Re: [RFC PATCH 1/3] x86/cpu: Unify CPU family, model, stepping calculation
From: Borislav Petkov
Date: Wed Nov 18 2015 - 06:29:04 EST
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 ...
ECO tip #101: Trim your mails when you reply.
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