/xen/trace.h
  GEN     hw/9pfs/trace.h
  GEN     hw/ppc/trace.h
  GEN     hw/pci/trace.h
  GEN     hw/pci-host/trace.h
  GEN     hw/s390x/trace.h
  GEN     hw/vfio/trace.h
  GEN     hw/acpi/trace.h
  GEN     hw/arm/trace.h
  GEN     hw/alpha/trace.h
  GEN     hw/hppa/trace.h
  GEN     hw/xen/trace.h
  GEN     hw/ide/trace.h
  GEN     hw/tpm/trace.h
  GEN     ui/trace.h
  GEN     audio/trace.h
  GEN     net/trace.h
  GEN     target/arm/trace.h
  GEN     target/i386/trace.h
  GEN     target/mips/trace.h
  GEN     target/sparc/trace.h
  GEN     target/s390x/trace.h
  GEN     target/ppc/trace.h
  GEN     qom/trace.h
  GEN     linux-user/trace.h
  GEN     qapi/trace.h
  GEN     accel/tcg/trace.h
  GEN     accel/kvm/trace.h
  GEN     nbd/trace.h
  GEN     scsi/trace.h
  GEN     trace-root.c
  GEN     util/trace.c
  GEN     crypto/trace.c
  GEN     io/trace.c
  GEN     migration/trace.c
  GEN     block/trace.c
  GEN     chardev/trace.c
  GEN     hw/block/trace.c
  GEN     hw/block/dataplane/trace.c
  GEN     hw/char/trace.c
  GEN     hw/intc/trace.c
  GEN     hw/net/trace.c
  GEN     hw/rdma/trace.c
  GEN     hw/rdma/vmw/trace.c
  GEN     hw/virtio/trace.c
  GEN     hw/audio/trace.c
  GEN     hw/misc/trace.c
  GEN     hw/misc/macio/trace.c
  GEN     hw/usb/trace.c
  GEN     hw/scsi/trace.c
  GEN     hw/nvram/trace.c
  GEN     hw/display/trace.c
  GEN     hw/input/trace.c
  GEN     hw/timer/trace.c
  GEN     hw/dma/trace.c
  GEN     hw/sparc/trace.c
  GEN     hw/sparc64/trace.c
  GEN     hw/sd/trace.c
  GEN     hw/isa/trace.c
  GEN     hw/mem/trace.c
  GEN     hw/i386/trace.c
  GEN     hw/i386/xen/trace.c
  GEN     hw/9pfs/trace.c
  GEN     hw/ppc/trace.c
  GEN     hw/pci/trace.c
  GEN     hw/pci-host/trace.c
  GEN     hw/s390x/trace.c
  GEN     hw/vfio/trace.c
  GEN     hw/acpi/trace.c
  GEN     hw/arm/trace.c
  GEN     hw/alpha/trace.c
  GEN     hw/hppa/trace.c
  GEN     hw/xen/trace.c
  GEN     hw/ide/trace.c
  GEN     hw/tpm/trace.c
  GEN     ui/trace.c
  GEN     audio/trace.c
  GEN     net/trace.c
  GEN     target/arm/trace.c
  GEN     target/i386/trace.c
  GEN     target/mips/trace.c
  GEN     target/sparc/trace.c
  GEN     target/s390x/trace.c
  GEN     target/ppc/trace.c
  GEN     qom/trace.c
  GEN     linux-user/trace.c
  GEN     qapi/trace.c
  GEN     accel/tcg/trace.c
  GEN     accel/kvm/trace.c
  GEN     nbd/trace.c
  GEN     scsi/trace.c
  GEN     config-all-devices.mak
	 DEP /tmp/qemu-test/src/dtc/tests/dumptrees.c
	 DEP /tmp/qemu-test/src/dtc/tests/trees.S
	 DEP /tmp/qemu-test/src/dtc/tests/testutils.c
	 DEP /tmp/qemu-test/src/dtc/tests/value-labels.c
	 DEP /tmp/qemu-test/src/dtc/tests/asm_tree_dump.c
	 DEP /tmp/qemu-test/src/dtc/tests/truncated_property.c
	 DEP /tmp/qemu-test/src/dtc/tests/check_path.c
	 DEP /tmp/qemu-test/src/dtc/tests/overlay_bad_fixup.c
	 DEP /tmp/qemu-test/src/dtc/tests/overlay.c
	 DEP /tmp/qemu-test/src/dtc/tests/subnode_iterate.c
	 DEP /tmp/qemu-test/src/dtc/tests/property_iterate.c
	 DEP /tmp/qemu-test/src/dtc/tests/integer-expressions.c
	 DEP /tmp/qemu-test/src/dtc/tests/utilfdt_test.c
	 DEP /tmp/qemu-test/src/dtc/tests/path_offset_aliases.c
	 DEP /tmp/qemu-test/src/dtc/tests/add_subnode_with_nops.c
	 DEP /tmp/qemu-test/src/dtc/tests/dtbs_equal_unordered.c
	 DEP /tmp/qemu-test/src/dtc/tests/dtb_reverse.c
	 DEP /tmp/qemu-test/src/dtc/tests/dtbs_equal_ordered.c
	 DEP /tmp/qemu-test/src/dtc/tests/extra-terminating-null.c
	 DEP /tmp/qemu-test/src/dtc/tests/incbin.c
	 DEP /tmp/qemu-test/src/dtc/tests/boot-cpuid.c
	 DEP /tmp/qemu-test/src/dtc/tests/phandle_format.c
	 DEP /tmp/qemu-test/src/dtc/tests/path-references.c
	 DEP /tmp/qemu-test/src/dtc/tests/references.c
	 DEP /tmp/qemu-test/src/dtc/tests/string_escapes.c
	 DEP /tmp/qemu-test/src/dtc/tests/propname_escapes.c
	 DEP /tmp/qemu-test/src/dtc/tests/appendprop2.c
	 DEP /tmp/qemu-test/src/dtc/tests/appendprop1.c
	 DEP /tmp/qemu-test/src/dtc/tests/del_node.c
	 DEP /tmp/qemu-test/src/dtc/tests/del_property.c
	 DEP /tmp/qemu-test/src/dtc/tests/setprop.c
	 DEP /tmp/qemu-test/src/dtc/tests/set_name.c
	 DEP /tmp/qemu-test/src/dtc/tests/open_pack.c
	 DEP /tmp/qemu-test/src/dtc/tests/rw_tree1.c
	 DEP /tmp/qemu-test/src/dtc/tests/mangle-layout.c
	 DEP /tmp/qemu-test/src/dtc/tests/nopulate.c
	 DEP /tmp/qemu-test/src/dtc/tests/move_and_save.c
	 DEP /tmp/qemu-test/src/dtc/tests/sw_tree1.c
	 DEP /tmp/qemu-test/src/dtc/tests/nop_node.c
	 DEP /tmp/qemu-test/src/dtc/tests/stringlist.c
	 DEP /tmp/qemu-test/src/dtc/tests/setprop_inplace.c
	 DEP /tmp/qemu-test/src/dtc/tests/nop_property.c
	 DEP /tmp/qemu-test/src/dtc/tests/addr_size_cells.c
	 DEP /tmp/qemu-test/src/dtc/tests/notfound.c
	 DEP /tmp/qemu-test/src/dtc/tests/char_literal.c
	 DEP /tmp/qemu-test/src/dtc/tests/sized_cells.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_alias.c
	 DEP /tmp/qemu-test/src/dtc/tests/node_offset_by_compatible.c
	 DEP /tmp/qemu-test/src/dtc/tests/node_check_compatible.c
	 DEP /tmp/qemu-test/src/dtc/tests/node_offset_by_phandle.c
	 DEP /tmp/qemu-test/src/dtc/tests/node_offset_by_prop_value.c
	 DEP /tmp/qemu-test/src/dtc/tests/parent_offset.c
	 DEP /tmp/qemu-test/src/dtc/tests/supernode_atdepth_offset.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_path.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_phandle.c
	 DEP /tmp/qemu-test/src/dtc/tests/getprop.c
	 DEP /tmp/qemu-test/src/dtc/tests/path_offset.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_name.c
	 DEP /tmp/qemu-test/src/dtc/tests/subnode_offset.c
	 DEP /tmp/qemu-test/src/dtc/tests/find_property.c
	 DEP /tmp/qemu-test/src/dtc/tests/root_node.c
	 DEP /tmp/qemu-test/src/dtc/tests/get_mem_rsv.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_overlay.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_addresses.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_empty_tree.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_strerror.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_rw.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_sw.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_wip.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt_ro.c
	 DEP /tmp/qemu-test/src/dtc/libfdt/fdt.c
	 DEP /tmp/qemu-test/src/dtc/util.c
	 DEP /tmp/qemu-test/src/dtc/fdtoverlay.c
	 DEP /tmp/qemu-test/src/dtc/fdtput.c
	 DEP /tmp/qemu-test/src/dtc/fdtget.c
	 DEP /tmp/qemu-test/src/dtc/fdtdump.c
	 LEX convert-dtsv0-lexer.lex.c
	 DEP /tmp/qemu-test/src/dtc/srcpos.c
	 BISON dtc-parser.tab.c
	 LEX dtc-lexer.lex.c
	 DEP /tmp/qemu-test/src/dtc/treesource.c
	 DEP /tmp/qemu-test/src/dtc/livetree.c
	 DEP /tmp/qemu-test/src/dtc/fstree.c
	 DEP /tmp/qemu-test/src/dtc/flattree.c
	 DEP /tmp/qemu-test/src/dtc/dtc.c
