linux-kernel - Re: Shut up unhandled MSR warnings

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Date:	Thu, 12 Nov 2015 13:28:16 +0100
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Jörg Rödel <joro@...tes.org>,
	kvm ML <kvm@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: Shut up unhandled MSR warnings



On 12/11/2015 13:16, Borislav Petkov wrote:
>>> > > Yes, see guest_cpuid_has_* for an example of reading the CPUID values.
>>> > > 
>>> > > But if it's defined for _all_ models starting at family 21, we can just
>>> > > do it unconditionally.
>> > 
>> > The thing is, those bits are Reserved again on the next family 22. Lemme
>> > take a look at guest_cpuid_has_* and see how ugly it gets.
> 
> Ok, I see there's guest_cpuid_is_amd() but I'd need also family and model.
> 
> How about adding also
> 
> guest_cpuid_family(), guest_cpuid_model(), guest_cpuid_stepping()? Those
> could be quite useful in other contexts maybe.

Sure, that's what I meant by "for an example". :)

Paolo
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