Re: [PATCH v8 07/40] x86/sev: Add a helper for the PVALIDATE instruction

Venu Busireddy
2021-12-16T20:21:12Z

On 2021-12-10 09:42:59 -0600, Brijesh Singh wrote:
> An SNP-active guest uses the PVALIDATE instruction to validate or
> rescind the validation of a guest page’s RMP entry. Upon completion,
> a return code is stored in EAX and rFLAGS bits are set based on the
> return code. If the instruction completed successfully, the CF
> indicates if the content of the RMP were changed or not.
>
> See AMD APM Volume 3 for additional details.
>
> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>

Reviewed-by: Venu Busireddy <venu.busireddy@oracle.com>