On Mon, Jul 18, 2016 at 11:07:14AM +0100, Chris Wilson wrote:
> This patch provides the infrastructure for performing a 16-byte aligned
> read from WC memory using non-temporal instructions introduced with sse4.1.
> Using movntdqa we can bypass the CPU caches and read directly from memory
> and ignoring the page attributes set on the CPU PTE i.e. negating the
> impact of an otherwise UC access. Copying using movntqda from WC is almost
ARGH.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
_______________________________________________
Intel-gfx mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
