Quoting Kenneth Graunke (2017-06-20 00:33:35)
> On Monday, June 19, 2017 3:55:01 AM PDT Chris Wilson wrote:
> > If we need to force a cache domain transition (e.g. a buffer was in the
> > CPU domain and we want to access it via WC) then we need to trigger a
> > clflush. This overrides the use of MA
On Monday, June 19, 2017 3:55:01 AM PDT Chris Wilson wrote:
> If we need to force a cache domain transition (e.g. a buffer was in the
> CPU domain and we want to access it via WC) then we need to trigger a
> clflush. This overrides the use of MAP_ASYNC as we call into the kernel
> to change domains
If we need to force a cache domain transition (e.g. a buffer was in the
CPU domain and we want to access it via WC) then we need to trigger a
clflush. This overrides the use of MAP_ASYNC as we call into the kernel
to change domains on the whole object.
Signed-off-by: Chris Wilson
Cc: Kenneth Grau
