Re: [PATCH 3/5] KVM: x86: implement MSR_IA32_TSX_CTRL effect on CPUID

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On Mon, Nov 18, 2019 at 10:17 AM Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:
>
> Because KVM always emulates CPUID, the CPUID clear bit
> (bit 1) of MSR_IA32_TSX_CTRL must be emulated "manually"
> by the hypervisor when performing said emulation.
>
> Right now neither kvm-intel.ko nor kvm-amd.ko implement
> MSR_IA32_TSX_CTRL but this will change in the next patch.
>
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>



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