On Wed, Mar 17, 2021 at 8:22 AM Christoph Hellwig wrote:
> On Tue, Mar 16, 2021 at 04:52:44PM +0100, Daniel Vetter wrote:
> > My understanding is mostly, but with some objections. And I kinda
> > don't want to let this die in a bikeshed and then not getting rid of
> > follow_pfn as a result.
On Tue, Mar 16, 2021 at 04:52:44PM +0100, Daniel Vetter wrote:
> My understanding is mostly, but with some objections. And I kinda
> don't want to let this die in a bikeshed and then not getting rid of
> follow_pfn as a result. There's enough people who acked this, and the
> full removal got some
On Tue, Mar 16, 2021 at 4:46 PM Christoph Hellwig wrote:
>
> On Tue, Mar 16, 2021 at 04:33:02PM +0100, Daniel Vetter wrote:
> > The media model assumes that buffers are all preallocated, so that
> > when a media pipeline is running we never miss a deadline because the
> > buffers aren't allocated
On Tue, Mar 16, 2021 at 04:33:02PM +0100, Daniel Vetter wrote:
> The media model assumes that buffers are all preallocated, so that
> when a media pipeline is running we never miss a deadline because the
> buffers aren't allocated or available.
>
> This means we cannot fix the v4l follow_pfn
The media model assumes that buffers are all preallocated, so that
when a media pipeline is running we never miss a deadline because the
buffers aren't allocated or available.
This means we cannot fix the v4l follow_pfn usage through
mmu_notifier, without breaking how this all works. The only
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