Re: [RFC PATCH v2 04/20] x86: Secure Memory Encryption (SME) support

From	Thomas Gleixner <tglx@linutronix.de>
Newsgroups	linux.kernel
Subject	Re: [RFC PATCH v2 04/20] x86: Secure Memory Encryption (SME) support
Date	2016-08-25 15:10 +0200
Message-ID	<sa2zT-1n5-1@gated-at.bofh.it> (permalink)
References	<s9VRL-5gY-3@gated-at.bofh.it> <sa2zT-1n5-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Mon, 22 Aug 2016, Tom Lendacky wrote:

> Provide support for Secure Memory Encryption (SME). This initial support
> defines the memory encryption mask as a variable for quick access and an
> accessor for retrieving the number of physical addressing bits lost if
> SME is enabled.

What is the reason that this needs to live in assembly code?
 
Thanks,

	tglx

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Re: [RFC PATCH v2 04/20] x86: Secure Memory Encryption (SME)  support Thomas Gleixner <tglx@linutronix.de> - 2016-08-25 15:10 +0200
  Re: [RFC PATCH v2 04/20] x86: Secure Memory Encryption (SME) support Andy Lutomirski <luto@amacapital.net> - 2016-08-30 17:00 +0200

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