On Thu, May 26, 2022 at 02:43:34PM +0200, Eugenio Pérez wrote:
> Implement stop operation for vdpa_sim devices, so vhost-vdpa will offer
> that backend feature and userspace can effectively stop the device.
>
> This is a must before get virtqueue indexes (base) for live migration,
> since the
On Mon, May 30, 2022 at 11:39:21AM +0800, Jason Wang wrote:
> On Fri, May 27, 2022 at 6:56 PM Michael S. Tsirkin wrote:
> >
> > On Thu, May 26, 2022 at 12:54:32PM +, Parav Pandit wrote:
> > >
> > >
> > > > From: Eugenio Pérez
> > > > Sent: Thursday, May 26, 2022 8:44 AM
> > >
> > > >
On 5/30/22 21:31, Gonglei (Arei) wrote:
-Original Message-
From: zhenwei pi [mailto:pizhen...@bytedance.com]
Sent: Friday, May 27, 2022 4:48 PM
To: m...@redhat.com; Gonglei (Arei)
Cc: qemu-de...@nongnu.org; virtualization@lists.linux-foundation.org;
helei.si...@bytedance.com;
On Mon, May 30, 2022 at 07:33:35PM +0800, zhenwei pi wrote:
> A VM uses RAM of 2M huge page. Once a MCE(@HVAy in [HVAx,HVAz)) occurs, the
> 2M([HVAx,HVAz)) of hypervisor becomes unaccessible, but the guest poisons 4K
> (@GPAy in [GPAx, GPAz)) only, it may hit another 511 MCE ([GPAx, GPAz)
> except
On Fri, May 27 2022, Jason Wang wrote:
> This is a rework on the previous IRQ hardening that is done for
> virtio-pci where several drawbacks were found and were reverted:
>
> 1) try to use IRQF_NO_AUTOEN which is not friendly to affinity managed IRQ
>that is used by some device such as
On Fri, May 27 2022, Jason Wang wrote:
> This patch allows the new introduced __virtio_break_device() to
> unbreak the virtqueue.
>
> Cc: Thomas Gleixner
> Cc: Peter Zijlstra
> Cc: "Paul E. McKenney"
> Cc: Marc Zyngier
> Cc: Halil Pasic
> Cc: Cornelia Huck
> Cc: Vineeth Vijayan
> Cc:
On Mon, May 30, 2022 at 05:27:25PM +0300, Dan Carpenter wrote:
> On Fri, May 27, 2022 at 10:36:55AM +0300, Dan Carpenter wrote:
> > static void match_pointer(struct expression *ret_value)
> > {
> > struct symbol *type;
> > char *name;
> >
> > type = cur_func_return_type();
On Fri, May 27 2022, Jason Wang wrote:
> This patch tries to implement the synchronize_cbs() for ccw. For the
> vring_interrupt() that is called via virtio_airq_handler(), the
> synchronization is simply done via the airq_info's lock. For the
> vring_interrupt() that is called via
On Fri, May 27, 2022 at 10:36:55AM +0300, Dan Carpenter wrote:
> static void match_pointer(struct expression *ret_value)
> {
> struct symbol *type;
> char *name;
>
> type = cur_func_return_type();
> if (!type || sval_type_max(type).value != 1)
>
From: Liu Zixian
[ Upstream commit 194d250cdc4a40ccbd179afd522a9e9846957402 ]
drm_cvt_mode may return NULL and we should check it.
This bug is found by syzkaller:
FAULT_INJECTION stacktrace:
[ 168.567394] FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0,
From: Liu Zixian
[ Upstream commit 194d250cdc4a40ccbd179afd522a9e9846957402 ]
drm_cvt_mode may return NULL and we should check it.
This bug is found by syzkaller:
FAULT_INJECTION stacktrace:
[ 168.567394] FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0,
From: Liu Zixian
[ Upstream commit 194d250cdc4a40ccbd179afd522a9e9846957402 ]
drm_cvt_mode may return NULL and we should check it.
This bug is found by syzkaller:
FAULT_INJECTION stacktrace:
[ 168.567394] FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0,
From: Liu Zixian
[ Upstream commit 194d250cdc4a40ccbd179afd522a9e9846957402 ]
drm_cvt_mode may return NULL and we should check it.
This bug is found by syzkaller:
FAULT_INJECTION stacktrace:
[ 168.567394] FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0,
From: Liu Zixian
[ Upstream commit 194d250cdc4a40ccbd179afd522a9e9846957402 ]
drm_cvt_mode may return NULL and we should check it.
