* [PATCH 0/4] virtio: various cleanups to reset code
@ 2022-06-09 9:15 Paolo Bonzini
2022-06-09 9:15 ` [PATCH 1/4] s390x: simplify virtio_ccw_reset_virtio Paolo Bonzini
` (3 more replies)
0 siblings, 4 replies; 10+ messages in thread
From: Paolo Bonzini @ 2022-06-09 9:15 UTC (permalink / raw)
To: qemu-devel; +Cc: mst, thuth
Patches 1, 3 and 4 are cleanups with no functional changes (intended, at
least). Patch 2 is a small fix to legacy virtio-mmio reset, whose
behavior differed slightly compared to zeroing the status of the device.
Paolo
Paolo Bonzini (4):
s390x: simplify virtio_ccw_reset_virtio
virtio-mmio: stop ioeventfd on legacy reset
virtio: stop ioeventfd on reset
virtio-mmio: cleanup reset
hw/s390x/virtio-ccw.c | 12 +++++-------
hw/virtio/virtio-bus.c | 1 +
hw/virtio/virtio-mmio.c | 18 ++++++++----------
hw/virtio/virtio-pci.c | 1 -
4 files changed, 14 insertions(+), 18 deletions(-)
--
2.36.1
^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH 1/4] s390x: simplify virtio_ccw_reset_virtio
2022-06-09 9:15 [PATCH 0/4] virtio: various cleanups to reset code Paolo Bonzini
@ 2022-06-09 9:15 ` Paolo Bonzini
2022-06-09 11:40 ` Cornelia Huck
2022-06-09 9:15 ` [PATCH 2/4] virtio-mmio: stop ioeventfd on legacy reset Paolo Bonzini
` (2 subsequent siblings)
3 siblings, 1 reply; 10+ messages in thread
From: Paolo Bonzini @ 2022-06-09 9:15 UTC (permalink / raw)
To: qemu-devel; +Cc: mst, thuth
Call virtio_bus_reset instead of virtio_reset, so that the function
need not receive the VirtIODevice.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
hw/s390x/virtio-ccw.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 15b458527e..066a387802 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -249,12 +249,12 @@ static int virtio_ccw_set_vqs(SubchDev *sch, VqInfoBlock *info,
return 0;
}
-static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev, VirtIODevice *vdev)
+static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev)
{
CcwDevice *ccw_dev = CCW_DEVICE(dev);
virtio_ccw_stop_ioeventfd(dev);
- virtio_reset(vdev);
+ virtio_bus_reset(&dev->bus);
if (dev->indicators) {
release_indicator(&dev->routes.adapter, dev->indicators);
dev->indicators = NULL;
@@ -359,7 +359,7 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
ret = virtio_ccw_handle_set_vq(sch, ccw, check_len, dev->revision < 1);
break;
case CCW_CMD_VDEV_RESET:
- virtio_ccw_reset_virtio(dev, vdev);
+ virtio_ccw_reset_virtio(dev);
ret = 0;
break;
case CCW_CMD_READ_FEAT:
@@ -536,7 +536,7 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
}
if (virtio_set_status(vdev, status) == 0) {
if (vdev->status == 0) {
- virtio_ccw_reset_virtio(dev, vdev);
+ virtio_ccw_reset_virtio(dev);
}
if (status & VIRTIO_CONFIG_S_DRIVER_OK) {
virtio_ccw_start_ioeventfd(dev);
@@ -921,10 +921,9 @@ static void virtio_ccw_notify(DeviceState *d, uint16_t vector)
static void virtio_ccw_reset(DeviceState *d)
{
VirtioCcwDevice *dev = VIRTIO_CCW_DEVICE(d);
- VirtIODevice *vdev = virtio_bus_get_device(&dev->bus);
VirtIOCCWDeviceClass *vdc = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
- virtio_ccw_reset_virtio(dev, vdev);
+ virtio_ccw_reset_virtio(dev);
if (vdc->parent_reset) {
vdc->parent_reset(d);
}
--
2.36.1
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH 2/4] virtio-mmio: stop ioeventfd on legacy reset
2022-06-09 9:15 [PATCH 0/4] virtio: various cleanups to reset code Paolo Bonzini
2022-06-09 9:15 ` [PATCH 1/4] s390x: simplify virtio_ccw_reset_virtio Paolo Bonzini
@ 2022-06-09 9:15 ` Paolo Bonzini
2022-06-09 11:49 ` Cornelia Huck
2022-06-09 9:15 ` [PATCH 3/4] virtio: stop ioeventfd on reset Paolo Bonzini
2022-06-09 9:15 ` [PATCH 4/4] virtio-mmio: cleanup reset Paolo Bonzini
3 siblings, 1 reply; 10+ messages in thread
From: Paolo Bonzini @ 2022-06-09 9:15 UTC (permalink / raw)
To: qemu-devel; +Cc: mst, thuth
If the queue PFN is set to zero on a virtio-mmio device, the device is reset.
