On Fri, Nov 11, 2022 at 05:07:35PM +0000, Sean Christopherson wrote:
> On Fri, Nov 11, 2022, Yan Zhao wrote:
> > KVMGT only cares about when a slot is indeed removed.
> > So switch to use track_remove_slot which is called when a slot is removed.
> 
> This should capture the original motivation, i.e. that the existing
> ->track_flush_slot() hook is theoretically flawed.  I think it also makes 
> sense
> to call out that KVMGT undoubtedly does the wrong thing if a memslot is moved,
> but that (a) KVMGT has never supported moving memslots and (b) there's no sane
> use case for moving memslots that might be used by the guest for the GTT.
> 
> Bonus points if you can figure out a way to capture the restriction in the 
> docs,
> e.g. somewhere in gpu/i915.rst?
> 
> Lastly, provide a link to the original discussion which provides even more 
> context.
> 
> Link: https://lore.kernel.org/all/[email protected]
>
Got it. I'll do it next time!

Thanks
Yan

> > Cc: Zhenyu Wang <[email protected]>
> > Suggested-by: Sean Christopherson <[email protected]>
> > Signed-off-by: Yan Zhao <[email protected]>
> > ---

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