On 08/08/2016 10:09 AM, Jan Beulich wrote:
>> The reserved bits look the same on all supported families --- bits
>> 63:42, 39:36, 21 and 19. Except apparently on family 12h bit 19 is MBZ.
> Isn't MBZ == reserved for all practical purposes? 

My understanding is that when something is MBZ we know we shouldn't
write 1 there. Reserved can be either 1 or 0 --- that's what my system
may have with bit 19 set. (Although it's also possible that POST or BIOS
are sloppy).

-boris

> In any event the
> patch is fine then afaic.
>
> Jan
>



_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel

Reply via email to