In that case however the virtio_bus_stop_ioeventfd function was not
called; add it so that the behavior is similar to when status is set to 0.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
hw/virtio/virtio-mmio.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
index 688eccda94..41a35d31c8 100644
--- a/hw/virtio/virtio-mmio.c
+++ b/hw/virtio/virtio-mmio.c
@@ -376,6 +376,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value,
return;
}
if (value == 0) {
+ virtio_mmio_stop_ioeventfd(proxy);
virtio_reset(vdev);
} else {
virtio_queue_set_addr(vdev, vdev->queue_sel,
--
2.36.1
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH 3/4] virtio: stop ioeventfd on reset
2022-06-09 9:15 [PATCH 0/4] virtio: various cleanups to reset code Paolo Bonzini
2022-06-09 9:15 ` [PATCH 1/4] s390x: simplify virtio_ccw_reset_virtio Paolo Bonzini
2022-06-09 9:15 ` [PATCH 2/4] virtio-mmio: stop ioeventfd on legacy reset Paolo Bonzini
@ 2022-06-09 9:15 ` Paolo Bonzini
2022-06-09 11:56 ` Cornelia Huck
2022-06-09 9:15 ` [PATCH 4/4] virtio-mmio: cleanup reset Paolo Bonzini
3 siblings, 1 reply; 10+ messages in thread
From: Paolo Bonzini @ 2022-06-09 9:15 UTC (permalink / raw)
To: qemu-devel; +Cc: mst, thuth
All calls to virtio_bus_reset are preceded by virtio_bus_stop_ioeventfd,
move the call in virtio_bus_reset: that makes sense and clarifies
that the vdc->reset function is called with ioeventfd already stopped.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
hw/s390x/virtio-ccw.c | 1 -
hw/virtio/virtio-bus.c | 1 +
hw/virtio/virtio-mmio.c | 4 +---
hw/virtio/virtio-pci.c | 1 -
4 files changed, 2 insertions(+), 5 deletions(-)
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 066a387802..e33e5207ab 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -253,7 +253,6 @@ static void virtio_ccw_reset_virtio(VirtioCcwDevice *dev)
{
CcwDevice *ccw_dev = CCW_DEVICE(dev);
- virtio_ccw_stop_ioeventfd(dev);
virtio_bus_reset(&dev->bus);
if (dev->indicators) {
release_indicator(&dev->routes.adapter, dev->indicators);
diff --git a/hw/virtio/virtio-bus.c b/hw/virtio/virtio-bus.c
index d7ec023adf..896feb37a1 100644
--- a/hw/virtio/virtio-bus.c
+++ b/hw/virtio/virtio-bus.c
@@ -104,6 +104,7 @@ void virtio_bus_reset(VirtioBusState *bus)
VirtIODevice *vdev = virtio_bus_get_device(bus);
DPRINTF("%s: reset device.\n", BUS(bus)->name);
+ virtio_bus_stop_ioeventfd(bus);
if (vdev != NULL) {
virtio_reset(vdev);
}
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
index 41a35d31c8..6d81a26473 100644
--- a/hw/virtio/virtio-mmio.c
+++ b/hw/virtio/virtio-mmio.c
@@ -376,8 +376,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value,
return;
}
if (value == 0) {
- virtio_mmio_stop_ioeventfd(proxy);
- virtio_reset(vdev);
+ virtio_bus_reset(&vdev->bus);
} else {
virtio_queue_set_addr(vdev, vdev->queue_sel,
value << proxy->guest_page_shift);
@@ -628,7 +627,6 @@ static void virtio_mmio_reset(DeviceState *d)
VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d);
int i;
- virtio_mmio_stop_ioeventfd(proxy);
virtio_bus_reset(&proxy->bus);
proxy->host_features_sel = 0;
proxy->guest_features_sel = 0;
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 0566ad7d00..45327f0b31 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1945,7 +1945,6 @@ static void virtio_pci_reset(DeviceState *qdev)
PCIDevice *dev = PCI_DEVICE(qdev);
int i;
- virtio_pci_stop_ioeventfd(proxy);
virtio_bus_reset(bus);
msix_unuse_all_vectors(&proxy->pci_dev);
--
2.36.1
^ permalink raw reply related [flat|nested] 10+ messages in thread
* [PATCH 4/4] virtio-mmio: cleanup reset
2022-06-09 9:15 [PATCH 0/4] virtio: various cleanups to reset code Paolo Bonzini
` (2 preceding siblings ...)