This bug is found by syzkaller:
FAULT_INJECTION stacktrace:
[ 168.567394] FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0,
Hi Dmitry,
Am 30.05.22 um 15:26 schrieb Dmitry Osipenko:
Hello Christian,
On 5/30/22 09:50, Christian König wrote:
Hi Dmitry,
First of all please separate out this patch from the rest of the series,
since this is a complex separate structural change.
I assume all the patches will go via the
From: Liu Zixian
[ Upstream commit 194d250cdc4a40ccbd179afd522a9e9846957402 ]
drm_cvt_mode may return NULL and we should check it.
This bug is found by syzkaller:
FAULT_INJECTION stacktrace:
[ 168.567394] FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0,
From: Liu Zixian
[ Upstream commit 194d250cdc4a40ccbd179afd522a9e9846957402 ]
drm_cvt_mode may return NULL and we should check it.
This bug is found by syzkaller:
FAULT_INJECTION stacktrace:
[ 168.567394] FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0,
> -Original Message-
> From: zhenwei pi [mailto:pizhen...@bytedance.com]
> Sent: Friday, May 27, 2022 4:48 PM
> To: m...@redhat.com; Gonglei (Arei)
> Cc: qemu-de...@nongnu.org; virtualization@lists.linux-foundation.org;
> helei.si...@bytedance.com; berra...@redhat.com; zhenwei pi
>
>
From: Liu Zixian
[ Upstream commit 194d250cdc4a40ccbd179afd522a9e9846957402 ]
drm_cvt_mode may return NULL and we should check it.
This bug is found by syzkaller:
FAULT_INJECTION stacktrace:
[ 168.567394] FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0,
On 5/30/22 15:48, David Hildenbrand wrote:
+
struct virtio_balloon {
struct virtio_device *vdev;
struct virtqueue *inflate_vq, *deflate_vq, *stats_vq, *free_page_vq;
@@ -126,6 +133,16 @@ struct virtio_balloon {
/* Free page reporting device */
struct
On 5/30/22 15:41, David Hildenbrand wrote:
On 27.05.22 08:32, zhenwei pi wrote:
On 5/27/22 02:37, Peter Xu wrote:
On Wed, May 25, 2022 at 01:16:34PM -0700, Jue Wang wrote:
The hypervisor _must_ emulate poisons identified in guest physical
address space (could be transported from the source
On 25.05.22 01:32, zhenwei pi wrote:
>
>
> On 5/25/22 03:35, Sean Christopherson wrote:
>> On Fri, May 20, 2022, zhenwei pi wrote:
>>> @@ -59,6 +60,12 @@ enum virtio_balloon_config_read {
>>> VIRTIO_BALLOON_CONFIG_READ_CMD_ID = 0,
>>> };
>>>
>>> +/* the request body to commucate with
> +
> struct virtio_balloon {
> struct virtio_device *vdev;
> struct virtqueue *inflate_vq, *deflate_vq, *stats_vq, *free_page_vq;
> @@ -126,6 +133,16 @@ struct virtio_balloon {
> /* Free page reporting device */
> struct virtqueue *reporting_vq;
> struct
On 27.05.22 08:32, zhenwei pi wrote:
> On 5/27/22 02:37, Peter Xu wrote:
>> On Wed, May 25, 2022 at 01:16:34PM -0700, Jue Wang wrote:
>>> The hypervisor _must_ emulate poisons identified in guest physical
>>> address space (could be transported from the source VM), this is to
>>> prevent silent
On 30.05.22 04:16, Bo Liu (刘波)-浪潮信息 wrote:
> Adding this patch can avoid unnecessary VM exits and reduce the number of VM
> exits
>
... in corner cases where virtqueue_add_outbuf() fails? Why do we care
about that corner case?
Looks like unnecessary code churn to me, unless I am missing
Hi Dmitry,
First of all please separate out this patch from the rest of the series,
since this is a complex separate structural change.
Am 27.05.22 um 01:50 schrieb Dmitry Osipenko:
All dma-bufs have dma-reservation lock that allows drivers to perform
exclusive operations over shared
On 20.05.22 09:06, zhenwei pi wrote:
> Origianlly, unpoison_memory() is only used by hwpoison-inject, and
> unpoisons a page which is poisoned by hwpoison-inject too. The kernel PTE
> entry has no change during software poison/unpoison.
>
> On a virtualization platform, it's possible to fix
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