Re: [PATCH Part1 RFC v4 04/36] x86/mm: Add sev_feature_enabled() helper

Brijesh Singh
2021-08-10T14:57:56Z

On 8/10/21 6:25 AM, Borislav Petkov wrote:
> On Wed, Jul 07, 2021 at 01:14:34PM -0500, Brijesh Singh wrote:
>> The sev_feature_enabled() helper can be used by the guest to query whether
>> the SNP - Secure Nested Paging feature is active.
>>
>> Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
>> ---
>> arch/x86/include/asm/mem_encrypt.h | 8 ++++++++
>> arch/x86/include/asm/msr-index.h | 2 ++
>> arch/x86/mm/mem_encrypt.c | 14 ++++++++++++++
>> 3 files changed, 24 insertions(+)
>
> This will get replaced by this I presume:
>
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flkml.kernel.org%2Fr%2Fcover.1627424773.git.thomas.lendacky%40amd.com&amp;data=04%7C01%7Cbrijesh.singh%40amd.com%7C15d8b87644e148488da408d95bf16ae3%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637641914718165877%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=UMRigkWSG2h%2BZ4L08AUlG0JeUiqMb9te52LprPrq51M%3D&amp;reserved=0
>

Yes.

thanks