* [PATCH 0/1] suspend/resume for virtio_ccw
@ 2017-12-07 14:11 Christian Borntraeger
2017-12-07 14:11 ` [PATCH 1/1] virtio/s390: implement PM operations " Christian Borntraeger
2017-12-07 14:11 ` Christian Borntraeger
0 siblings, 2 replies; 6+ messages in thread
From: Christian Borntraeger @ 2017-12-07 14:11 UTC (permalink / raw)
To: Halil Pasic, Cornelia Huck; +Cc: linux-s390, Thomas Huth, kvm, virtualization
With this patch I can suspend/resume a KVM guest.
[root@test ~]# cd /sys/power/
[root@test power]# echo test_resume > disk
[root@test power]# lscss
Device Subchan. DevType CU Type Use PIM PAM POM CHPIDs
----------------------------------------------------------------------
0.0.0003 0.0.0000 0000/00 3832/03 yes 80 80 ff 00000000 00000000
0.0.0000 0.0.0001 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0001 0.0.0002 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0004 0.0.0003 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0005 0.0.0004 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0006 0.0.0005 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0007 0.0.0006 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0008 0.0.0007 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0009 0.0.0008 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000a 0.0.0009 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000b 0.0.000a 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000c 0.0.000b 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000e 0.0.000c 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000f 0.0.000d 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0010 0.0.000e 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0011 0.0.000f 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0012 0.0.0010 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0013 0.0.0011 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0014 0.0.0012 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0002 0.0.0013 0000/00 3832/09 yes 80 80 ff 00000000 00000000
0.0.000d 0.0.0014 0000/00 3832/01 yes 80 80 ff 00000000 00000000
0.0.0015 0.0.0015 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0016 0.0.0016 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0017 0.0.0017 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0018 0.0.0018 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0019 0.0.0019 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.3.ffba 0.3.0000 0000/00 3832/05 yes 80 80 ff 00000000 00000000
[root@test power]# echo disk > state
[ 195.854629] PM: hibernation entry
[ 195.854780] PM: Syncing filesystems ...
[ 195.855837] PM: done.
[ 195.855839] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 195.856927] OOM killer disabled.
[ 195.856941] PM: Preallocating image memory... done (allocated 182918 pages)
[ 196.229494] PM: Allocated 731672 kbytes in 0.37 seconds (1977.49 MB/s)
[ 196.229495] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[ 196.231772] Suspending console(s) (use no_console_suspend to debug)
[ 196.238620] Disabling non-boot CPUs ...
[ 196.238632] PM: Creating hibernation image:
[ 196.267113] PM: Need to copy 182169 pages
[ 196.892074] PM: Hibernation image created (182169 pages copied)
[ 196.905127] PM: Using 1 thread(s) for compression.
[ 196.905127] PM: Compressing and saving image data (182525 pages)...
[ 197.358550] PM: Image saving progress: 0%
[ 197.595283] PM: Image saving progress: 10%
[ 197.740148] PM: Image saving progress: 20%
[ 197.859172] PM: Image saving progress: 30%
[ 197.989838] PM: Image saving progress: 40%
[ 198.100692] PM: Image saving progress: 50%
[ 198.205154] PM: Image saving progress: 60%
[ 198.308987] PM: Image saving progress: 70%
[ 198.412584] PM: Image saving progress: 80%
[ 198.516285] PM: Image saving progress: 90%
[ 198.620025] PM: Image saving progress: 100%
[ 198.620176] PM: Image saving done.
[ 198.620178] PM: Wrote 730100 kbytes in 1.71 seconds (426.95 MB/s)
[ 198.620256] PM: S
[ 198.620323] |
[ 198.650677] PM: Using 1 thread(s) for decompression.
[ 198.650677] PM: Loading and decompressing image data (182525 pages)...