2022-06-09 9:15 ` [PATCH 3/4] virtio: stop ioeventfd on reset Paolo Bonzini
@ 2022-06-09 9:15 ` Paolo Bonzini
2022-06-09 12:22 ` Cornelia Huck
3 siblings, 1 reply; 10+ messages in thread
From: Paolo Bonzini @ 2022-06-09 9:15 UTC (permalink / raw)
To: qemu-devel; +Cc: mst, thuth
Make virtio_mmio_soft_reset reset the virtio device, which is performed by
both the "soft" and the "hard" reset; and then call virtio_mmio_soft_reset
from virtio_mmio_reset to emphasize that the latter is a superset of the
former.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
hw/virtio/virtio-mmio.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
index 6d81a26473..d240efef97 100644
--- a/hw/virtio/virtio-mmio.c
+++ b/hw/virtio/virtio-mmio.c
@@ -72,12 +72,12 @@ static void virtio_mmio_soft_reset(VirtIOMMIOProxy *proxy)
{
int i;
- if (proxy->legacy) {
- return;
- }
+ virtio_bus_reset(&proxy->bus);
- for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
- proxy->vqs[i].enabled = 0;
+ if (!proxy->legacy) {
+ for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
+ proxy->vqs[i].enabled = 0;
+ }
}
}
@@ -376,7 +376,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value,
return;
}
if (value == 0) {
- virtio_bus_reset(&vdev->bus);
+ virtio_mmio_soft_reset(proxy);
} else {
virtio_queue_set_addr(vdev, vdev->queue_sel,
value << proxy->guest_page_shift);
@@ -432,7 +432,6 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value,
}
if (vdev->status == 0) {
- virtio_reset(vdev);
virtio_mmio_soft_reset(proxy);
}
break;
@@ -627,7 +626,8 @@ static void virtio_mmio_reset(DeviceState *d)
VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d);
int i;
- virtio_bus_reset(&proxy->bus);
+ virtio_mmio_soft_reset(proxy);
+
proxy->host_features_sel = 0;
proxy->guest_features_sel = 0;
proxy->guest_page_shift = 0;
@@ -636,7 +636,6 @@ static void virtio_mmio_reset(DeviceState *d)
proxy->guest_features[0] = proxy->guest_features[1] = 0;
for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
- proxy->vqs[i].enabled = 0;
proxy->vqs[i].num = 0;
proxy->vqs[i].desc[0] = proxy->vqs[i].desc[1] = 0;
proxy->vqs[i].avail[0] = proxy->vqs[i].avail[1] = 0;
--
2.36.1
^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [PATCH 1/4] s390x: simplify virtio_ccw_reset_virtio
2022-06-09 9:15 ` [PATCH 1/4] s390x: simplify virtio_ccw_reset_virtio Paolo Bonzini
@ 2022-06-09 11:40 ` Cornelia Huck
0 siblings, 0 replies; 10+ messages in thread
From: Cornelia Huck @ 2022-06-09 11:40 UTC (permalink / raw)
To: Paolo Bonzini, qemu-devel; +Cc: mst, thuth
On Thu, Jun 09 2022, Paolo Bonzini <pbonzini@redhat.com> wrote:
> Call virtio_bus_reset instead of virtio_reset, so that the function
> need not receive the VirtIODevice.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> hw/s390x/virtio-ccw.c | 11 +++++------
> 1 file changed, 5 insertions(+), 6 deletions(-)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH 2/4] virtio-mmio: stop ioeventfd on legacy reset
2022-06-09 9:15 ` [PATCH 2/4] virtio-mmio: stop ioeventfd on legacy reset Paolo Bonzini
@ 2022-06-09 11:49 ` Cornelia Huck
0 siblings, 0 replies; 10+ messages in thread
From: Cornelia Huck @ 2022-06-09 11:49 UTC (permalink / raw)
To: Paolo Bonzini, qemu-devel; +Cc: mst, thuth
On Thu, Jun 09 2022, Paolo Bonzini <pbonzini@redhat.com> wrote:
> If the queue PFN is set to zero on a virtio-mmio device, the device is reset.
