lkml.org 
[lkml]   [2008]   [Jun]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/5] x86: PAT: fix ambiguous paranoia check in pat_init()
Andreas Herrmann wrote:
>
> For Intel all family 0xf CPUs, and family 6 CPUs starting with model
> 15 are whitelisted.
>

Arg, sorry, I read the code brokenly. You're right, of course.

> There seem to be other Intel CPUs that advertise PAT support.
> See cpuinfo output at http://gentoo-wiki.com/Safe_Cflags
> E.g. Pentium M (model 13), Celeron (model 6), Pentium III (model 8).
> (Not sure how correct this information is, though)

Yes, those all have PAT enabled.

> Turn the white- into a blacklist for those remaining CPUs until they
> are verified?

Yes, that would be a suitable course of action; moving it to
Intel-specific code. Then the Intel people can worry about lifting the
remaining blacklisted CPUs.

-hpa



\
 
 \ /
  Last update: 2008-06-11 19:39    [W:0.063 / U:0.724 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site