linux-kernel - Re: [PATCH 3/3] x86/kvm: Handle all MCA banks

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Message-ID: <20180622190240.GF1882@zn.tnic>
Date:   Fri, 22 Jun 2018 21:02:40 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Radim Krčmář <rkrcmar@...hat.com>
Cc:     KVM <kvm@...r.kernel.org>, Joerg Roedel <joro@...tes.org>,
        Tom Lendacky <thomas.lendacky@....com>,
        Tony Luck <tony.luck@...el.com>,
        Yazen Ghannam <Yazen.Ghannam@....com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] x86/kvm: Handle all MCA banks

On Fri, Jun 22, 2018 at 08:47:48PM +0200, Radim Krčmář wrote:
> The last MSR is the original "MSR_IA32_MCx_CTL(KVM_MAX_MCE_BANKS) - 1".
> 
> "MSR_IA32_MCx_MISC(KVM_MAX_MCE_BANKS) - 1" also covers
> 
>   MSR_IA32_MC32_CTL, MSR_IA32_MC32_STATUS, and MSR_IA32_MC32_ADDR
> 
> but the maximal valid MSR is MSR_IA32_MC31_MISC.

Bah, right you are, MSR_IA32_MCx_CTL(KVM_MAX_MCE_BANKS) - 1 *is* the
last MSR of bank 31, yes.

Pls ignore this patch.

-- 
Regards/Gruss,
    Boris.

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