linux-kernel - Re: [PATCH] x86/cpuid: expose AVX512_4VNNIW and AVX512

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Message-ID: <6cb0bdc3-69f6-1c17-5576-82fbe42e5457@redhat.com>
Date:   Mon, 31 Oct 2016 12:41:32 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     "Luc, Piotr" <Piotr.Luc@...el.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "he.chen@...ux.intel.com" <he.chen@...ux.intel.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "x86@...nel.org" <x86@...nel.org>, "hpa@...or.com" <hpa@...or.com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "Kang, Luwei" <luwei.kang@...el.com>,
        "rkrcmar@...hat.com" <rkrcmar@...hat.com>
Subject: Re: [PATCH] x86/cpuid: expose AVX512_4VNNIW and AVX512_4FMAPS
 features to kvm guest



On 31/10/2016 12:05, Borislav Petkov wrote:
> On Mon, Oct 31, 2016 at 11:47:48AM +0100, Paolo Bonzini wrote:
>> The information is all in arch/x86/kernel/cpu/scattered.c's cpuid_bits
>> array.  Borislav, would it be okay to export the cpuid_regs enum?
> 
> Yeah, and kill the duplicated one in arch/x86/events/intel/pt.c too
> please, while at it.
> 
> I'd still put it all in arch/x86/kernel/cpu/scattered.c so that it is
> close-by and call it from outside.

Good.  Chen, are you going to do this?

Paolo