gt; de...@nongnu.org; k...@vger.kernel.org
> Subject: Re: [PATCH v16 Kernel 4/7] vfio iommu: Implementation of ioctl for
> dirty pages tracking.
>
> On Mon, 30 Mar 2020 21:16:21 -0400
> Yan Zhao wrote:
>
> > On Tue, Mar 31, 2020 at 09:12:59AM +0800, Alex Williamson wro
On Mon, 30 Mar 2020 21:16:21 -0400
Yan Zhao wrote:
> On Tue, Mar 31, 2020 at 09:12:59AM +0800, Alex Williamson wrote:
> > On Mon, 30 Mar 2020 20:50:47 -0400
> > Yan Zhao wrote:
> >
> > > On Tue, Mar 31, 2020 at 08:53:47AM +0800, Alex Williamson wrote:
> > > > On Mon, 30 Mar 2020 19:51:31 -0
On Tue, Mar 31, 2020 at 09:12:59AM +0800, Alex Williamson wrote:
> On Mon, 30 Mar 2020 20:50:47 -0400
> Yan Zhao wrote:
>
> > On Tue, Mar 31, 2020 at 08:53:47AM +0800, Alex Williamson wrote:
> > > On Mon, 30 Mar 2020 19:51:31 -0400
> > > Yan Zhao wrote:
> > >
> > > > On Mon, Mar 30, 2020 at 0
On Mon, 30 Mar 2020 20:50:47 -0400
Yan Zhao wrote:
> On Tue, Mar 31, 2020 at 08:53:47AM +0800, Alex Williamson wrote:
> > On Mon, 30 Mar 2020 19:51:31 -0400
> > Yan Zhao wrote:
> >
> > > On Mon, Mar 30, 2020 at 09:49:21PM +0800, Kirti Wankhede wrote:
> > > >
> > > >
> > > > On 3/30/2020 8
On Tue, Mar 31, 2020 at 08:53:47AM +0800, Alex Williamson wrote:
> On Mon, 30 Mar 2020 19:51:31 -0400
> Yan Zhao wrote:
>
> > On Mon, Mar 30, 2020 at 09:49:21PM +0800, Kirti Wankhede wrote:
> > >
> > >
> > > On 3/30/2020 8:54 AM, Yan Zhao wrote:
> > > > On Fri, Mar 27, 2020 at 01:28:13PM +080
On Mon, 30 Mar 2020 19:51:31 -0400
Yan Zhao wrote:
> On Mon, Mar 30, 2020 at 09:49:21PM +0800, Kirti Wankhede wrote:
> >
> >
> > On 3/30/2020 8:54 AM, Yan Zhao wrote:
> > > On Fri, Mar 27, 2020 at 01:28:13PM +0800, Kirti Wankhede wrote:
> > >> Hit send button little early.
> > >>
> > >>
On Mon, Mar 30, 2020 at 09:49:21PM +0800, Kirti Wankhede wrote:
>
>
> On 3/30/2020 8:54 AM, Yan Zhao wrote:
> > On Fri, Mar 27, 2020 at 01:28:13PM +0800, Kirti Wankhede wrote:
> >> Hit send button little early.
> >>
> >> >
> >> > I checked v12, it's not like what I said.
> >> > In v12, bitm
On Tue, Mar 31, 2020 at 04:47:20AM +0800, Alex Williamson wrote:
> On Sun, 29 Mar 2020 22:07:08 -0400
> Yan Zhao wrote:
>
> > On Fri, Mar 27, 2020 at 01:07:38PM +0800, Kirti Wankhede wrote:
> > >
> > >
> > > On 3/27/2020 6:00 AM, Yan Zhao wrote:
> > > > On Fri, Mar 27, 2020 at 05:39:01AM +080
On Sun, 29 Mar 2020 22:07:08 -0400
Yan Zhao wrote:
> On Fri, Mar 27, 2020 at 01:07:38PM +0800, Kirti Wankhede wrote:
> >
> >
> > On 3/27/2020 6:00 AM, Yan Zhao wrote:
> > > On Fri, Mar 27, 2020 at 05:39:01AM +0800, Kirti Wankhede wrote:
> > >>
> > >>
> > >> On 3/25/2020 7:41 AM, Yan Zhao wr
On 3/30/2020 8:54 AM, Yan Zhao wrote:
On Fri, Mar 27, 2020 at 01:28:13PM +0800, Kirti Wankhede wrote:
Hit send button little early.
>
> I checked v12, it's not like what I said.
> In v12, bitmaps are generated per vfio_dma, and combination of the
> bitmaps are required in order to ge
On Fri, Mar 27, 2020 at 01:28:13PM +0800, Kirti Wankhede wrote:
> Hit send button little early.