> In that case however the virtio_bus_stop_ioeventfd function was not
> called; add it so that the behavior is similar to when status is set to 0.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> hw/virtio/virtio-mmio.c | 1 +
> 1 file changed, 1 insertion(+)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH 3/4] virtio: stop ioeventfd on reset
2022-06-09 9:15 ` [PATCH 3/4] virtio: stop ioeventfd on reset Paolo Bonzini
@ 2022-06-09 11:56 ` Cornelia Huck
0 siblings, 0 replies; 10+ messages in thread
From: Cornelia Huck @ 2022-06-09 11:56 UTC (permalink / raw)
To: Paolo Bonzini, qemu-devel; +Cc: mst, thuth
On Thu, Jun 09 2022, Paolo Bonzini <pbonzini@redhat.com> wrote:
> All calls to virtio_bus_reset are preceded by virtio_bus_stop_ioeventfd,
> move the call in virtio_bus_reset: that makes sense and clarifies
> that the vdc->reset function is called with ioeventfd already stopped.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> hw/s390x/virtio-ccw.c | 1 -
> hw/virtio/virtio-bus.c | 1 +
> hw/virtio/virtio-mmio.c | 4 +---
> hw/virtio/virtio-pci.c | 1 -
> 4 files changed, 2 insertions(+), 5 deletions(-)
>
(...)
> diff --git a/hw/virtio/virtio-bus.c b/hw/virtio/virtio-bus.c
> index d7ec023adf..896feb37a1 100644
> --- a/hw/virtio/virtio-bus.c
> +++ b/hw/virtio/virtio-bus.c
> @@ -104,6 +104,7 @@ void virtio_bus_reset(VirtioBusState *bus)
> VirtIODevice *vdev = virtio_bus_get_device(bus);
>
> DPRINTF("%s: reset device.\n", BUS(bus)->name);
> + virtio_bus_stop_ioeventfd(bus);
> if (vdev != NULL) {
> virtio_reset(vdev);
I looked at the code and I'm wondering under which conditions we could
arrive here with vdev == NULL... virtio_bus_stop_ioeventfd() assumes
that a vdev is there, at least if the ioeventfd has been started.
The patch looks correct, though.
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH 4/4] virtio-mmio: cleanup reset
2022-06-09 9:15 ` [PATCH 4/4] virtio-mmio: cleanup reset Paolo Bonzini
@ 2022-06-09 12:22 ` Cornelia Huck
2022-06-09 14:44 ` Paolo Bonzini
0 siblings, 1 reply; 10+ messages in thread
From: Cornelia Huck @ 2022-06-09 12:22 UTC (permalink / raw)
To: Paolo Bonzini, qemu-devel; +Cc: mst, thuth
On Thu, Jun 09 2022, Paolo Bonzini <pbonzini@redhat.com> wrote:
> Make virtio_mmio_soft_reset reset the virtio device, which is performed by
> both the "soft" and the "hard" reset; and then call virtio_mmio_soft_reset
> from virtio_mmio_reset to emphasize that the latter is a superset of the
> former.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> hw/virtio/virtio-mmio.c | 17 ++++++++---------
> 1 file changed, 8 insertions(+), 9 deletions(-)
>
> diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
> index 6d81a26473..d240efef97 100644
> --- a/hw/virtio/virtio-mmio.c
> +++ b/hw/virtio/virtio-mmio.c
> @@ -72,12 +72,12 @@ static void virtio_mmio_soft_reset(VirtIOMMIOProxy *proxy)
> {
> int i;
>
> - if (proxy->legacy) {
> - return;
> - }
> + virtio_bus_reset(&proxy->bus);
>
> - for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
> - proxy->vqs[i].enabled = 0;
> + if (!proxy->legacy) {
> + for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
> + proxy->vqs[i].enabled = 0;
> + }
> }
> }
The more I look at this, the more confused I get.
The current code calls soft_reset when the driver sets the status to 0,
after already having called virtio_reset(). But doesn't virtio_reset()
ultimately already trigger the virtio-mmio reset routine, which sets
enabled to 0 for all queues? Why do that again? (And why is soft_reset a
"soft reset"?)