	 DEP /tmp/qemu-test/src/dtc/data.c
	 DEP /tmp/qemu-test/src/dtc/checks.c
	 DEP convert-dtsv0-lexer.lex.c
	 DEP dtc-lexer.lex.c
	 DEP dtc-parser.tab.c
	CHK version_gen.h
	UPD version_gen.h
	 DEP /tmp/qemu-test/src/dtc/util.c
	 CC libfdt/fdt.o
	 CC libfdt/fdt_wip.o
	 CC libfdt/fdt_sw.o
	 CC libfdt/fdt_ro.o
	 CC libfdt/fdt_strerror.o
	 CC libfdt/fdt_rw.o
	 CC libfdt/fdt_empty_tree.o
	 CC libfdt/fdt_addresses.o
	 CC libfdt/fdt_overlay.o
	 AR libfdt/libfdt.a
x86_64-w64-mingw32-ar: creating libfdt/libfdt.a
a - libfdt/fdt.o
a - libfdt/fdt_ro.o
a - libfdt/fdt_wip.o
a - libfdt/fdt_sw.o
a - libfdt/fdt_rw.o
a - libfdt/fdt_strerror.o
a - libfdt/fdt_empty_tree.o
a - libfdt/fdt_addresses.o
a - libfdt/fdt_overlay.o
  RC      version.o
mkdir -p dtc/libfdt
mkdir -p dtc/tests
  GEN     qga/qapi-generated/qapi-gen
  CC      qapi/qapi-builtin-types.o
  CC      qapi/qapi-types-block-core.o
  CC      qapi/qapi-types.o
  CC      qapi/qapi-types-common.o
  CC      qapi/qapi-types-char.o
  CC      qapi/qapi-types-block.o
  CC      qapi/qapi-types-crypto.o
  CC      qapi/qapi-types-introspect.o
  CC      qapi/qapi-types-migration.o
  CC      qapi/qapi-types-misc.o
  CC      qapi/qapi-types-net.o
  CC      qapi/qapi-types-rocker.o
  CC      qapi/qapi-types-run-state.o
  CC      qapi/qapi-types-sockets.o
  CC      qapi/qapi-types-tpm.o
  CC      qapi/qapi-types-trace.o
  CC      qapi/qapi-types-transaction.o
  CC      qapi/qapi-types-ui.o
  CC      qapi/qapi-builtin-visit.o
  CC      qapi/qapi-visit.o
  CC      qapi/qapi-visit-block-core.o
  CC      qapi/qapi-visit-block.o
  CC      qapi/qapi-visit-char.o
  CC      qapi/qapi-visit-common.o
  CC      qapi/qapi-visit-crypto.o
  CC      qapi/qapi-visit-introspect.o
  CC      qapi/qapi-visit-migration.o
  CC      qapi/qapi-visit-misc.o
  CC      qapi/qapi-visit-net.o
  CC      qapi/qapi-visit-rocker.o
  CC      qapi/qapi-visit-run-state.o
  CC      qapi/qapi-visit-sockets.o
  CC      qapi/qapi-visit-tpm.o
  CC      qapi/qapi-visit-trace.o
  CC      qapi/qapi-visit-transaction.o
  CC      qapi/qapi-visit-ui.o
  CC      qapi/qapi-events.o
  CC      qapi/qapi-events-block-core.o
  CC      qapi/qapi-events-block.o
  CC      qapi/qapi-events-char.o
  CC      qapi/qapi-events-common.o
  CC      qapi/qapi-events-crypto.o
  CC      qapi/qapi-events-introspect.o
  CC      qapi/qapi-events-migration.o
  CC      qapi/qapi-events-misc.o
  CC      qapi/qapi-events-net.o
  CC      qapi/qapi-events-rocker.o
  CC      qapi/qapi-events-run-state.o
  CC      qapi/qapi-events-sockets.o
  CC      qapi/qapi-events-tpm.o
  CC      qapi/qapi-events-trace.o
  CC      qapi/qapi-events-transaction.o
  CC      qapi/qapi-events-ui.o
  CC      qapi/qapi-introspect.o
  CC      qapi/qapi-visit-core.o
  CC      qapi/qapi-dealloc-visitor.o
  CC      qapi/qobject-input-visitor.o
  CC      qapi/qobject-output-visitor.o
  CC      qapi/qmp-registry.o
  CC      qapi/qmp-dispatch.o
  CC      qapi/string-input-visitor.o
  CC      qapi/string-output-visitor.o
  CC      qapi/opts-visitor.o
  CC      qapi/qapi-clone-visitor.o
  CC      qapi/qmp-event.o
  CC      qapi/qapi-util.o
  CC      qobject/qnull.o
  CC      qobject/qnum.o
  CC      qobject/qstring.o
  CC      qobject/qdict.o
  CC      qobject/qlist.o
  CC      qobject/qbool.o
  CC      qobject/qlit.o
  CC      qobject/qjson.o
  CC      qobject/qobject.o
  CC      qobject/json-lexer.o
  CC      qobject/json-streamer.o
  CC      qobject/json-parser.o
  CC      trace/simple.o
  CC      trace/control.o
  CC      trace/qmp.o
  CC      util/osdep.o
  CC      util/cutils.o
  CC      util/qemu-timer-common.o
  CC      util/unicode.o
  CC      util/bufferiszero.o
  CC      util/lockcnt.o
  CC      util/aiocb.o
  CC      util/async.o
  CC      util/aio-wait.o
  CC      util/thread-pool.o
  CC      util/qemu-timer.o
  CC      util/main-loop.o
  CC      util/iohandler.o
  CC      util/aio-win32.o
  CC      util/event_notifier-win32.o
  CC      util/oslib-win32.o
  CC      util/qemu-thread-win32.o
  CC      util/envlist.o
  CC      util/path.o
  CC      util/module.o
  CC      util/host-utils.o
  CC      util/bitmap.o
  CC      util/bitops.o
  CC      util/hbitmap.o
  CC      util/fifo8.o
  CC      util/acl.o
  CC      util/cacheinfo.o
  CC      util/error.o
  CC      util/qemu-error.o
  CC      util/id.o
  CC      util/iov.o
  CC      util/qemu-config.o
  CC      util/qemu-sockets.o
  CC      util/uri.o
  CC      util/notify.o
  CC      util/qemu-option.o
  CC      util/qemu-progress.o
  CC      util/keyval.o
  CC      util/hexdump.o
  CC      util/crc32c.o
  CC      util/uuid.o
  CC      util/throttle.o
  CC      util/getauxval.o
  CC      util/readline.o
  CC      util/rcu.o
  CC      util/qemu-coroutine.o
  CC      util/qemu-coroutine-lock.o
  CC      util/qemu-coroutine-io.o
  CC      util/qemu-coroutine-sleep.o
  CC      util/coroutine-win32.o
  CC      util/buffer.o
  CC      util/timed-average.o
  CC      util/base64.o
  CC      util/log.o
  CC      util/pagesize.o
  CC      util/qdist.o
  CC      util/qht.o
  CC      util/range.o
  CC      util/stats64.o
  CC      util/systemd.o
  CC      trace-root.o
  CC      util/trace.o
  CC      crypto/trace.o
  CC      io/trace.o
  CC      migration/trace.o
  CC      block/trace.o
  CC      chardev/trace.o
  CC      hw/block/trace.o
  CC      hw/block/dataplane/trace.o
  CC      hw/char/trace.o
  CC      hw/intc/trace.o
  CC      hw/net/trace.o
  CC      hw/rdma/vmw/trace.o
  CC      hw/rdma/trace.o
  CC      hw/virtio/trace.o
  CC      hw/audio/trace.o
  CC      hw/misc/trace.o
  CC      hw/misc/macio/trace.o
  CC      hw/usb/trace.o
  CC      hw/scsi/trace.o
  CC      hw/nvram/trace.o
  CC      hw/display/trace.o
  CC      hw/input/trace.o
  CC      hw/timer/trace.o
  CC      hw/dma/trace.o
  CC      hw/sparc/trace.o
  CC      hw/sparc64/trace.o
  CC      hw/sd/trace.o
  CC      hw/isa/trace.o
  CC      hw/mem/trace.o
  CC      hw/i386/trace.o
  CC      hw/i386/xen/trace.o
  CC      hw/ppc/trace.o
  CC      hw/9pfs/trace.o
  CC      hw/pci/trace.o
  CC      hw/pci-host/trace.o
  CC      hw/s390x/trace.o
  CC      hw/vfio/trace.o
  CC      hw/acpi/trace.o
  CC      hw/arm/trace.o
  CC      hw/alpha/trace.o
  CC      hw/hppa/trace.o
  CC      hw/xen/trace.o
  CC      hw/ide/trace.o
  CC      hw/tpm/trace.o
  CC      ui/trace.o
  CC      audio/trace.o
  CC      net/trace.o
  CC      target/arm/trace.o
  CC      target/mips/trace.o
  CC      target/i386/trace.o
  CC      target/sparc/trace.o
  CC      target/s390x/trace.o
  CC      qom/trace.o
  CC      target/ppc/trace.o
  CC      linux-user/trace.o
  CC      qapi/trace.o
  CC      accel/tcg/trace.o
  CC      accel/kvm/trace.o
  CC      nbd/trace.o