[ 198.663329] PM: Image loading progress: 0%
[ 198.990431] PM: Image loading progress: 10%
[ 199.155921] PM: Image loading progress: 20%
[ 199.317973] PM: Image loading progress: 30%
[ 199.457977] PM: Image loading progress: 40%
[ 199.614798] PM: Image loading progress: 50%
[ 199.843670] PM: Image loading progress: 60%
[ 200.075105] PM: Image loading progress: 70%
[ 200.307333] PM: Image loading progress: 80%
[ 200.540000] PM: Image loading progress: 90%
[ 195.856941] PM: Preallocating image memory... done (allocated 182918 pages)
[ 196.229494] PM: Allocated 731672 kbytes in 0.37 seconds (1977.49 MB/s)
[ 196.229495] Freezing remaining freezable tasks ... (elapsed 0.002 seconds) done.
[ 196.231772] Suspending console(s) (use no_console_suspend to debug)
[ 196.238620] Disabling non-boot CPUs ...
[ 196.238632] PM: Creating hibernation image:
[ 196.267113] PM: Need to copy 182169 pages
[ 201.314326] OOM killer enabled.
[ 201.314327] Restarting tasks ... done.
[ 201.315976] PM: hibernation exit
[root@test power]# lscss
Device Subchan. DevType CU Type Use PIM PAM POM CHPIDs
----------------------------------------------------------------------
0.0.0003 0.0.0000 0000/00 3832/03 yes 80 80 ff 00000000 00000000
0.0.0000 0.0.0001 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0001 0.0.0002 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0004 0.0.0003 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0005 0.0.0004 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0006 0.0.0005 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0007 0.0.0006 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0008 0.0.0007 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0009 0.0.0008 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000a 0.0.0009 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000b 0.0.000a 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000c 0.0.000b 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000e 0.0.000c 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.000f 0.0.000d 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0010 0.0.000e 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0011 0.0.000f 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0012 0.0.0010 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0013 0.0.0011 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0014 0.0.0012 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0002 0.0.0013 0000/00 3832/09 yes 80 80 ff 00000000 00000000
0.0.000d 0.0.0014 0000/00 3832/01 yes 80 80 ff 00000000 00000000
0.0.0015 0.0.0015 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0016 0.0.0016 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0017 0.0.0017 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0018 0.0.0018 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.0.0019 0.0.0019 0000/00 3832/02 yes 80 80 ff 00000000 00000000
0.3.ffba 0.3.0000 0000/00 3832/05 yes 80 80 ff 00000000 00000000
[root@test power]#
Christian Borntraeger (1):
virtio/s390: implement PM operations for virtio_ccw
drivers/s390/virtio/virtio_ccw.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
--
2.9.4
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 1/1] virtio/s390: implement PM operations for virtio_ccw
2017-12-07 14:11 [PATCH 0/1] suspend/resume for virtio_ccw Christian Borntraeger
@ 2017-12-07 14:11 ` Christian Borntraeger
2017-12-07 14:32 ` Cornelia Huck
` (2 more replies)
2017-12-07 14:11 ` Christian Borntraeger
1 sibling, 3 replies; 6+ messages in thread
From: Christian Borntraeger @ 2017-12-07 14:11 UTC (permalink / raw)
To: Halil Pasic, Cornelia Huck
Cc: linux-s390, virtualization, kvm, Thomas Huth, Christian Borntraeger
Suspend/Resume to/from disk currently fails. Let us wire
up the necessary callbacks. This is mostly just forwarding
the requests to the virtio drivers. The only thing that
has to be done in virtio_ccw itself is to re-set the
virtio revision.
