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SubjectRe: [PATCH 1/2] x86/cpufeatures: Add virtual TSC_AUX feature bit
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On 4/8/22 04:00, Borislav Petkov wrote:
> On Thu, Apr 07, 2022 at 07:57:50PM -0500, Babu Moger wrote:
>> The TSC_AUX Virtualization feature allows AMD SEV-ES guests to securely use
>> TSC_AUX (auxiliary time stamp counter data) MSR in RDTSCP and RDPID
>> instructions.
>>
>> The TSC_AUX MSR is typically initialized to APIC ID or another unique
>> identifier so that software can quickly associate returned TSC value
>> with the logical processor.
>>
>> Adds the feature bit and also include it in the kvm for detection.
> s/Adds/Add/
Thanks Boris.  Will fix that.
>
>> Signed-off-by: Babu Moger <babu.moger@amd.com>
>> ---
>> arch/x86/include/asm/cpufeatures.h | 1 +
>> arch/x86/kvm/cpuid.c | 2 +-
>> 2 files changed, 2 insertions(+), 1 deletion(-)
> With that fixed:
>
> Acked-by: Borislav Petkov <bp@suse.de>
>
--
Thanks
Babu Moger

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