linux-kernel - RE: [PATCH 00/11] x86/microcode: Early load microcode

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Message-ID: <3E5A0FA7E9CA944F9D5414FEC6C7122007787DDA@ORSMSX105.amr.corp.intel.com>
Date:	Mon, 20 Aug 2012 15:44:07 +0000
From:	"Yu, Fenghua" <fenghua.yu@...el.com>
To:	Borislav Petkov <bp@...64.org>
CC:	H Peter Anvin <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Mallick, Asit K" <asit.k.mallick@...el.com>,
	Tigran Aivazian <tigran@...azian.fsnet.co.uk>,
	Andreas Herrmann <andreas.herrmann3@....com>,
	Borislav Petkov <borislav.petkov@....com>,
	linux-kernel <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: RE: [PATCH 00/11] x86/microcode: Early load microcode

> -----Original Message-----
> From: Borislav Petkov [mailto:bp@...64.org]
> Sent: Monday, August 20, 2012 8:39 AM
> To: Yu, Fenghua
> Cc: H Peter Anvin; Ingo Molnar; Thomas Gleixner; Mallick, Asit K;
> Tigran Aivazian; Andreas Herrmann; Borislav Petkov; linux-kernel; x86
> Subject: Re: [PATCH 00/11] x86/microcode: Early load microcode
> 
> On Sat, Aug 18, 2012 at 01:15:18AM -0700, Fenghua Yu wrote:
> >  Documentation/x86/earlyucode.txt        |   43 +++
> >  arch/x86/Kconfig                        |   22 ++
> >  arch/x86/include/asm/cpio.h             |   10 +
> >  arch/x86/include/asm/microcode.h        |   23 ++
> >  arch/x86/include/asm/microcode_intel.h  |  103 +++++++
> >  arch/x86/kernel/Makefile                |    3 +
> >  arch/x86/kernel/head64.c                |    6 +
> >  arch/x86/kernel/head_32.S               |    6 +
> >  arch/x86/kernel/microcode_core.c        |    7 +-
> >  arch/x86/kernel/microcode_core_early.c  |   74 +++++
> >  arch/x86/kernel/microcode_intel.c       |  185 +------------
> >  arch/x86/kernel/microcode_intel_early.c |  482
> +++++++++++++++++++++++++++++++
> >  arch/x86/kernel/microcode_intel_lib.c   |  163 +++++++++++
> 
> One more thing:
> 
> This screams for adding a directory called "microcode" in the kernel
> sources and moving all the microcode-related files there. IOW:
> 
> arch/x86/kernel/cpu/microcode/core.c
> arch/x86/kernel/cpu/microcode/core_early.c
> arch/x86/kernel/cpu/microcode/intel.c
> arch/x86/kernel/cpu/microcode/amd.c
> ...
> 
> And yes, they should be under "cpu" too.

That's right.

Thanks.

-Fenghua
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