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Re: [Xen-devel] [PATCH 06/10] x86/spec_ctrl: Split X86_FEATURE_SC_MSR into PV and HVM variants



On Fri, May 11, 2018 at 11:38:10AM +0100, Andrew Cooper wrote:
> In order to separately control whether MSR_SPEC_CTRL is virtualised for PV and
> HVM guests, split the feature used to control runtime alternatives into two.
> Xen will use MSR_SPEC_CTRL itself if either of these features are active.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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