Re: [PATCH v8 09/16] x86/cpufeatures: Add synthetic Secure TSC bit
From: Borislav Petkov
Date: Mon Apr 22 2024 - 09:25:44 EST
On Thu, Feb 15, 2024 at 05:01:21PM +0530, Nikunj A Dadhania wrote:
> Add support for the synthetic CPUID flag which indicates that the SNP
> guest is running with secure tsc enabled (MSR_AMD64_SEV Bit 11 -
"TSC"
> SecureTsc_Enabled) . This flag is there so that this capability in the
> guests can be detected easily without reading MSRs every time accessors.
Why?
What's wrong with cc_platform_has(CC_ATTR_GUEST_SECURE_TSC) or so?
--
Regards/Gruss,
Boris.
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