On 17 March 2018 at 08:51, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: > As the ringbuffer may exist inside stolen memory, our access to it may > be via the GTT iomap. This implies we may only have WC access for which > the conventional memset() substitution of rep stos performs very badly, > so switch to the rep mov[dq] variants when available. > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Mika Kuoppala <mika.kuoppala@xxxxxxxxx> > Cc: Matthew Auld <matthew.auld@xxxxxxxxx> Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
