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 Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx