Re: [PATCH] kvm: fix wrong exception emulation in check_rdtsc
From: Jim Mattson
Date: Wed Aug 18 2021 - 17:07:28 EST
On Tue, Aug 17, 2021 at 8:36 PM Hou Wenlong
<houwenlong93@xxxxxxxxxxxxxxxxx> wrote:
>
> According to Intel's SDM Vol2 and AMD's APM Vol3, when
> CR4.TSD is set, use rdtsc/rdtscp instruction above privilege
> level 0 should trigger a #GP.
>
> Fixes: d7eb82030699e ("KVM: SVM: Add intercept checks for remaining group7 instructions")
> Signed-off-by: Hou Wenlong <houwenlong93@xxxxxxxxxxxxxxxxx>
Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>