[PATCH v5 31/32] x86: Add sysfs support for Secure Memory Encryption

Dave Hansen dave.hansen at intel.com
Fri Apr 21 14:55:13 PDT 2017

On 04/18/2017 02:22 PM, Tom Lendacky wrote:
> Add sysfs support for SME so that user-space utilities (kdump, etc.) can
> determine if SME is active.
> A new directory will be created:
>   /sys/kernel/mm/sme/
> And two entries within the new directory:
>   /sys/kernel/mm/sme/active
>   /sys/kernel/mm/sme/encryption_mask

Why do they care, and what will they be doing with this information?

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