在 2023/2/24 23:54, Eugenio Pérez 写道:
A vdpa net device must initialize with SVQ in order to be migratable at
this moment, and initialization code verifies some conditions. If the
device is not initialized with the x-svq parameter, it will not expose
_F_LOG so the vhost subsystem will block VM
On Mon, Feb 27, 2023 at 4:15 PM Jason Wang wrote:
>
>
> 在 2023/2/24 23:54, Eugenio Pérez 写道:
> > A vdpa net device must initialize with SVQ in order to be migratable at
> > this moment, and initialization code verifies some conditions. If the
> > device is not initialized with the x-svq
在 2023/2/24 23:54, Eugenio Pérez 写道:
Although it does not make a big difference, its more correct and
simplifies the cleanup path in subsequent patches.
Move ram_block_discard_disable(false) call to the top of
vhost_vdpa_cleanup because:
* We cannot use vhost_vdpa_first_dev after dev->opaque =
Hi Dmitry,
I love your patch! Yet something to improve:
[auto build test ERROR on drm-misc/drm-misc-next]
[cannot apply to drm/drm-next drm-intel/for-linux-next
drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.2 next-20230227]
[If your patch is applied to the wrong git tree
在 2023/2/24 23:54, Eugenio Pérez 写道:
This allows net to restart the device backend to configure SVQ on it.
Ideally, these changes should not be net specific. However, the vdpa net
backend is the one with enough knowledge to configure everything because
of some reasons:
* Queues might need to
在 2023/2/24 23:54, Eugenio Pérez 写道:
Devices with CVQ needs to migrate state beyond vq state. Leaving this
to future series.
Signed-off-by: Eugenio Pérez
---
v3: Migration blocker is registered in vhost_dev.
---
include/hw/virtio/vhost-vdpa.h | 1 +
hw/virtio/vhost-vdpa.c | 1 +
>
> It's possible to migrate vdpa net devices if they are shadowed from the
> start. But to always shadow the dataplane is to effectively break its host
> passthrough, so its not efficient in vDPA scenarios.
>
> This series enables dynamically switching to shadow mode only at
> migration time.
Hi Dmitry,
I love your patch! Perhaps something to improve:
[auto build test WARNING on drm-misc/drm-misc-next]
[cannot apply to drm/drm-next drm-intel/for-linux-next
drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.2 next-20230227]
[If your patch is applied to the wrong git tree
On Mon, 27 Feb 2023, Dmitry Osipenko wrote:
> On 2/17/23 16:41, Dmitry Osipenko wrote:
>> On 2/17/23 16:28, Thomas Zimmermann wrote:
>>> Hi,
>>>
>>> I looked through the series. Most of the patches should have an r-b or
>>> a-b at this point. I can't say much about patch 2 and had questions
>>>
On Mon, Feb 27, 2023 at 01:41:27PM -0800, Jacob Keller wrote:
> The vhost_get_avail_size and vhost_get_used_size functions compute the size
> of structures with flexible array members with an additional 2 bytes if the
> VIRTIO_RING_F_EVENT_IDX feature flag is set. Convert these functions to use
>
in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url:
https://github.com/intel-lab-lkp/linux/commits/Longpeng-Mike/vdpa-support-specify-the-pgprot-of-vq-notification-area/20230227-172516
patch link:
https://lore.kernel.org/r/20230227091857.2406-3-longpeng2%40huawei.com
The vhost_get_avail_size and vhost_get_used_size functions compute the size
of structures with flexible array members with an additional 2 bytes if the
VIRTIO_RING_F_EVENT_IDX feature flag is set. Convert these functions to use
struct_size() and size_add() instead of coding the calculation by
On Mon, Feb 27, 2023 at 07:40:11AM -0800, Rob Clark wrote:
> On Sun, Feb 26, 2023 at 10:38 PM Gerd Hoffmann wrote:
> >
> > On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote:
> > > From: Rob Clark
> > >
> > > Add a build option to disable modesetting support. This is useful in
> > >
Don't let parts of multipage folios be gifted by (vm)splice into a pipe as
the other end may only be expecting single-page gifts (fuse and virtio
console for example).
replace_page_cache_folio(), for example, will do the wrong thing if it
tries to replace a single paged folio with a
On Mon, Feb 27, 2023 at 02:23:32PM +, David Howells wrote:
>
> Don't let parts of multipage folios be gifted by (vm)splice into a pipe as
> the other end may only be expecting single-page gifts (fuse and virtio
> console for example).
