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

Matthew Wilcox willy at infradead.org
Wed Mar 30 21:29:05 UTC 2022


On Wed, Mar 30, 2022 at 04:24:20PM -0500, Alex Sierra wrote:
> From: Philip Yang <Philip.Yang at amd.com>
> 
> 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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