On 04.02.2015 18:49, Christian König wrote: > Am 04.02.2015 um 02:19 schrieb Michel Dänzer: >> From: Michel Dänzer <michel.daenzer@xxxxxxx> >> >> Doing so can cause things to become slow. >> >> Print a warning at compile time and an informative message at runtime in >> that case. >> >> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88758 >> Cc: stable@xxxxxxxxxxxxxxx >> Signed-off-by: Michel Dänzer <michel.daenzer@xxxxxxx> > > Interesting I wonder what the rational behind this is. I mean > CONFIG_X86_PAT will obviously affect write combining, but why does it > slow down things if we request something that the kernel isn't > configured for? Yeah, I'm not sure exactly what happens in that case, but I don't care too much, since PAT is clearly desirable anyway. > Anyway, patch is Reviewed-by: Christian König <christian.koenig@xxxxxxx> Thanks! -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