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---
drivers/s390/virtio/virtio_ccw.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index b18fe201..330b3fa 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -1300,6 +1300,9 @@ static int virtio_ccw_cio_notify(struct ccw_device *cdev, int event)
vcdev->device_lost = true;
rc = NOTIFY_DONE;
break;
+ case CIO_OPER:
+ rc = NOTIFY_OK;
+ break;
default:
rc = NOTIFY_DONE;
break;
@@ -1312,6 +1315,25 @@ static struct ccw_device_id virtio_ids[] = {
{},
};
+static int virtio_ccw_freeze(struct ccw_device *cdev)
+{
+ struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);
+
+ return virtio_device_freeze(&vcdev->vdev);
+}
+
+static int virtio_ccw_restore(struct ccw_device *cdev)
+{
+ struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);
+ int ret;
+
+ ret = virtio_ccw_set_transport_rev(vcdev);
+ if (ret)
+ return ret;
+
+ return virtio_device_restore(&vcdev->vdev);
+}
+
static struct ccw_driver virtio_ccw_driver = {
.driver = {
.owner = THIS_MODULE,
@@ -1324,6 +1346,9 @@ static struct ccw_driver virtio_ccw_driver = {
.set_online = virtio_ccw_online,
.notify = virtio_ccw_cio_notify,
.int_class = IRQIO_VIR,
+ .freeze = virtio_ccw_freeze,
+ .thaw = virtio_ccw_restore,
+ .restore = virtio_ccw_restore,
};
static int __init pure_hex(char **cp, unsigned int *val, int min_digit,
--
2.9.4
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 1/1] virtio/s390: implement PM operations for virtio_ccw
2017-12-07 14:11 [PATCH 0/1] suspend/resume for virtio_ccw Christian Borntraeger
2017-12-07 14:11 ` [PATCH 1/1] virtio/s390: implement PM operations " Christian Borntraeger
@ 2017-12-07 14:11 ` Christian Borntraeger
1 sibling, 0 replies; 6+ messages in thread
From: Christian Borntraeger @ 2017-12-07 14:11 UTC (permalink / raw)
To: Halil Pasic, Cornelia Huck; +Cc: linux-s390, Thomas Huth, kvm, virtualization
Suspend/Resume to/from disk currently fails. Let us wire
up the necessary callbacks. This is mostly just forwarding
the requests to the virtio drivers. The only thing that
has to be done in virtio_ccw itself is to re-set the
virtio revision.
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---
drivers/s390/virtio/virtio_ccw.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index b18fe201..330b3fa 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -1300,6 +1300,9 @@ static int virtio_ccw_cio_notify(struct ccw_device *cdev, int event)
vcdev->device_lost = true;
rc = NOTIFY_DONE;
break;
+ case CIO_OPER:
+ rc = NOTIFY_OK;
+ break;
default:
rc = NOTIFY_DONE;
break;
@@ -1312,6 +1315,25 @@ static struct ccw_device_id virtio_ids[] = {
{},
};
+static int virtio_ccw_freeze(struct ccw_device *cdev)
+{
+ struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);
+
+ return virtio_device_freeze(&vcdev->vdev);
+}
+
+static int virtio_ccw_restore(struct ccw_device *cdev)
+{
+ struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);
+ int ret;
+
+ ret = virtio_ccw_set_transport_rev(vcdev);
+ if (ret)
+ return ret;
+
+ return virtio_device_restore(&vcdev->vdev);
+}
+
static struct ccw_driver virtio_ccw_driver = {
.driver = {
.owner = THIS_MODULE,
@@ -1324,6 +1346,9 @@ static struct ccw_driver virtio_ccw_driver = {
.set_online = virtio_ccw_online,
.notify = virtio_ccw_cio_notify,
.int_class = IRQIO_VIR,
+ .freeze = virtio_ccw_freeze,
+ .thaw = virtio_ccw_restore,
+ .restore = virtio_ccw_restore,
};
static int __init pure_hex(char **cp, unsigned int *val, int min_digit,
--
2.9.4
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH 1/1] virtio/s390: implement PM operations for virtio_ccw
2017-12-07 14:11 ` [PATCH 1/1] virtio/s390: implement PM operations " Christian Borntraeger
@ 2017-12-07 14:32 ` Cornelia Huck
2017-12-07 15:48 ` David Hildenbrand
2017-12-07 15:48 ` David Hildenbrand
2 siblings, 0 replies; 6+ messages in thread
From: Cornelia Huck @ 2017-12-07 14:32 UTC (permalink / raw)
To: Christian Borntraeger; +Cc: linux-s390, Thomas Huth, kvm, virtualization
On Thu, 7 Dec 2017 15:11:02 +0100
Christian Borntraeger <borntraeger@de.ibm.com> wrote:
> Suspend/Resume to/from disk currently fails. Let us wire
> up the necessary callbacks. This is mostly just forwarding
> the requests to the virtio drivers. The only thing that
> has to be done in virtio_ccw itself is to re-set the
> virtio revision.
>
> Suggested-by: Thomas Huth <thuth@redhat.com>
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
> drivers/s390/virtio/virtio_ccw.c | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
Less work than I had expected :)
This looks complete: The only thing we do in our online function not
directly triggered by registering the virtio device is setting the
revision.
Will apply, but would not mind some R-bs/acks.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/1] virtio/s390: implement PM operations for virtio_ccw
2017-12-07 14:11 ` [PATCH 1/1] virtio/s390: implement PM operations " Christian Borntraeger
2017-12-07 14:32 ` Cornelia Huck
2017-12-07 15:48 ` David Hildenbrand
@ 2017-12-07 15:48 ` David Hildenbrand
2 siblings, 0 replies; 6+ messages in thread
From: David Hildenbrand @ 2017-12-07 15:48 UTC (permalink / raw)
To: Christian Borntraeger, Halil Pasic, Cornelia Huck
Cc: linux-s390, virtualization, kvm, Thomas Huth
On 07.12.2017 15:11, Christian Borntraeger wrote:
> Suspend/Resume to/from disk currently fails. Let us wire
> up the necessary callbacks. This is mostly just forwarding
> the requests to the virtio drivers. The only thing that
> has to be done in virtio_ccw itself is to re-set the
> virtio revision.
>
> Suggested-by: Thomas Huth <thuth@redhat.com>
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
> drivers/s390/virtio/virtio_ccw.c | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
> index b18fe201..330b3fa 100644
> --- a/drivers/s390/virtio/virtio_ccw.c
> +++ b/drivers/s390/virtio/virtio_ccw.c
> @@ -1300,6 +1300,9 @@ static int virtio_ccw_cio_notify(struct ccw_device *cdev, int event)
> vcdev->device_lost = true;
> rc = NOTIFY_DONE;
> break;
> + case CIO_OPER:
> + rc = NOTIFY_OK;
> + break;
> default:
> rc = NOTIFY_DONE;
> break;
> @@ -1312,6 +1315,25 @@ static struct ccw_device_id virtio_ids[] = {
> {},
> };
>
> +static int virtio_ccw_freeze(struct ccw_device *cdev)
> +{
> + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);
> +
> + return virtio_device_freeze(&vcdev->vdev);
> +}
> +
> +static int virtio_ccw_restore(struct ccw_device *cdev)
> +{
> + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);
> + int ret;
> +
> + ret = virtio_ccw_set_transport_rev(vcdev);
> + if (ret)
> + return ret;
> +
> + return virtio_device_restore(&vcdev->vdev);
> +}
> +
> static struct ccw_driver virtio_ccw_driver = {
> .driver = {
> .owner = THIS_MODULE,
> @@ -1324,6 +1346,9 @@ static struct ccw_driver virtio_ccw_driver = {
> .set_online = virtio_ccw_online,
> .notify = virtio_ccw_cio_notify,
> .int_class = IRQIO_VIR,
> + .freeze = virtio_ccw_freeze,
> + .thaw = virtio_ccw_restore,
> + .restore = virtio_ccw_restore,
> };
>
> static int __init pure_hex(char **cp, unsigned int *val, int min_digit,
>
Really neat, hope we haven't forgotten to reinitialize anything. (guess
if it works, we should be 99.9% fine)
Reviewed-by: David Hildenbrand <david@redhat.com>
--
Thanks,
David / dhildenb
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH 1/1] virtio/s390: implement PM operations for virtio_ccw
2017-12-07 14:11 ` [PATCH 1/1] virtio/s390: implement PM operations " Christian Borntraeger
2017-12-07 14:32 ` Cornelia Huck
@ 2017-12-07 15:48 ` David Hildenbrand
2017-12-07 15:48 ` David Hildenbrand
2 siblings, 0 replies; 6+ messages in thread
From: David Hildenbrand @ 2017-12-07 15:48 UTC (permalink / raw)
To: Christian Borntraeger, Halil Pasic, Cornelia Huck
Cc: linux-s390, Thomas Huth, kvm, virtualization
On 07.12.2017 15:11, Christian Borntraeger wrote:
> Suspend/Resume to/from disk currently fails. Let us wire
> up the necessary callbacks. This is mostly just forwarding
> the requests to the virtio drivers. The only thing that
> has to be done in virtio_ccw itself is to re-set the
> virtio revision.
