Re: [PATCH 10/11] KVM: vmx: skip VMWRITE of HOST_{FS,GS}_SEL when possible

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On Mon, Jul 23, 2018 at 12:33 PM Sean Christopherson
<sean.j.christopherson@xxxxxxxxx> wrote:
>
> On a 64-bit host, FS.sel and GS.sel are all but guaranteed to be 0,
> which in turn means they'll rarely change.  Skip the VMWRITE for the
> associated VMCS fields when loading host state if the selector hasn't
> changed since the last VMWRITE.
>
> Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>

Reviewed-by: Peter Shier <pshier@xxxxxxxxxx>
Tested-by: Peter Shier <pshier@xxxxxxxxxx>



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