linux-kernel - Re: [3.9-rc1 x86] Bug in ioremap code?

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Date:	Tue, 05 Mar 2013 17:35:00 -0800
From:	"H. Peter Anvin" <hpa@...ux.intel.com>
To:	"Yu, Fenghua" <fenghua.yu@...el.com>
CC:	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	"bp@...en8.de" <bp@...en8.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [3.9-rc1 x86] Bug in ioremap code?

On 03/05/2013 05:12 PM, Yu, Fenghua wrote:
> 
> Before setting page in 32-bit kernel boot, we load microcode. To access global variables in linear addr,  we use __pa_symbol(). There is no problem in native. Is this a problem in 32-bit guest kernel boot?
> 

Or is this tripping up the new debugging code?

	-hpa

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