  CC      scsi/trace.o
  CC      crypto/pbkdf-stub.o
  CC      stubs/arch-query-cpu-def.o
  CC      stubs/arch-query-cpu-model-expansion.o
  CC      stubs/arch-query-cpu-model-comparison.o
  CC      stubs/arch-query-cpu-model-baseline.o
  CC      stubs/bdrv-next-monitor-owned.o
  CC      stubs/blk-commit-all.o
  CC      stubs/blockdev-close-all-bdrv-states.o
  CC      stubs/clock-warp.o
  CC      stubs/cpu-get-icount.o
  CC      stubs/cpu-get-clock.o
  CC      stubs/dump.o
  CC      stubs/error-printf.o
  CC      stubs/fdset.o
  CC      stubs/gdbstub.o
  CC      stubs/get-vm-name.o
  CC      stubs/iothread.o
  CC      stubs/iothread-lock.o
  CC      stubs/is-daemonized.o
  CC      stubs/machine-init-done.o
  CC      stubs/migr-blocker.o
  CC      stubs/change-state-handler.o
  CC      stubs/monitor.o
  CC      stubs/notify-event.o
  CC      stubs/qtest.o
  CC      stubs/replay.o
  CC      stubs/runstate-check.o
  CC      stubs/set-fd-handler.o
  CC      stubs/slirp.o
  CC      stubs/sysbus.o
  CC      stubs/tpm.o
  CC      stubs/trace-control.o
  CC      stubs/uuid.o
  CC      stubs/vm-stop.o
  CC      stubs/vmstate.o
  CC      stubs/fd-register.o
  CC      stubs/qmp_pc_dimm.o
  CC      stubs/target-monitor-defs.o
  CC      stubs/target-get-monitor-def.o
  CC      stubs/pc_madt_cpu_entry.o
  CC      stubs/vmgenid.o
  CC      stubs/xen-common.o
  CC      stubs/pci-host-piix.o
  CC      stubs/xen-hvm.o
  CC      stubs/ram-block.o
  GEN     qemu-img-cmds.h
  CC      block.o
  CC      blockjob.o
  CC      qemu-io-cmds.o
  CC      replication.o
  CC      block/raw-format.o
  CC      block/qcow.o
  CC      block/vdi.o
  CC      block/vmdk.o
  CC      block/cloop.o
  CC      block/bochs.o
  CC      block/vpc.o
  CC      block/vvfat.o
  CC      block/dmg.o
  CC      block/qcow2.o
  CC      block/qcow2-cluster.o
  CC      block/qcow2-snapshot.o
  CC      block/qcow2-refcount.o
  CC      block/qcow2-cache.o
  CC      block/qcow2-bitmap.o
  CC      block/qed.o
  CC      block/qed-l2-cache.o
  CC      block/qed-table.o
  CC      block/qed-cluster.o
  CC      block/qed-check.o
  CC      block/vhdx.o
  CC      block/vhdx-endian.o
  CC      block/vhdx-log.o
  CC      block/quorum.o
  CC      block/parallels.o
  CC      block/blkdebug.o
  CC      block/blkverify.o
  CC      block/block-backend.o
  CC      block/blkreplay.o
  CC      block/snapshot.o
  CC      block/qapi.o
  CC      block/file-win32.o
  CC      block/win32-aio.o
  CC      block/null.o
  CC      block/mirror.o
  CC      block/commit.o
  CC      block/io.o
  CC      block/create.o
  CC      block/throttle-groups.o
  CC      block/nbd.o
  CC      block/nbd-client.o
  CC      block/sheepdog.o
  CC      block/dirty-bitmap.o
  CC      block/accounting.o
  CC      block/write-threshold.o
  CC      block/backup.o
  CC      block/replication.o
  CC      block/throttle.o
  CC      block/crypto.o
  CC      nbd/server.o
  CC      nbd/client.o
  CC      nbd/common.o
  CC      scsi/utils.o
  CC      block/curl.o
  CC      block/ssh.o
  CC      block/dmg-bz2.o
  CC      crypto/init.o
  CC      crypto/hash.o
  CC      crypto/hash-nettle.o
  CC      crypto/hmac.o
  CC      crypto/hmac-nettle.o
  CC      crypto/aes.o
  CC      crypto/desrfb.o
  CC      crypto/cipher.o
  CC      crypto/tlscreds.o
  CC      crypto/tlscredsanon.o
  CC      crypto/tlscredsx509.o
  CC      crypto/tlssession.o
  CC      crypto/secret.o
  CC      crypto/random-gnutls.o
  CC      crypto/pbkdf.o
  CC      crypto/pbkdf-nettle.o
  CC      crypto/ivgen.o
  CC      crypto/ivgen-plain.o
  CC      crypto/ivgen-essiv.o
  CC      crypto/ivgen-plain64.o
  CC      crypto/afsplit.o
  CC      crypto/xts.o
  CC      crypto/block.o
  CC      crypto/block-qcow.o
  CC      crypto/block-luks.o
  CC      io/channel.o
  CC      io/channel-buffer.o
  CC      io/channel-command.o
  CC      io/channel-file.o
  CC      io/channel-socket.o
  CC      io/channel-tls.o
  CC      io/channel-watch.o
  CC      io/channel-websock.o
  CC      io/channel-util.o
  CC      io/dns-resolver.o
  CC      io/net-listener.o
  CC      io/task.o
  CC      qom/object.o
  CC      qom/container.o
  CC      qom/qom-qobject.o
  CC      qom/object_interfaces.o
  CC      qemu-io.o
  CC      blockdev.o
  CC      blockdev-nbd.o
  CC      bootdevice.o
  CC      iothread.o
  CC      qdev-monitor.o
  CC      device-hotplug.o
  CC      os-win32.o
  CC      bt-host.o
  CC      bt-vhci.o
  CC      dma-helpers.o
  CC      vl.o
  CC      tpm.o
  CC      device_tree.o
  CC      qapi/qapi-commands.o
  CC      qapi/qapi-commands-block-core.o
  CC      qapi/qapi-commands-block.o
  CC      qapi/qapi-commands-char.o
  CC      qapi/qapi-commands-common.o
  CC      qapi/qapi-commands-crypto.o
  CC      qapi/qapi-commands-migration.o
  CC      qapi/qapi-commands-introspect.o
  CC      qapi/qapi-commands-misc.o
  CC      qapi/qapi-commands-net.o
  CC      qapi/qapi-commands-rocker.o
  CC      qapi/qapi-commands-run-state.o
  CC      qapi/qapi-commands-sockets.o
  CC      qapi/qapi-commands-tpm.o
  CC      qapi/qapi-commands-trace.o
  CC      qapi/qapi-commands-transaction.o
  CC      qapi/qapi-commands-ui.o
  CC      qmp.o
  CC      hmp.o
  CC      cpus-common.o
  CC      audio/audio.o
  CC      audio/noaudio.o
  CC      audio/wavaudio.o
  CC      audio/mixeng.o
  CC      audio/dsoundaudio.o
  CC      audio/audio_win_int.o
  CC      audio/wavcapture.o
  CC      backends/rng.o
  CC      backends/rng-egd.o
  CC      backends/tpm.o
  CC      backends/hostmem.o
  CC      backends/hostmem-ram.o
  CC      backends/cryptodev.o
  CC      backends/cryptodev-builtin.o
  CC      backends/cryptodev-vhost.o
  CC      block/stream.o
  CC      chardev/msmouse.o
  CC      chardev/wctablet.o
  CC      chardev/testdev.o
  CC      disas/arm.o
  CXX     disas/arm-a64.o
  CC      disas/i386.o
  CXX     disas/libvixl/vixl/utils.o
  CXX     disas/libvixl/vixl/compiler-intrinsics.o
  CXX     disas/libvixl/vixl/a64/instructions-a64.o
  CXX     disas/libvixl/vixl/a64/decoder-a64.o
  CXX     disas/libvixl/vixl/a64/disasm-a64.o
  CC      hw/acpi/core.o
  CC      hw/acpi/piix4.o
  CC      hw/acpi/pcihp.o
  CC      hw/acpi/ich9.o
  CC      hw/acpi/tco.o
  CC      hw/acpi/cpu_hotplug.o
  CC      hw/acpi/memory_hotplug.o
  CC      hw/acpi/cpu.o
  CC      hw/acpi/nvdimm.o
  CC      hw/acpi/vmgenid.o
  CC      hw/acpi/acpi_interface.o
  CC      hw/acpi/bios-linker-loader.o
  CC      hw/acpi/aml-build.o
  CC      hw/acpi/ipmi.o
  CC      hw/acpi/acpi-stub.o
  CC      hw/acpi/ipmi-stub.o
  CC      hw/audio/sb16.o
  CC      hw/audio/es1370.o
  CC      hw/audio/ac97.o
  CC      hw/audio/fmopl.o
  CC      hw/audio/adlib.o
  CC      hw/audio/gus.o
