linux-kernel - Re: [PATCH v4] x86, efi: Calling __pa() with an ioremap'd address is invalid

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Date:	Thu, 08 Dec 2011 12:47:30 +0000
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Matthew Garrett <mjg@...hat.com>, linux-kernel@...r.kernel.org,
	x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, Zhang Rui <rui.zhang@...el.com>,
	Huang Ying <huang.ying.caritas@...il.com>
Subject: Re: [PATCH v4] x86, efi: Calling __pa() with an ioremap'd address
 is invalid

On Mon, 2011-12-05 at 13:32 +0100, Ingo Molnar wrote:
> * Matt Fleming <matt@...sole-pimps.org> wrote:
> 
> > Zhang, it'd be good to make sure that this still actually 
> > fixes your problem on CONFIG_X86_32. Also, if anyone has a 
> > Macbook Pro/Macbook Air, please make sure that this patch 
> > doesn't cause your machine to reboot/hang, as those machines 
> > tend to be the ones that this problem.
> 
> Ping - has it been tested on an affected box, can we apply it to 
> the x86 tree?

I've had confirmation from a tester that this fixes the CONFIG_X86_32
oops for them. No one with a macbook has stepped up to test it yet.

-- 
Matt Fleming, Intel Open Source Technology Center

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