linux-kernel - Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early update ucode on Intel's CPU

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Message-ID: <50C96717.3020407@zytor.com>
Date:	Wed, 12 Dec 2012 21:26:47 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Borislav Petkov <bp@...en8.de>, Yinghai Lu <yinghai@...nel.org>,
	"Yu, Fenghua" <fenghua.yu@...el.com>,
	"mingo@...nel.org" <mingo@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"hpa@...ux.intel.com" <hpa@...ux.intel.com>,
	"linux-tip-commits@...r.kernel.org" 
	<linux-tip-commits@...r.kernel.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Stefano Stabellini <Stefano.Stabellini@...citrix.com>
Subject: Re: [tip:x86/microcode] x86/microcode_intel_early.c: Early update
 ucode on Intel's CPU

On 12/12/2012 09:12 PM, H. Peter Anvin wrote:
> Here is a version that compiles.  It doesn't *boot* yet, because the
> switchover from dynamic mode to the real pagetables doesn't happen right
> and so we end up on an uninitialized set of page tables.
>
> The new page table setup in tip:x86/mm2 should make that easier to
> achieve, however... I won't have time to test this out tonight, though.
>
>      -hpa

Well, minus a simple brainfart now it actually gets into the page table 
setup.

	-hpa


-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.


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