Maybe I'm missing something obvious, or it is simply -ENOCOFFEE on my side.
>
> @@ -376,7 +376,7 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value,
> return;
> }
> if (value == 0) {
> - virtio_bus_reset(&vdev->bus);
> + virtio_mmio_soft_reset(proxy);
> } else {
> virtio_queue_set_addr(vdev, vdev->queue_sel,
> value << proxy->guest_page_shift);
> @@ -432,7 +432,6 @@ static void virtio_mmio_write(void *opaque, hwaddr offset, uint64_t value,
> }
>
> if (vdev->status == 0) {
> - virtio_reset(vdev);
> virtio_mmio_soft_reset(proxy);
> }
> break;
> @@ -627,7 +626,8 @@ static void virtio_mmio_reset(DeviceState *d)
> VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d);
> int i;
>
> - virtio_bus_reset(&proxy->bus);
> + virtio_mmio_soft_reset(proxy);
> +
> proxy->host_features_sel = 0;
> proxy->guest_features_sel = 0;
> proxy->guest_page_shift = 0;
> @@ -636,7 +636,6 @@ static void virtio_mmio_reset(DeviceState *d)
> proxy->guest_features[0] = proxy->guest_features[1] = 0;
>
> for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
> - proxy->vqs[i].enabled = 0;
> proxy->vqs[i].num = 0;
> proxy->vqs[i].desc[0] = proxy->vqs[i].desc[1] = 0;
> proxy->vqs[i].avail[0] = proxy->vqs[i].avail[1] = 0;
^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH 4/4] virtio-mmio: cleanup reset
2022-06-09 12:22 ` Cornelia Huck
@ 2022-06-09 14:44 ` Paolo Bonzini
0 siblings, 0 replies; 10+ messages in thread
From: Paolo Bonzini @ 2022-06-09 14:44 UTC (permalink / raw)
To: Cornelia Huck, qemu-devel; +Cc: mst, thuth
On 6/9/22 14:22, Cornelia Huck wrote:
>> - if (proxy->legacy) {
>> - return;
>> - }
>> + virtio_bus_reset(&proxy->bus);
>>
>> - for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
>> - proxy->vqs[i].enabled = 0;
>> + if (!proxy->legacy) {
>> + for (i = 0; i < VIRTIO_QUEUE_MAX; i++) {
>> + proxy->vqs[i].enabled = 0;
>> + }
>> }
>> }
>
> The more I look at this, the more confused I get.
>
> The current code calls soft_reset when the driver sets the status to 0,
> after already having called virtio_reset().
Yes, that's before the patch.
> But doesn't virtio_reset() ultimately already trigger the virtio-mmio
> reset routine, which sets enabled to 0 for all queues? Why do that
> again? (And why is soft_reset a "soft reset"?)
No, it does not set enabled = 0 because "enabled" is specific to
virtio-mmio (it is read by VIRTIO_MMIO_QUEUE_READY, which is only
available in virtio-mmio 1.0 devices). In fact it is stored in
proxy->vqs[], while virtio_reset only resets fields in vdev->vq[].
k->reset() instead triggers the *device* reset routine (e.g.
virtio_blk_reset). So what makes it "soft" is that the various queue
addresses remain there, and can be enabled just by writing 1 to
VIRTIO_MMIO_QUEUE_READY for every queue.
Paolo
^ permalink raw reply [flat|nested] 10+ messages in thread
end of thread, other threads:[~2022-06-09 16:15 UTC | newest]
Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-06-09 9:15 [PATCH 0/4] virtio: various cleanups to reset code Paolo Bonzini
2022-06-09 9:15 ` [PATCH 1/4] s390x: simplify virtio_ccw_reset_virtio Paolo Bonzini
2022-06-09 11:40 ` Cornelia Huck
2022-06-09 9:15 ` [PATCH 2/4] virtio-mmio: stop ioeventfd on legacy reset Paolo Bonzini
2022-06-09 11:49 ` Cornelia Huck
2022-06-09 9:15 ` [PATCH 3/4] virtio: stop ioeventfd on reset Paolo Bonzini
2022-06-09 11:56 ` Cornelia Huck
2022-06-09 9:15 ` [PATCH 4/4] virtio-mmio: cleanup reset Paolo Bonzini
2022-06-09 12:22 ` Cornelia Huck
2022-06-09 14:44 ` Paolo Bonzini
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