lkml.org 
[lkml]   [2015]   [Nov]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH 1/3] x86/cpu: Unify CPU family, model, stepping calculation
On Wed, Nov 18, 2015 at 12:10:08PM +0100, Paolo Bonzini wrote:
> On 14/11/2015 11:37, Borislav Petkov wrote:
> > vendor = x86_vendor();
> > - family = x86_family();
> > + family = x86_family_cpuid();
>
> What about renaming x86_vendor() so that this looks like
>
> - vendor = x86_vendor();
> - family = x86_family();
> + vendor = x86_cpuid_vendor();
> + family = x86_cpuid_family();

The idea is that x86_family_cpuid() gives the family *after* having
executed CPUID while x86_family() only computes the family from a
supplied CPUID_1_EAX. I.e., the last saves us the CPUID call.

Hmm, maybe I should make that more clear ...

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.


\
 
 \ /
  Last update: 2015-11-18 12:41    [W:0.082 / U:10.652 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site