  CC      hw/audio/gusemu_hal.o
  CC      hw/audio/gusemu_mixer.o
  CC      hw/audio/cs4231a.o
  CC      hw/audio/intel-hda.o
  CC      hw/audio/hda-codec.o
  CC      hw/audio/pcspk.o
  CC      hw/audio/wm8750.o
  CC      hw/audio/pl041.o
  CC      hw/audio/lm4549.o
  CC      hw/audio/marvell_88w8618.o
  CC      hw/audio/soundhw.o
  CC      hw/block/block.o
  CC      hw/block/cdrom.o
  CC      hw/block/fdc.o
  CC      hw/block/hd-geometry.o
  CC      hw/block/nand.o
  CC      hw/block/m25p80.o
  CC      hw/block/pflash_cfi01.o
  CC      hw/block/pflash_cfi02.o
  CC      hw/block/ecc.o
  CC      hw/block/onenand.o
  CC      hw/block/nvme.o
  CC      hw/bt/core.o
  CC      hw/bt/l2cap.o
  CC      hw/bt/sdp.o
  CC      hw/bt/hci.o
  CC      hw/bt/hid.o
  CC      hw/bt/hci-csr.o
  CC      hw/char/ipoctal232.o
  CC      hw/char/parallel.o
  CC      hw/char/parallel-isa.o
  CC      hw/char/pl011.o
  CC      hw/char/serial.o
  CC      hw/char/serial-isa.o
  CC      hw/char/serial-pci.o
  CC      hw/char/virtio-console.o
  CC      hw/char/cadence_uart.o
  CC      hw/char/cmsdk-apb-uart.o
  CC      hw/char/debugcon.o
  CC      hw/char/imx_serial.o
  CC      hw/core/qdev.o
  CC      hw/core/qdev-properties.o
  CC      hw/core/reset.o
  CC      hw/core/bus.o
  CC      hw/core/qdev-fw.o
  CC      hw/core/fw-path-provider.o
  CC      hw/core/irq.o
  CC      hw/core/hotplug.o
  CC      hw/core/nmi.o
  CC      hw/core/stream.o
  CC      hw/core/ptimer.o
  CC      hw/core/sysbus.o
  CC      hw/core/machine.o
  CC      hw/core/loader.o
  CC      hw/core/qdev-properties-system.o
  CC      hw/core/register.o
  CC      hw/core/or-irq.o
  CC      hw/core/split-irq.o
  CC      hw/core/platform-bus.o
  CC      hw/cpu/core.o
  CC      hw/display/ads7846.o
  CC      hw/display/cirrus_vga.o
  CC      hw/display/pl110.o
  CC      hw/display/sii9022.o
  CC      hw/display/ssd0303.o
  CC      hw/display/ssd0323.o
  CC      hw/display/vga-pci.o
  CC      hw/display/vga-isa.o
  CC      hw/display/vmware_vga.o
  CC      hw/display/blizzard.o
  CC      hw/display/exynos4210_fimd.o
  CC      hw/display/framebuffer.o
  CC      hw/display/tc6393xb.o
  CC      hw/dma/pl080.o
  CC      hw/dma/pl330.o
  CC      hw/dma/i8257.o
  CC      hw/dma/xilinx_axidma.o
  CC      hw/dma/xlnx-zynq-devcfg.o
  CC      hw/gpio/max7310.o
  CC      hw/gpio/pl061.o
  CC      hw/gpio/zaurus.o
  CC      hw/gpio/gpio_key.o
  CC      hw/i2c/core.o
  CC      hw/i2c/smbus.o
  CC      hw/i2c/smbus_eeprom.o
  CC      hw/i2c/i2c-ddc.o
  CC      hw/i2c/versatile_i2c.o
  CC      hw/i2c/smbus_ich9.o
  CC      hw/i2c/pm_smbus.o
  CC      hw/i2c/bitbang_i2c.o
  CC      hw/i2c/exynos4210_i2c.o
  CC      hw/i2c/imx_i2c.o
  CC      hw/i2c/aspeed_i2c.o
  CC      hw/ide/core.o
  CC      hw/ide/atapi.o
  CC      hw/ide/qdev.o
  CC      hw/ide/pci.o
  CC      hw/ide/isa.o
  CC      hw/ide/piix.o
  CC      hw/ide/microdrive.o
  CC      hw/ide/ahci.o
  CC      hw/ide/ich.o
  CC      hw/ide/ahci-allwinner.o
  CC      hw/input/hid.o
  CC      hw/input/lm832x.o
  CC      hw/input/pckbd.o
  CC      hw/input/pl050.o
  CC      hw/input/ps2.o
  CC      hw/input/stellaris_input.o
  CC      hw/input/tsc2005.o
  CC      hw/input/virtio-input.o
  CC      hw/input/virtio-input-hid.o
  CC      hw/intc/i8259_common.o
  CC      hw/intc/i8259.o
  CC      hw/intc/pl190.o
  CC      hw/intc/xlnx-pmu-iomod-intc.o
  CC      hw/intc/xlnx-zynqmp-ipi.o
  CC      hw/intc/imx_avic.o
  CC      hw/intc/imx_gpcv2.o
  CC      hw/intc/ioapic_common.o
  CC      hw/intc/realview_gic.o
  CC      hw/intc/arm_gic_common.o
  CC      hw/intc/arm_gic.o
  CC      hw/intc/arm_gicv2m.o
  CC      hw/intc/arm_gicv3_common.o
  CC      hw/intc/arm_gicv3.o
  CC      hw/intc/arm_gicv3_dist.o
  CC      hw/intc/arm_gicv3_redist.o
  CC      hw/intc/arm_gicv3_its_common.o
  CC      hw/intc/intc.o
  CC      hw/ipack/ipack.o
  CC      hw/ipack/tpci200.o
  CC      hw/ipmi/ipmi.o
  CC      hw/ipmi/ipmi_bmc_sim.o
  CC      hw/ipmi/ipmi_bmc_extern.o
  CC      hw/ipmi/isa_ipmi_kcs.o
  CC      hw/ipmi/isa_ipmi_bt.o
  CC      hw/isa/isa-bus.o
  CC      hw/isa/isa-superio.o
  CC      hw/isa/smc37c669-superio.o
  CC      hw/isa/apm.o
  CC      hw/mem/pc-dimm.o
  CC      hw/mem/nvdimm.o
  CC      hw/misc/applesmc.o
  CC      hw/misc/max111x.o
  CC      hw/misc/tmp105.o
  CC      hw/misc/tmp421.o
  CC      hw/misc/debugexit.o
  CC      hw/misc/sga.o
  CC      hw/misc/pc-testdev.o
  CC      hw/misc/pci-testdev.o
  CC      hw/misc/edu.o
  CC      hw/misc/unimp.o
  CC      hw/misc/vmcoreinfo.o
  CC      hw/misc/arm_l2x0.o
  CC      hw/misc/arm_integrator_debug.o
  CC      hw/misc/a9scu.o
  CC      hw/misc/arm11scu.o
  CC      hw/net/ne2000.o
  CC      hw/net/eepro100.o
  CC      hw/net/pcnet-pci.o
  CC      hw/net/pcnet.o
  CC      hw/net/e1000.o
  CC      hw/net/e1000x_common.o
  CC      hw/net/net_tx_pkt.o
  CC      hw/net/net_rx_pkt.o
  CC      hw/net/e1000e.o
  CC      hw/net/e1000e_core.o
  CC      hw/net/rtl8139.o
  CC      hw/net/vmxnet3.o
  CC      hw/net/smc91c111.o
  CC      hw/net/lan9118.o
  CC      hw/net/ne2000-isa.o
  CC      hw/net/xgmac.o
  CC      hw/net/xilinx_axienet.o
  CC      hw/net/allwinner_emac.o
  CC      hw/net/imx_fec.o
  CC      hw/net/cadence_gem.o
  CC      hw/net/stellaris_enet.o
  CC      hw/net/ftgmac100.o
  CC      hw/net/rocker/rocker.o
  CC      hw/net/rocker/rocker_fp.o
  CC      hw/net/rocker/rocker_desc.o
  CC      hw/net/rocker/rocker_world.o
  CC      hw/net/rocker/rocker_of_dpa.o
  CC      hw/net/can/can_sja1000.o
  CC      hw/net/can/can_kvaser_pci.o
  CC      hw/net/can/can_pcm3680_pci.o
  CC      hw/net/can/can_mioe3680_pci.o
  CC      hw/nvram/eeprom93xx.o
  CC      hw/nvram/eeprom_at24c.o
  CC      hw/nvram/fw_cfg.o
  CC      hw/nvram/chrp_nvram.o
  CC      hw/pci-bridge/pci_bridge_dev.o
  CC      hw/pci-bridge/pcie_root_port.o
  CC      hw/pci-bridge/gen_pcie_root_port.o
  CC      hw/pci-bridge/pcie_pci_bridge.o
  CC      hw/pci-bridge/pci_expander_bridge.o
  CC      hw/pci-bridge/xio3130_upstream.o
  CC      hw/pci-bridge/xio3130_downstream.o
  CC      hw/pci-bridge/ioh3420.o
  CC      hw/pci-bridge/i82801b11.o
  CC      hw/pci-host/pam.o
  CC      hw/pci-host/versatile.o
  CC      hw/pci-host/piix.o
  CC      hw/pci-host/q35.o
  CC      hw/pci-host/gpex.o
  CC      hw/pci-host/designware.o
  CC      hw/pci/pci.o
  CC      hw/pci/pci_bridge.o
  CC      hw/pci/msix.o
  CC      hw/pci/msi.o
  CC      hw/pci/shpc.o
  CC      hw/pci/slotid_cap.o
  CC      hw/pci/pci_host.o
  CC      hw/pci/pcie_host.o
  CC      hw/pci/pcie.o
  CC      hw/pci/pcie_aer.o
  CC      hw/pci/pcie_port.o
  CC      hw/pci/pci-stub.o
  CC      hw/pcmcia/pcmcia.o
