From mboxrd@z Thu Jan 1 00:00:00 1970 From: Borislav Petkov Subject: Re: [RFC PATCH 1/3] x86/cpu: Unify CPU family, model, stepping calculation Date: Wed, 18 Nov 2015 12:28:46 +0100 Message-ID: <20151118112846.GD4138@pd.tnic> References: <1447497436-26424-1-git-send-email-bp@alien8.de> <1447497436-26424-2-git-send-email-bp@alien8.de> <564C5C90.3080903@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: LKML , X86 ML , KVM To: Paolo Bonzini Return-path: Content-Disposition: inline In-Reply-To: <564C5C90.3080903@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org 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.