linux-kernel - Re: [PATCH 1/4] x86: introduce hypervisor_cpuid

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Message-ID: <51EEA96D.3070208@zytor.com>
Date:	Tue, 23 Jul 2013 09:03:57 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Paolo Bonzini <pbonzini@...hat.com>
CC:	Jason Wang <jasowang@...hat.com>, tglx@...utronix.de,
	mingo@...hat.com, x86@...nel.org, gleb@...hat.com,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] x86: introduce hypervisor_cpuid_base()

On 07/23/2013 04:16 AM, Paolo Bonzini wrote:
> 
> That's nicer, though strcmp is what the replaced code used to do in
> patches 2 and 3.
> 
> Note that memcmp requires the caller to use "KVMKVMKVM\0\0" as the
> signature (or alternatively hypervisor_cpuid_base can copy the argument
> into another 12-byte local variable).
> 

Which is the actual signature, though...

	-hpa


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