  CC      hw/scsi/scsi-disk.o
  CC      hw/scsi/scsi-generic.o
  CC      hw/scsi/scsi-bus.o
  CC      hw/scsi/lsi53c895a.o
  CC      hw/scsi/mptsas.o
  CC      hw/scsi/mptconfig.o
  CC      hw/scsi/mptendian.o
  CC      hw/scsi/megasas.o
  CC      hw/scsi/vmw_pvscsi.o
  CC      hw/scsi/esp.o
  CC      hw/scsi/esp-pci.o
  CC      hw/sd/pl181.o
  CC      hw/sd/ssi-sd.o
  CC      hw/sd/sd.o
  CC      hw/sd/core.o
  CC      hw/sd/sdmmc-internal.o
  CC      hw/sd/sdhci.o
  CC      hw/smbios/smbios.o
  CC      hw/smbios/smbios_type_38.o
  CC      hw/smbios/smbios-stub.o
  CC      hw/smbios/smbios_type_38-stub.o
  CC      hw/ssi/pl022.o
  CC      hw/ssi/ssi.o
  CC      hw/ssi/xilinx_spips.o
  CC      hw/ssi/aspeed_smc.o
  CC      hw/ssi/stm32f2xx_spi.o
  CC      hw/ssi/mss-spi.o
  CC      hw/timer/arm_timer.o
  CC      hw/timer/arm_mptimer.o
  CC      hw/timer/armv7m_systick.o
  CC      hw/timer/a9gtimer.o
  CC      hw/timer/cadence_ttc.o
  CC      hw/timer/ds1338.o
  CC      hw/timer/hpet.o
  CC      hw/timer/i8254_common.o
  CC      hw/timer/i8254.o
  CC      hw/timer/pl031.o
  CC      hw/timer/twl92230.o
  CC      hw/timer/imx_epit.o
  CC      hw/timer/imx_gpt.o
  CC      hw/timer/xlnx-zynqmp-rtc.o
  CC      hw/timer/stm32f2xx_timer.o
  CC      hw/timer/aspeed_timer.o
  CC      hw/timer/cmsdk-apb-timer.o
  CC      hw/timer/mss-timer.o
  CC      hw/tpm/tpm_util.o
  CC      hw/tpm/tpm_tis.o
  CC      hw/tpm/tpm_crb.o
  CC      hw/usb/core.o
  CC      hw/usb/combined-packet.o
  CC      hw/usb/bus.o
  CC      hw/usb/libhw.o
  CC      hw/usb/desc.o
  CC      hw/usb/desc-msos.o
  CC      hw/usb/hcd-uhci.o
  CC      hw/usb/hcd-ohci.o
  CC      hw/usb/hcd-ehci.o
  CC      hw/usb/hcd-ehci-pci.o
  CC      hw/usb/hcd-ehci-sysbus.o
  CC      hw/usb/hcd-xhci.o
  CC      hw/usb/hcd-xhci-nec.o
  CC      hw/usb/hcd-musb.o
  CC      hw/usb/dev-hub.o
  CC      hw/usb/dev-hid.o
  CC      hw/usb/dev-wacom.o
  CC      hw/usb/dev-storage.o
  CC      hw/usb/dev-uas.o
  CC      hw/usb/dev-audio.o
  CC      hw/usb/dev-serial.o
  CC      hw/usb/dev-network.o
  CC      hw/usb/dev-bluetooth.o
  CC      hw/usb/dev-smartcard-reader.o
  CC      hw/usb/host-stub.o
  CC      hw/virtio/virtio-rng.o
  CC      hw/virtio/virtio-pci.o
  CC      hw/virtio/virtio-bus.o
  CC      hw/virtio/virtio-mmio.o
  CC      hw/virtio/vhost-stub.o
  CC      hw/watchdog/watchdog.o
  CC      hw/watchdog/wdt_i6300esb.o
  CC      hw/watchdog/wdt_ib700.o
  CC      hw/watchdog/wdt_aspeed.o
  CC      migration/migration.o
  CC      migration/socket.o
  CC      migration/fd.o
  CC      migration/exec.o
  CC      migration/tls.o
  CC      migration/channel.o
  CC      migration/savevm.o
  CC      migration/colo-comm.o
  CC      migration/colo.o
  CC      migration/colo-failover.o
  CC      migration/vmstate.o
  CC      migration/vmstate-types.o
  CC      migration/page_cache.o
  CC      migration/qemu-file.o
  CC      migration/global_state.o
  CC      migration/qemu-file-channel.o
  CC      migration/xbzrle.o
  CC      migration/postcopy-ram.o
  CC      migration/qjson.o
  CC      migration/block-dirty-bitmap.o
  CC      net/net.o
  CC      migration/block.o
  CC      net/queue.o
  CC      net/checksum.o
  CC      net/util.o
  CC      net/hub.o
  CC      net/socket.o
  CC      net/dump.o
  CC      net/eth.o
  CC      net/slirp.o
  CC      net/filter.o
  CC      net/filter-buffer.o
  CC      net/filter-mirror.o
  CC      net/colo-compare.o
  CC      net/colo.o
  CC      net/filter-rewriter.o
  CC      net/filter-replay.o
  CC      net/tap-win32.o
  CC      net/can/can_core.o
  CC      net/can/can_host.o
  CC      qom/cpu.o
  CC      replay/replay.o
  CC      replay/replay-internal.o
  CC      replay/replay-events.o
  CC      replay/replay-time.o
  CC      replay/replay-input.o
  CC      replay/replay-char.o
  CC      replay/replay-snapshot.o
  CC      replay/replay-net.o
  CC      replay/replay-audio.o
  CC      slirp/cksum.o
  CC      slirp/if.o
  CC      slirp/ip_icmp.o
  CC      slirp/ip6_icmp.o
  CC      slirp/ip6_input.o
  CC      slirp/ip6_output.o
  CC      slirp/ip_input.o
  CC      slirp/ip_output.o
  CC      slirp/dnssearch.o
  CC      slirp/dhcpv6.o
  CC      slirp/slirp.o
  CC      slirp/mbuf.o
  CC      slirp/misc.o
  CC      slirp/sbuf.o
  CC      slirp/socket.o
  CC      slirp/tcp_input.o
  CC      slirp/tcp_output.o
  CC      slirp/tcp_subr.o
  CC      slirp/tcp_timer.o
  CC      slirp/udp.o
  CC      slirp/udp6.o
  CC      slirp/bootp.o
  CC      slirp/tftp.o
  CC      slirp/arp_table.o
  CC      slirp/ndp_table.o
  CC      slirp/ncsi.o
  CC      ui/keymaps.o
  CC      ui/console.o
  CC      ui/cursor.o
  CC      ui/qemu-pixman.o
  CC      ui/input.o
  CC      ui/input-keymap.o
  CC      ui/input-legacy.o
  CC      ui/vnc.o
  CC      ui/vnc-enc-zlib.o
  CC      ui/vnc-enc-hextile.o
  CC      ui/vnc-enc-tight.o
  CC      ui/vnc-palette.o
  CC      ui/vnc-enc-zrle.o
  CC      ui/vnc-auth-vencrypt.o
  CC      ui/vnc-ws.o
  CC      ui/vnc-jobs.o
  CC      ui/sdl.o
  CC      ui/sdl_zoom.o
  CC      ui/gtk.o
  CC      chardev/char.o
  CC      chardev/char-console.o
  CC      chardev/char-fe.o
  CC      chardev/char-io.o
  CC      chardev/char-file.o
  CC      chardev/char-mux.o
  CC      chardev/char-null.o
  CC      chardev/char-pipe.o
  CC      chardev/char-ringbuf.o
  CC      chardev/char-serial.o
  CC      chardev/char-socket.o
  CC      chardev/char-stdio.o
  CC      chardev/char-udp.o
  CC      chardev/char-win.o
  CC      chardev/char-win-stdio.o
  CC      qga/commands.o
  CC      qga/guest-agent-command-state.o
  CC      qga/main.o
  CC      qga/commands-win32.o
  CC      qga/channel-win32.o
  CC      qga/service-win32.o
  CC      qga/vss-win32.o
  CC      qga/qapi-generated/qga-qapi-types.o
  CC      qga/qapi-generated/qga-qapi-visit.o
  AS      optionrom/multiboot.o
  CC      qga/qapi-generated/qga-qapi-commands.o
  AR      libqemuutil.a
  CC      qemu-img.o
  AS      optionrom/linuxboot.o
  CC      optionrom/linuxboot_dma.o
  AS      optionrom/kvmvapic.o
  BUILD   optionrom/multiboot.img
  BUILD   optionrom/kvmvapic.img
  BUILD   optionrom/multiboot.raw
  BUILD   optionrom/linuxboot.img
  BUILD   optionrom/kvmvapic.raw
  BUILD   optionrom/linuxboot_dma.img
  BUILD   optionrom/linuxboot.raw
  BUILD   optionrom/linuxboot_dma.raw
  SIGN    optionrom/multiboot.bin
  SIGN    optionrom/linuxboot_dma.bin
  SIGN    optionrom/linuxboot.bin
  SIGN    optionrom/kvmvapic.bin
  LINK    qemu-io.exe
  LINK    qemu-img.exe
  LINK    qemu-ga.exe
  GEN     x86_64-softmmu/hmp-commands.h
  GEN     x86_64-softmmu/hmp-commands-info.h
  GEN     x86_64-softmmu/config-target.h
  GEN     aarch64-softmmu/hmp-commands.h
