Re: [Xen-devel] [PATCH] KVM: x86: trap AMD MSRs for the TSeg base and mask

[Borislav Petkov <bp@xxxxxxxxx>]

On Fri, Sep 18, 2015 at 05:34:24PM +0200, Paolo Bonzini wrote:
> These have roughly the same purpose as the SMRR, which we do not need
> to implement in KVM.  However, Linux accesses MSR_K8_TSEG_ADDR at
> boot, which causes problems when running a Xen dom0 under KVM.
> Just return 0, meaning that processor protection of SMRAM is not
> in effect.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> ---
>  arch/x86/include/asm/msr-index.h | 1 +
>  arch/x86/kvm/x86.c               | 2 ++
>  2 files changed, 3 insertions(+)

Acked-by: Borislav Petkov <bp@xxxxxxx>

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
--

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