Re: [PATCH v2 02/12] mm: Introduce a function to check for virtualization protection features

On 8/19/21 4:46 AM, Christoph Hellwig wrote:

On Fri, Aug 13, 2021 at 11:59:21AM -0500, Tom Lendacky wrote:

...

+#define PATTR_MEM_ENCRYPT 0 /* Encrypted memory */ +#define PATTR_HOST_MEM_ENCRYPT 1 /* Host encrypted memory */ +#define PATTR_GUEST_MEM_ENCRYPT 2 /* Guest encrypted memory */ +#define PATTR_GUEST_PROT_STATE 3 /* Guest encrypted state */

Please write an actual detailed explanaton of what these mean, that is what implications it has on the kernel.

Will do.

Thanks, Tom