  GEN     aarch64-softmmu/hmp-commands-info.h
  GEN     aarch64-softmmu/config-target.h
  CC      x86_64-softmmu/exec.o
  CC      x86_64-softmmu/tcg/tcg-op-vec.o
  CC      x86_64-softmmu/tcg/tcg-op.o
  CC      x86_64-softmmu/tcg/tcg-op-gvec.o
  CC      x86_64-softmmu/tcg/tcg.o
  CC      x86_64-softmmu/tcg/tcg-common.o
  CC      x86_64-softmmu/tcg/optimize.o
  CC      x86_64-softmmu/fpu/softfloat.o
  CC      aarch64-softmmu/exec.o
  CC      x86_64-softmmu/disas.o
  GEN     x86_64-softmmu/gdbstub-xml.c
  CC      x86_64-softmmu/arch_init.o
  CC      x86_64-softmmu/cpus.o
  CC      x86_64-softmmu/monitor.o
  CC      x86_64-softmmu/gdbstub.o
  CC      x86_64-softmmu/balloon.o
  CC      x86_64-softmmu/ioport.o
  CC      x86_64-softmmu/numa.o
  CC      x86_64-softmmu/qtest.o
  CC      x86_64-softmmu/memory.o
  CC      x86_64-softmmu/memory_mapping.o
  CC      x86_64-softmmu/dump.o
  CC      x86_64-softmmu/migration/ram.o
  CC      x86_64-softmmu/accel/accel.o
  CC      x86_64-softmmu/accel/stubs/hvf-stub.o
  CC      x86_64-softmmu/accel/stubs/whpx-stub.o
  CC      x86_64-softmmu/accel/stubs/kvm-stub.o
  CC      x86_64-softmmu/accel/tcg/tcg-all.o
  CC      x86_64-softmmu/accel/tcg/cputlb.o
  CC      x86_64-softmmu/accel/tcg/tcg-runtime.o
  CC      x86_64-softmmu/accel/tcg/tcg-runtime-gvec.o
  CC      x86_64-softmmu/accel/tcg/cpu-exec.o
  CC      x86_64-softmmu/accel/tcg/cpu-exec-common.o
  CC      x86_64-softmmu/accel/tcg/translate-all.o
  CC      aarch64-softmmu/tcg/tcg.o
  CC      aarch64-softmmu/tcg/tcg-op.o
  CC      aarch64-softmmu/tcg/tcg-op-vec.o
  CC      aarch64-softmmu/tcg/tcg-op-gvec.o
  CC      aarch64-softmmu/tcg/tcg-common.o
  CC      x86_64-softmmu/accel/tcg/translator.o
  CC      aarch64-softmmu/tcg/optimize.o
  CC      aarch64-softmmu/fpu/softfloat.o
  CC      aarch64-softmmu/disas.o
  CC      x86_64-softmmu/hw/block/virtio-blk.o
  CC      x86_64-softmmu/hw/block/dataplane/virtio-blk.o
  GEN     aarch64-softmmu/gdbstub-xml.c
  CC      aarch64-softmmu/arch_init.o
  CC      aarch64-softmmu/cpus.o
  CC      x86_64-softmmu/hw/char/virtio-serial-bus.o
  CC      x86_64-softmmu/hw/core/generic-loader.o
  CC      aarch64-softmmu/monitor.o
  CC      aarch64-softmmu/gdbstub.o
  CC      aarch64-softmmu/balloon.o
  CC      x86_64-softmmu/hw/core/null-machine.o
  CC      aarch64-softmmu/ioport.o
  CC      x86_64-softmmu/hw/display/vga.o
  CC      x86_64-softmmu/hw/display/virtio-gpu.o
  CC      x86_64-softmmu/hw/display/virtio-gpu-3d.o
  CC      aarch64-softmmu/numa.o
  CC      x86_64-softmmu/hw/display/virtio-gpu-pci.o
  CC      aarch64-softmmu/qtest.o
  CC      x86_64-softmmu/hw/display/virtio-vga.o
  CC      x86_64-softmmu/hw/intc/apic.o
  CC      x86_64-softmmu/hw/intc/apic_common.o
  CC      x86_64-softmmu/hw/intc/ioapic.o
  CC      aarch64-softmmu/memory.o
  CC      x86_64-softmmu/hw/isa/lpc_ich9.o
  CC      x86_64-softmmu/hw/misc/pvpanic.o
  CC      x86_64-softmmu/hw/misc/mmio_interface.o
  CC      aarch64-softmmu/memory_mapping.o
  CC      aarch64-softmmu/dump.o
  CC      aarch64-softmmu/migration/ram.o
  CC      aarch64-softmmu/accel/accel.o
  CC      aarch64-softmmu/accel/stubs/hax-stub.o
  CC      aarch64-softmmu/accel/stubs/hvf-stub.o
  CC      aarch64-softmmu/accel/stubs/whpx-stub.o
  CC      x86_64-softmmu/hw/net/virtio-net.o
  CC      aarch64-softmmu/accel/stubs/kvm-stub.o
  CC      aarch64-softmmu/accel/tcg/tcg-all.o
  CC      aarch64-softmmu/accel/tcg/cputlb.o
  CC      aarch64-softmmu/accel/tcg/tcg-runtime.o
  CC      aarch64-softmmu/accel/tcg/tcg-runtime-gvec.o
  CC      aarch64-softmmu/accel/tcg/cpu-exec.o
  CC      aarch64-softmmu/accel/tcg/cpu-exec-common.o
  CC      aarch64-softmmu/accel/tcg/translate-all.o
  CC      aarch64-softmmu/accel/tcg/translator.o
  CC      aarch64-softmmu/hw/adc/stm32f2xx_adc.o
  CC      aarch64-softmmu/hw/block/virtio-blk.o
  CC      aarch64-softmmu/hw/block/dataplane/virtio-blk.o
  CC      aarch64-softmmu/hw/char/exynos4210_uart.o
  CC      x86_64-softmmu/hw/net/vhost_net.o
  CC      aarch64-softmmu/hw/char/omap_uart.o
  CC      x86_64-softmmu/hw/scsi/virtio-scsi.o
  CC      aarch64-softmmu/hw/char/digic-uart.o
  CC      aarch64-softmmu/hw/char/stm32f2xx_usart.o
  CC      aarch64-softmmu/hw/char/bcm2835_aux.o
  CC      x86_64-softmmu/hw/scsi/virtio-scsi-dataplane.o
  CC      aarch64-softmmu/hw/char/virtio-serial-bus.o
  CC      aarch64-softmmu/hw/core/generic-loader.o
  CC      x86_64-softmmu/hw/timer/mc146818rtc.o
  CC      x86_64-softmmu/hw/virtio/virtio.o
  CC      x86_64-softmmu/hw/virtio/virtio-balloon.o
  CC      aarch64-softmmu/hw/core/null-machine.o
  CC      x86_64-softmmu/hw/virtio/virtio-crypto.o
  CC      aarch64-softmmu/hw/cpu/arm11mpcore.o
  CC      aarch64-softmmu/hw/cpu/realview_mpcore.o
  CC      x86_64-softmmu/hw/virtio/virtio-crypto-pci.o
  CC      x86_64-softmmu/hw/i386/multiboot.o
  CC      x86_64-softmmu/hw/i386/pc.o
  CC      x86_64-softmmu/hw/i386/pc_piix.o
  CC      x86_64-softmmu/hw/i386/pc_q35.o
  CC      x86_64-softmmu/hw/i386/pc_sysfw.o
  CC      aarch64-softmmu/hw/cpu/a9mpcore.o
  CC      x86_64-softmmu/hw/i386/x86-iommu.o
  CC      aarch64-softmmu/hw/cpu/a15mpcore.o
  CC      x86_64-softmmu/hw/i386/intel_iommu.o
  CC      x86_64-softmmu/hw/i386/amd_iommu.o
  CC      x86_64-softmmu/hw/i386/vmport.o
  CC      x86_64-softmmu/hw/i386/vmmouse.o
  CC      x86_64-softmmu/hw/i386/kvmvapic.o
  CC      x86_64-softmmu/hw/i386/acpi-build.o
  CC      x86_64-softmmu/target/i386/helper.o
  CC      x86_64-softmmu/target/i386/cpu.o
  CC      x86_64-softmmu/target/i386/gdbstub.o
  CC      x86_64-softmmu/target/i386/xsave_helper.o
  CC      x86_64-softmmu/target/i386/translate.o
  CC      x86_64-softmmu/target/i386/bpt_helper.o
  CC      x86_64-softmmu/target/i386/cc_helper.o
  CC      aarch64-softmmu/hw/display/omap_dss.o
  CC      x86_64-softmmu/target/i386/excp_helper.o
  CC      x86_64-softmmu/target/i386/fpu_helper.o
  CC      aarch64-softmmu/hw/display/omap_lcdc.o
/tmp/qemu-test/src/hw/virtio/virtio.c: In function 'virtqueue_get_avail_bytes':
/tmp/qemu-test/src/hw/virtio/virtio.c:1050:17: error: 'i' may be used uninitialized in this function [-Werror=maybe-uninitialized]
                 vring_desc_read_packed(vdev, &desc, desc_cache,
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                        ++i % vq->packed.num);
                                        ~~~~~~~~~~~~~~~~~~~~~
/tmp/qemu-test/src/hw/virtio/virtio.c:1002:22: note: 'i' was declared here
         unsigned int i;
                      ^
cc1: all warnings being treated as errors
make[1]: *** [/tmp/qemu-test/src/rules.mak:66: hw/virtio/virtio.o] Error 1
make[1]: *** Waiting for unfinished jobs....
