On Fri, 2014-09-05 at 08:07 -0700, H. Peter Anvin wrote: > On 09/05/2014 07:00 AM, Toshi Kani wrote: > > > > That's a fine idea, but as Ingo also suggested, I am going to disable > > this feature on all Pentium 4 models. That should give us a safety > > margin. Using slot 4 has a benefit that it keeps the PAT setup > > consistent with Xen. > > > > Slot 4 is also the maximally problematic one, because it is the one that > might be incorrectly invoked for the page tables themselves.
Good point. I wonder if Xen folks feel strongly about keeping the PAT setup consistent with the kernel. If not, we may choose to use slot 6 (or 7). Thanks, -Toshi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

