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

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Message-ID: <CAE9FiQUs499b4Y54rNVrQQ4DVkV3_06++Wi=RDSQsuDUKuFyBQ@mail.gmail.com>
Date:	Fri, 14 Dec 2012 13:07:49 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Borislav Petkov <bp@...en8.de>,
	"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 Fri, Dec 14, 2012 at 12:04 PM, Yinghai Lu <yinghai@...nel.org> wrote:
> On Fri, Dec 14, 2012 at 11:46 AM, H. Peter Anvin <hpa@...or.com> wrote:
>>
>> That patch doesn't apply on top of the merge of x86/mm2 and
>> linus/master.  A trivial fixup is totally nonfunctional -- no
>> earlyprintk, just a null pointer death in setup_real_mode().
>
> just saw linus pulled efi fix that is touching real_mode/init.c.
> and there is something wrong with it.

one of change in efi pull make us can not call
kernel_pysical_mapping_init early...

please check attached...

also move init_mapping_kernel to setup.c instead to make lock init
warning go away.

again, it still has problem with SMP.

Download attachment "fix_trampoline_pgd.patch" of type "application/octet-stream" (3876 bytes)

Download attachment "hpa_pf_set_page_table_3.patch" of type "application/octet-stream" (16249 bytes)