[igt-dev] [PATCH i-g-t] i915/gem_create: Check for cache bypass around zeroed pages

Matthew Auld matthew.william.auld at gmail.com
Wed Nov 13 19:50:41 UTC 2019


On Wed, 13 Nov 2019 at 14:05, Chris Wilson <chris at chris-wilson.co.uk> wrote:
>
> Check that even if userspace tries to sneak around the CPU caches of its
> zeroed pages, it sees nothing but zeroes.
>
> Suggested-by: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
> Cc: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>


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