>
> replace_page_cache_folio(), for example, will do
Matthew Wilcox wrote:
> What should the Fixes: here be? This was already possible with THPs
> (both anon and tmpfs backed) long before I introduced folios.
Good question. How do I tell when THPs were introduced? It looks like they
might predate git, looking at free_compound_page()'s comment.
From: Rob Clark
Add a build option to disable modesetting support. This is useful in
cases where the guest only needs to use the GPU in a headless mode, or
(such as in the CrOS usage) window surfaces are proxied to a host
compositor.
v2: Use more if (IS_ENABLED(...))
v3: Also permit the host
On Mon, Feb 27, 2023 at 10:53:45AM -0500, Stefan Hajnoczi wrote:
> On Fri, Feb 24, 2023 at 03:37:51PM +0100, David Heidelberg wrote:
> > From: Stefan Hajnoczi
> >
> > Make it possible to boot directly from a virtiofs file system with tag
> > 'myfs' using the following kernel parameters:
> >
> >
On Mon, Feb 27, 2023 at 9:57 AM Dmitry Osipenko
wrote:
>
> On 2/27/23 20:38, Rob Clark wrote:
> ...
> > + if (IS_ENABLED(CONFIG_DRM_VIRTIO_GPU_KMS)) {
> > + /* get display info */
> > + virtio_cread_le(vgdev->vdev, struct virtio_gpu_config,
> > +
On Mon, Feb 27, 2023 at 8:16 AM Daniel Vetter wrote:
>
> On Mon, Feb 27, 2023 at 08:01:13AM -0800, Rob Clark wrote:
> > From: Rob Clark
> >
> > Add a build option to disable modesetting support. This is useful in
> > cases where the guest only needs to use the GPU in a headless mode, or
> >
On Sun, Feb 26, 2023 at 10:38 PM Gerd Hoffmann wrote:
>
> On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote:
> > From: Rob Clark
> >
> > Add a build option to disable modesetting support. This is useful in
> > cases where the guest only needs to use the GPU in a headless mode, or
> >
Hi Longpeng(Mike),
Thank you for the patch! Yet something to improve:
[auto build test ERROR on v6.2]
[also build test ERROR on next-20230227]
[cannot apply to mst-vhost/linux-next linus/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we
Don't let parts of compound pages/multipage folios be gifted by (vm)splice
into a pipe as the other end may only be expecting single-page gifts (fuse
and virtio console for example).
replace_page_cache_folio(), for example, will do the wrong thing if it
tries to replace a single paged folio
From: Rob Clark
Add a build option to disable modesetting support. This is useful in
cases where the guest only needs to use the GPU in a headless mode, or
(such as in the CrOS usage) window surfaces are proxied to a host
compositor.
v2: Use more if (IS_ENABLED(...))
Signed-off-by: Rob Clark
On Mon, Feb 27, 2023 at 07:40:11AM -0800, Rob Clark wrote:
> On Sun, Feb 26, 2023 at 10:38 PM Gerd Hoffmann wrote:
> >
> > On Fri, Feb 24, 2023 at 10:02:24AM -0800, Rob Clark wrote:
> > > From: Rob Clark
> > >
> > > Add a build option to disable modesetting support. This is useful in
> > >
On Mon, Feb 27, 2023 at 03:51:03PM +, David Howells wrote:
>
> Don't let parts of compound pages/multipage folios be gifted by (vm)splice
> into a pipe as the other end may only be expecting single-page gifts (fuse
> and virtio console for example).
>
> replace_page_cache_folio(), for
On Fri, Feb 24, 2023 at 03:37:51PM +0100, David Heidelberg wrote:
> From: Stefan Hajnoczi
>
> Make it possible to boot directly from a virtiofs file system with tag
> 'myfs' using the following kernel parameters:
>
> rootfstype=virtiofs root=myfs rw
>
> Booting directly from virtiofs makes
in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url:
https://github.com/intel-lab-lkp/linux/commits/Longpeng-Mike/vdpa-support-specify-the-pgprot-of-vq-notification-area/20230227-172516
patch link:
https://lore.kernel.org/r/20230227091857.2406-3-longpeng2%40huawei.com
On Mon, Feb 27, 2023 at 08:01:13AM -0800, Rob Clark wrote:
> From: Rob Clark
>
> Add a build option to disable modesetting support. This is useful in
> cases where the guest only needs to use the GPU in a headless mode, or
> (such as in the CrOS usage) window surfaces are proxied to a host
>
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