Re: [PATCH v10 01/50] KVM: SVM: INTERCEPT_RDTSCP is never intercepted anyway

From: Greg KH
Date: Mon Oct 16 2023 - 11:12:23 EST


On Mon, Oct 16, 2023 at 08:27:30AM -0500, Michael Roth wrote:
> From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
>
> svm_recalc_instruction_intercepts() is always called at least once
> before the vCPU is started, so the setting or clearing of the RDTSCP
> intercept can be dropped from the TSC_AUX virtualization support.
>
> Extracted from a patch by Tom Lendacky.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 296d5a17e793 ("KVM: SEV-ES: Use V_TSC_AUX if available instead of RDTSC/MSR_TSC_AUX intercepts")
> Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> (cherry picked from commit e8d93d5d93f85949e7299be289c6e7e1154b2f78)
> Signed-off-by: Michael Roth <michael.roth@xxxxxxx>
> ---
> arch/x86/kvm/svm/sev.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)

What stable tree(s) are you wanting this applied to (same for the others
in this series)? It's already in the 6.1.56 release, and the Fixes tag
is for 5.19, so I don't see where it could be missing from?

thanks,

greg k-h