RE: [PATCH] drm/amdkfd: Add SVM API support capability bits

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Hi Matthew,
I sent this patch by accident. Please ignore it.

Regards,
Alex Sierra

> -----Original Message-----
> From: Matthew Wilcox <willy@xxxxxxxxxxxxx>
> Sent: Wednesday, March 30, 2022 4:29 PM
> To: Sierra Guiza, Alejandro (Alex) <Alex.Sierra@xxxxxxx>
> Cc: jgg@xxxxxxxxxx; david@xxxxxxxxxx; Kuehling, Felix
> <Felix.Kuehling@xxxxxxx>; linux-mm@xxxxxxxxx; rcampbell@xxxxxxxxxx;
> linux-ext4@xxxxxxxxxxxxxxx; linux-xfs@xxxxxxxxxxxxxxx; amd-
> gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx; hch@xxxxxx;
> jglisse@xxxxxxxxxx; apopple@xxxxxxxxxx; akpm@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH] drm/amdkfd: Add SVM API support capability bits
> 
> On Wed, Mar 30, 2022 at 04:24:20PM -0500, Alex Sierra wrote:
> > From: Philip Yang <Philip.Yang@xxxxxxx>
> >
> > SVMAPISupported property added to HSA_CAPABILITY, the value match
> > HSA_CAPABILITY defined in Thunk spec:
> >
> > SVMAPISupported: it will not be supported on older kernels that don't
> > have HMM or on systems with GFXv8 or older GPUs without support for
> > 48-bit virtual addresses.
> >
> > CoherentHostAccess property added to HSA_MEMORYPROPERTY, the
> value
> > match HSA_MEMORYPROPERTY defined in Thunk spec:
> >
> > CoherentHostAccess: whether or not device memory can be coherently
> > accessed by the host CPU.
> 
> Could you translate this commit message into English?  Reviewing
> Documentation/process/5.Posting.rst might be helpful.





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