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

Tom Lendacky thomas.lendacky at amd.com
Thu Aug 19 16:39:57 UTC 2021


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

> 


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