>
> >
> > I checked v12, it's not like what I said.
> > In v12, bitmaps are generated per vfio_dma, and combination of the
> > bitmaps are required in order to generate a big bitmap suiting for dirt
On Fri, Mar 27, 2020 at 01:07:38PM +0800, Kirti Wankhede wrote:
>
>
> On 3/27/2020 6:00 AM, Yan Zhao wrote:
> > On Fri, Mar 27, 2020 at 05:39:01AM +0800, Kirti Wankhede wrote:
> >>
> >>
> >> On 3/25/2020 7:41 AM, Yan Zhao wrote:
> >>> On Wed, Mar 25, 2020 at 05:18:52AM +0800, Kirti Wankhede wrote
* Alex Williamson (alex.william...@redhat.com) wrote:
> On Fri, 27 Mar 2020 11:57:45 +
> "Dr. David Alan Gilbert" wrote:
>
> > * Kirti Wankhede (kwankh...@nvidia.com) wrote:
> > > VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
> > > - Start dirty pages tracking while migration is act
On Fri, 27 Mar 2020 11:57:45 +
"Dr. David Alan Gilbert" wrote:
> * Kirti Wankhede (kwankh...@nvidia.com) wrote:
> > VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
> > - Start dirty pages tracking while migration is active
> > - Stop dirty pages tracking.
> > - Get dirty pages bitmap.
* Kirti Wankhede (kwankh...@nvidia.com) wrote:
> VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
> - Start dirty pages tracking while migration is active
> - Stop dirty pages tracking.
> - Get dirty pages bitmap. Its user space application's responsibility to
> copy content of dirty pages
Hit send button little early.
>
> I checked v12, it's not like what I said.
> In v12, bitmaps are generated per vfio_dma, and combination of the
> bitmaps are required in order to generate a big bitmap suiting for dirty
> query. It can cause problem when offset not aligning.
> But what I propose
On 3/27/2020 6:00 AM, Yan Zhao wrote:
On Fri, Mar 27, 2020 at 05:39:01AM +0800, Kirti Wankhede wrote:
On 3/25/2020 7:41 AM, Yan Zhao wrote:
On Wed, Mar 25, 2020 at 05:18:52AM +0800, Kirti Wankhede wrote:
VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
- Start dirty pages tracking
On Fri, Mar 27, 2020 at 05:39:01AM +0800, Kirti Wankhede wrote:
>
>
> On 3/25/2020 7:41 AM, Yan Zhao wrote:
> > On Wed, Mar 25, 2020 at 05:18:52AM +0800, Kirti Wankhede wrote:
> >> VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
> >> - Start dirty pages tracking while migration is active
On 3/25/2020 7:41 AM, Yan Zhao wrote:
On Wed, Mar 25, 2020 at 05:18:52AM +0800, Kirti Wankhede wrote:
VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
- Start dirty pages tracking while migration is active
- Stop dirty pages tracking.
- Get dirty pages bitmap. Its user space applicatio
On Wed, Mar 25, 2020 at 05:18:52AM +0800, Kirti Wankhede wrote:
> VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
> - Start dirty pages tracking while migration is active
> - Stop dirty pages tracking.
> - Get dirty pages bitmap. Its user space application's responsibility to
> copy conte
On 3/25/2020 2:15 AM, Alex Williamson wrote:
On Tue, 24 Mar 2020 14:37:16 -0600
Alex Williamson wrote:
On Wed, 25 Mar 2020 01:02:36 +0530
Kirti Wankhede wrote:
VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
- Start dirty pages tracking while migration is active
- Stop dirty page
VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
- Start dirty pages tracking while migration is active
- Stop dirty pages tracking.
- Get dirty pages bitmap. Its user space application's responsibility to
copy content of dirty pages from source to destination during migration.
To prevent
On Tue, 24 Mar 2020 14:37:16 -0600
Alex Williamson wrote:
> On Wed, 25 Mar 2020 01:02:36 +0530
> Kirti Wankhede wrote:
>
> > VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
> > - Start dirty pages tracking while migration is active
> > - Stop dirty pages tracking.
> > - Get dirty pages
On Wed, 25 Mar 2020 01:02:36 +0530
Kirti Wankhede wrote:
> VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
> - Start dirty pages tracking while migration is active
> - Stop dirty pages tracking.
> - Get dirty pages bitmap. Its user space application's responsibility to
> copy content of
VFIO_IOMMU_DIRTY_PAGES ioctl performs three operations:
- Start dirty pages tracking while migration is active
- Stop dirty pages tracking.
- Get dirty pages bitmap. Its user space application's responsibility to
copy content of dirty pages from source to destination during migration.
To prevent
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