Re: [PATCH 02/13] x86/microcode: Use own MSR accessors

From	Thomas Gleixner <tglx@linutronix.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH 02/13] x86/microcode: Use own MSR accessors
Date	2017-01-18 11:00 +0100
Message-ID	<t0Vc6-2mj-17@gated-at.bofh.it> (permalink)
References	(1 earlier) <t0G3o-1zz-27@gated-at.bofh.it> <t0Gwp-1Z2-5@gated-at.bofh.it> <t0GG6-22h-31@gated-at.bofh.it> <t0Hsu-2y1-31@gated-at.bofh.it> <t0KJH-4sy-13@gated-at.bofh.it>
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On Tue, 17 Jan 2017, Borislav Petkov wrote:
> From: Borislav Petkov <bp@suse.de>
> Date: Tue, 17 Jan 2017 23:29:10 +0100
> Subject: [PATCH] x86/MSR: Carve out bare minimum accessors
> 
> Add __rdmsr() and __wrmsr() which *only* read and write an MSR with
> exception handling. Those are going to be used in early code, like the
> microcode loader, which cannot stomach tracing code piggybacking on the
> MSR operation.
> 
> While at it, get rid of __native_write_msr_notrace().

Looks good.

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[PATCH 02/13] x86/microcode: Use own MSR accessors Borislav Petkov <bp@alien8.de> - 2017-01-17 18:50 +0100
  Re: [PATCH 02/13] x86/microcode: Use own MSR accessors Thomas Gleixner <tglx@linutronix.de> - 2017-01-17 19:20 +0100
    Re: [PATCH 02/13] x86/microcode: Use own MSR accessors Borislav Petkov <bp@alien8.de> - 2017-01-17 19:30 +0100
      Re: [PATCH 02/13] x86/microcode: Use own MSR accessors Thomas Gleixner <tglx@linutronix.de> - 2017-01-17 20:20 +0100
        Re: [PATCH 02/13] x86/microcode: Use own MSR accessors Borislav Petkov <bp@alien8.de> - 2017-01-17 23:50 +0100
          Re: [PATCH 02/13] x86/microcode: Use own MSR accessors Thomas Gleixner <tglx@linutronix.de> - 2017-01-18 11:00 +0100

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