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

From	Dave Hansen <dave.hansen@intel.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v5 31/32] x86: Add sysfs support for Secure Memory Encryption
Date	2017-04-22 00:00 +0200
Message-ID	<tyOKS-2xl-7@gated-at.bofh.it> (permalink)
References	<txTMB-1zl-13@gated-at.bofh.it> <tyOKS-2xl-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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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Re: [PATCH v5 31/32] x86: Add sysfs support for Secure Memory  Encryption Dave Hansen <dave.hansen@intel.com> - 2017-04-22 00:00 +0200

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