linux-kernel - RE: [PATCH 04/11] x86/microcode_core_early.c: Define interfaces for early load ucode

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Message-ID: <3E5A0FA7E9CA944F9D5414FEC6C71220077884B0@ORSMSX105.amr.corp.intel.com>
Date:	Tue, 21 Aug 2012 20:58:09 +0000
From:	"Yu, Fenghua" <fenghua.yu@...el.com>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Borislav Petkov <bp@...64.org>,
	Henrique de Moraes Holschuh <hmh@....eng.br>,
	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 04/11] x86/microcode_core_early.c: Define interfaces for
 early load ucode

> -----Original Message-----
> From: H. Peter Anvin [mailto:hpa@...or.com]
> Sent: Tuesday, August 21, 2012 1:54 PM
> To: Yu, Fenghua
> Cc: Borislav Petkov; Henrique de Moraes Holschuh; Ingo Molnar; Thomas
> Gleixner; Mallick, Asit K; Tigran Aivazian; Andreas Herrmann; Borislav
> Petkov; linux-kernel; x86
> Subject: Re: [PATCH 04/11] x86/microcode_core_early.c: Define
> interfaces for early load ucode
> 
> On 08/21/2012 01:52 PM, Yu, Fenghua wrote:
> >> -----Original Message-----
> >> From: Borislav Petkov [mailto:bp@...64.org]
> >> Sent: Tuesday, August 21, 2012 1:49 PM
> >> To: H. Peter Anvin
> >> Cc: Yu, Fenghua; Henrique de Moraes Holschuh; Ingo Molnar; Thomas
> >> Gleixner; Mallick, Asit K; Tigran Aivazian; Andreas Herrmann;
> Borislav
> >> Petkov; linux-kernel; x86
> >> Subject: Re: [PATCH 04/11] x86/microcode_core_early.c: Define
> >> interfaces for early load ucode
> >>
> >> On Tue, Aug 21, 2012 at 01:13:26PM -0700, H. Peter Anvin wrote:
> >>> I don't know what Borislav was suggesting with "BIOS overrides", is
> >>> that another CPU-specific thing?
> >>
> >> Not CPU- but rather platform-specific. It is Thomas Renninger's
> >> mechanism to override BIOS tables.
> >
> > That's ACPI override. I think the ACPI tables could be put in
> kernel/x86/acpi/.
> >
> 
> kernel/acpi... ACPI is not x86-specific.

That's right.

Thanks.

-Fenghua
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