  CC      aarch64-softmmu/hw/display/pxa2xx_lcd.o
  CC      aarch64-softmmu/hw/display/bcm2835_fb.o
  CC      aarch64-softmmu/hw/display/vga.o
  CC      aarch64-softmmu/hw/display/virtio-gpu.o
  CC      aarch64-softmmu/hw/display/virtio-gpu-3d.o
  CC      aarch64-softmmu/hw/display/virtio-gpu-pci.o
  CC      aarch64-softmmu/hw/display/dpcd.o
  CC      aarch64-softmmu/hw/display/xlnx_dp.o
  CC      aarch64-softmmu/hw/dma/xlnx_dpdma.o
make: *** [Makefile:478: subdir-x86_64-softmmu] Error 2
make: *** Waiting for unfinished jobs....
  CC      aarch64-softmmu/hw/dma/omap_dma.o
  CC      aarch64-softmmu/hw/dma/soc_dma.o
  CC      aarch64-softmmu/hw/dma/pxa2xx_dma.o
  CC      aarch64-softmmu/hw/dma/bcm2835_dma.o
  CC      aarch64-softmmu/hw/gpio/omap_gpio.o
  CC      aarch64-softmmu/hw/gpio/imx_gpio.o
  CC      aarch64-softmmu/hw/gpio/bcm2835_gpio.o
  CC      aarch64-softmmu/hw/i2c/omap_i2c.o
  CC      aarch64-softmmu/hw/input/pxa2xx_keypad.o
  CC      aarch64-softmmu/hw/input/tsc210x.o
  CC      aarch64-softmmu/hw/intc/armv7m_nvic.o
  CC      aarch64-softmmu/hw/intc/exynos4210_gic.o
  CC      aarch64-softmmu/hw/intc/exynos4210_combiner.o
  CC      aarch64-softmmu/hw/intc/omap_intc.o
  CC      aarch64-softmmu/hw/intc/bcm2835_ic.o
  CC      aarch64-softmmu/hw/intc/allwinner-a10-pic.o
  CC      aarch64-softmmu/hw/intc/bcm2836_control.o
  CC      aarch64-softmmu/hw/intc/aspeed_vic.o
  CC      aarch64-softmmu/hw/intc/arm_gicv3_cpuif.o
  CC      aarch64-softmmu/hw/misc/arm_sysctl.o
  CC      aarch64-softmmu/hw/misc/cbus.o
  CC      aarch64-softmmu/hw/misc/exynos4210_pmu.o
  CC      aarch64-softmmu/hw/misc/exynos4210_clk.o
  CC      aarch64-softmmu/hw/misc/exynos4210_rng.o
  CC      aarch64-softmmu/hw/misc/imx_ccm.o
  CC      aarch64-softmmu/hw/misc/imx31_ccm.o
  CC      aarch64-softmmu/hw/misc/imx25_ccm.o
  CC      aarch64-softmmu/hw/misc/imx6_ccm.o
  CC      aarch64-softmmu/hw/misc/imx6_src.o
  CC      aarch64-softmmu/hw/misc/imx7_ccm.o
  CC      aarch64-softmmu/hw/misc/imx2_wdt.o
  CC      aarch64-softmmu/hw/misc/imx7_snvs.o
  CC      aarch64-softmmu/hw/misc/imx7_gpr.o
  CC      aarch64-softmmu/hw/misc/mst_fpga.o
  CC      aarch64-softmmu/hw/misc/omap_clk.o
  CC      aarch64-softmmu/hw/misc/omap_gpmc.o
  CC      aarch64-softmmu/hw/misc/omap_l4.o
  CC      aarch64-softmmu/hw/misc/omap_sdrc.o
  CC      aarch64-softmmu/hw/misc/omap_tap.o
  CC      aarch64-softmmu/hw/misc/bcm2835_mbox.o
  CC      aarch64-softmmu/hw/misc/bcm2835_property.o
  CC      aarch64-softmmu/hw/misc/bcm2835_rng.o
  CC      aarch64-softmmu/hw/misc/zynq_slcr.o
  CC      aarch64-softmmu/hw/misc/zynq-xadc.o
  CC      aarch64-softmmu/hw/misc/stm32f2xx_syscfg.o
  CC      aarch64-softmmu/hw/misc/mps2-fpgaio.o
  CC      aarch64-softmmu/hw/misc/mps2-scc.o
  CC      aarch64-softmmu/hw/misc/tz-ppc.o
  CC      aarch64-softmmu/hw/misc/iotkit-secctl.o
  CC      aarch64-softmmu/hw/misc/auxbus.o
  CC      aarch64-softmmu/hw/misc/aspeed_scu.o
  CC      aarch64-softmmu/hw/misc/aspeed_sdmc.o
  CC      aarch64-softmmu/hw/misc/mmio_interface.o
  CC      aarch64-softmmu/hw/misc/msf2-sysreg.o
  CC      aarch64-softmmu/hw/net/virtio-net.o
  CC      aarch64-softmmu/hw/net/vhost_net.o
  CC      aarch64-softmmu/hw/pcmcia/pxa2xx.o
  CC      aarch64-softmmu/hw/scsi/virtio-scsi.o
  CC      aarch64-softmmu/hw/scsi/virtio-scsi-dataplane.o
  CC      aarch64-softmmu/hw/sd/omap_mmc.o
  CC      aarch64-softmmu/hw/sd/pxa2xx_mmci.o
  CC      aarch64-softmmu/hw/sd/bcm2835_sdhost.o
  CC      aarch64-softmmu/hw/ssi/omap_spi.o
  CC      aarch64-softmmu/hw/ssi/imx_spi.o
  CC      aarch64-softmmu/hw/timer/exynos4210_mct.o
  CC      aarch64-softmmu/hw/timer/exynos4210_pwm.o
  CC      aarch64-softmmu/hw/timer/exynos4210_rtc.o
  CC      aarch64-softmmu/hw/timer/omap_gptimer.o
  CC      aarch64-softmmu/hw/timer/omap_synctimer.o
  CC      aarch64-softmmu/hw/timer/pxa2xx_timer.o
  CC      aarch64-softmmu/hw/timer/digic-timer.o
  CC      aarch64-softmmu/hw/timer/allwinner-a10-pit.o
  CC      aarch64-softmmu/hw/usb/tusb6010.o
  CC      aarch64-softmmu/hw/usb/chipidea.o
  CC      aarch64-softmmu/hw/virtio/virtio.o
  CC      aarch64-softmmu/hw/virtio/virtio-balloon.o
  CC      aarch64-softmmu/hw/virtio/virtio-crypto.o
  CC      aarch64-softmmu/hw/virtio/virtio-crypto-pci.o
  CC      aarch64-softmmu/hw/arm/boot.o
  CC      aarch64-softmmu/hw/arm/virt.o
  CC      aarch64-softmmu/hw/arm/sysbus-fdt.o
  CC      aarch64-softmmu/hw/arm/virt-acpi-build.o
  CC      aarch64-softmmu/hw/arm/digic_boards.o
  CC      aarch64-softmmu/hw/arm/exynos4_boards.o
  CC      aarch64-softmmu/hw/arm/highbank.o
  CC      aarch64-softmmu/hw/arm/integratorcp.o
  CC      aarch64-softmmu/hw/arm/mainstone.o
  CC      aarch64-softmmu/hw/arm/musicpal.o
  CC      aarch64-softmmu/hw/arm/netduino2.o
  CC      aarch64-softmmu/hw/arm/nseries.o
  CC      aarch64-softmmu/hw/arm/omap_sx1.o
  CC      aarch64-softmmu/hw/arm/palm.o
  CC      aarch64-softmmu/hw/arm/gumstix.o
  CC      aarch64-softmmu/hw/arm/spitz.o
  CC      aarch64-softmmu/hw/arm/tosa.o
  CC      aarch64-softmmu/hw/arm/z2.o
  CC      aarch64-softmmu/hw/arm/realview.o
  CC      aarch64-softmmu/hw/arm/stellaris.o
  CC      aarch64-softmmu/hw/arm/collie.o
  CC      aarch64-softmmu/hw/arm/vexpress.o
  CC      aarch64-softmmu/hw/arm/versatilepb.o
  CC      aarch64-softmmu/hw/arm/xilinx_zynq.o
  CC      aarch64-softmmu/hw/arm/armv7m.o
  CC      aarch64-softmmu/hw/arm/exynos4210.o
  CC      aarch64-softmmu/hw/arm/pxa2xx.o
  CC      aarch64-softmmu/hw/arm/pxa2xx_gpio.o
  CC      aarch64-softmmu/hw/arm/pxa2xx_pic.o
  CC      aarch64-softmmu/hw/arm/digic.o
  CC      aarch64-softmmu/hw/arm/omap1.o
  CC      aarch64-softmmu/hw/arm/omap2.o
  CC      aarch64-softmmu/hw/arm/strongarm.o
  CC      aarch64-softmmu/hw/arm/allwinner-a10.o
  CC      aarch64-softmmu/hw/arm/cubieboard.o
