>>> On 08.08.16 at 17:05, <boris.ostrov...@oracle.com> wrote: > 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).
All understood, yet for us it still means: Don't touch those bits. Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