>
> Suggested-by: Thomas Huth <thuth@redhat.com>
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
> drivers/s390/virtio/virtio_ccw.c | 25 +++++++++++++++++++++++++
> 1 file changed, 25 insertions(+)
>
> diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
> index b18fe201..330b3fa 100644
> --- a/drivers/s390/virtio/virtio_ccw.c
> +++ b/drivers/s390/virtio/virtio_ccw.c
> @@ -1300,6 +1300,9 @@ static int virtio_ccw_cio_notify(struct ccw_device *cdev, int event)
> vcdev->device_lost = true;
> rc = NOTIFY_DONE;
> break;
> + case CIO_OPER:
> + rc = NOTIFY_OK;
> + break;
> default:
> rc = NOTIFY_DONE;
> break;
> @@ -1312,6 +1315,25 @@ static struct ccw_device_id virtio_ids[] = {
> {},
> };
>
> +static int virtio_ccw_freeze(struct ccw_device *cdev)
> +{
> + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);
> +
> + return virtio_device_freeze(&vcdev->vdev);
> +}
> +
> +static int virtio_ccw_restore(struct ccw_device *cdev)
> +{
> + struct virtio_ccw_device *vcdev = dev_get_drvdata(&cdev->dev);
> + int ret;
> +
> + ret = virtio_ccw_set_transport_rev(vcdev);
> + if (ret)
> + return ret;
> +
> + return virtio_device_restore(&vcdev->vdev);
> +}
> +
> static struct ccw_driver virtio_ccw_driver = {
> .driver = {
> .owner = THIS_MODULE,
> @@ -1324,6 +1346,9 @@ static struct ccw_driver virtio_ccw_driver = {
> .set_online = virtio_ccw_online,
> .notify = virtio_ccw_cio_notify,
> .int_class = IRQIO_VIR,
> + .freeze = virtio_ccw_freeze,
> + .thaw = virtio_ccw_restore,
> + .restore = virtio_ccw_restore,
> };
>
> static int __init pure_hex(char **cp, unsigned int *val, int min_digit,
>
Really neat, hope we haven't forgotten to reinitialize anything. (guess
if it works, we should be 99.9% fine)
Reviewed-by: David Hildenbrand <david@redhat.com>
--
Thanks,
David / dhildenb
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2017-12-07 15:48 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2017-12-07 14:11 [PATCH 0/1] suspend/resume for virtio_ccw Christian Borntraeger
2017-12-07 14:11 ` [PATCH 1/1] virtio/s390: implement PM operations " Christian Borntraeger
2017-12-07 14:32 ` Cornelia Huck
2017-12-07 15:48 ` David Hildenbrand
2017-12-07 15:48 ` David Hildenbrand
2017-12-07 14:11 ` Christian Borntraeger
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