  CC      aarch64-softmmu/hw/arm/bcm2835_peripherals.o
  CC      aarch64-softmmu/hw/arm/bcm2836.o
  CC      aarch64-softmmu/hw/arm/raspi.o
  CC      aarch64-softmmu/hw/arm/stm32f205_soc.o
  CC      aarch64-softmmu/hw/arm/xlnx-zynqmp.o
  CC      aarch64-softmmu/hw/arm/xlnx-zcu102.o
/tmp/qemu-test/src/hw/virtio/virtio.c: In function 'virtqueue_get_avail_bytes':
/tmp/qemu-test/src/hw/virtio/virtio.c:1050:17: error: 'i' may be used uninitialized in this function [-Werror=maybe-uninitialized]
                 vring_desc_read_packed(vdev, &desc, desc_cache,
                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                        ++i % vq->packed.num);
                                        ~~~~~~~~~~~~~~~~~~~~~
/tmp/qemu-test/src/hw/virtio/virtio.c:1002:22: note: 'i' was declared here
         unsigned int i;
                      ^
cc1: all warnings being treated as errors
make[1]: *** [/tmp/qemu-test/src/rules.mak:66: hw/virtio/virtio.o] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:478: subdir-aarch64-softmmu] Error 2
Traceback (most recent call last):
  File "./tests/docker/docker.py", line 407, in <module>
    sys.exit(main())
  File "./tests/docker/docker.py", line 404, in main
    return args.cmdobj.run(args, argv)
  File "./tests/docker/docker.py", line 261, in run
    return Docker().run(argv, args.keep, quiet=args.quiet)
  File "./tests/docker/docker.py", line 229, in run
    quiet=quiet)
  File "./tests/docker/docker.py", line 147, in _do_check
    return subprocess.check_call(self._command + cmd, **kwargs)
  File "/usr/lib64/python2.7/subprocess.py", line 186, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['docker', 'run', '--label', 'com.qemu.instance.uuid=c3aa1f38380911e8aa8152540069c830', '-u', '0', '--security-opt', 'seccomp=unconfined', '--rm', '--net=none', '-e', 'TARGET_LIST=', '-e', 'EXTRA_CONFIGURE_OPTS=', '-e', 'V=', '-e', 'J=8', '-e', 'DEBUG=', '-e', 'SHOW_ENV=1', '-e', 'CCACHE_DIR=/var/tmp/ccache', '-v', '/root/.cache/qemu-docker-ccache:/var/tmp/ccache:z', '-v', '/var/tmp/patchew-tester-tmp-qr0vpq45/src/docker-src.2018-04-04-09.11.46.2207:/var/tmp/qemu:z,ro', 'qemu:fedora', '/var/tmp/qemu/run', 'test-mingw']' returned non-zero exit status 2
make[1]: *** [tests/docker/Makefile.include:129: docker-run] Error 1
make[1]: Leaving directory '/var/tmp/patchew-tester-tmp-qr0vpq45/src'
make: *** [tests/docker/Makefile.include:163: docker-run-test-mingw@fedora] Error 2

real	2m43.069s
user	0m4.445s
sys	0m3.917s
=== OUTPUT END ===

Test command exited with code: 2


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Re: [Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

[Jason Wang]

On 2018年04月04日 20:53, wexu@redhat.com wrote:
> From: Wei Xu <wexu@redhat.com>
>
> This is a prototype for virtio-net 1.1 support in userspace backend,
> only minimum part are included in this RFC(roughly synced to v8 as
> Jason and Tiwei's RFC).
>
> Test has been done together with Tiwei's RFC guest virtio-net driver
> patch, ping and a quick iperf test successfully.
>
> Issues:
> 1. Rx performance of Iperf is much slower than TX.
>      TX: 13-15Gb
>      RX: 100-300Mb

This needs to be investigated. What's the pps of TX/RX then? (Maybe you 
can try Jen's dpdk code too).

Thanks

>
> Missing:
> - device and driver
> - indirect descriptor
> - migration
> - vIOMMU support
> - other revisions since v8
> - see FIXME
>
> Wei Xu (8):
>    virtio: feature bit, data structure for packed ring
>    virtio: memory cache for packed ring
>    virtio: add empty check for packed ring
>    virtio: add detach element for packed ring(1.1)
>    virtio: notification tweak for packed ring
>    virtio: flush/push support for packed ring
>    virtio: get avail bytes check for packed ring
>    virtio: queue pop support for packed ring
>
>   hw/virtio/virtio.c                             | 618 +++++++++++++++++++++++--
>   include/hw/virtio/virtio.h                     |  12 +-
>   include/standard-headers/linux/virtio_config.h |   2 +
>   3 files changed, 601 insertions(+), 31 deletions(-)
>

Re: [Qemu-devel] [RFC PATCH 0/8] virtio-net 1.1 userspace backend support

[Wei Xu]

On Tue, Apr 10, 2018 at 11:46:47AM +0800, Jason Wang wrote:
>
> 
> On 2018年04月04日 20:53, wexu@redhat.com wrote:
> >From: Wei Xu <wexu@redhat.com>
> >
> >This is a prototype for virtio-net 1.1 support in userspace backend,
> >only minimum part are included in this RFC(roughly synced to v8 as
> >Jason and Tiwei's RFC).
> >
> >Test has been done together with Tiwei's RFC guest virtio-net driver
> >patch, ping and a quick iperf test successfully.
> >
> >Issues:
> >1. Rx performance of Iperf is much slower than TX.
> >     TX: 13-15Gb
> >     RX: 100-300Mb
> 
> This needs to be investigated. What's the pps of TX/RX then? (Maybe you can
> try Jen's dpdk code too).

Yes, I haven't tune any tso/gso on tap so the pps should match the bandwidth,
will try some more debugging and tried Jen's code if I can not resolve it.

Wei

> 
> Thanks
> 
> >
> >Missing:
> >- device and driver
> >- indirect descriptor
> >- migration
> >- vIOMMU support
> >- other revisions since v8
> >- see FIXME
> >
> >Wei Xu (8):
> >   virtio: feature bit, data structure for packed ring
> >   virtio: memory cache for packed ring
> >   virtio: add empty check for packed ring
> >   virtio: add detach element for packed ring(1.1)
> >   virtio: notification tweak for packed ring
> >   virtio: flush/push support for packed ring
> >   virtio: get avail bytes check for packed ring
> >   virtio: queue pop support for packed ring
> >
> >  hw/virtio/virtio.c                             | 618 +++++++++++++++++++++++--
> >  include/hw/virtio/virtio.h                     |  12 +-
> >  include/standard-headers/linux/virtio_config.h |   2 +
> >  3 files changed, 601 insertions(+), 31 deletions(-)
> >
>