linux-kernel - Re: [PATCH] Revert "x86, efi: Calling __pa() with an ioremap()ed address is invalid"

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Date:	Mon, 12 Dec 2011 04:11:50 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Keith Packard <keithp@...thp.com>,
	linux-kernel@...r.kernel.org,
	Matt Fleming <matt.fleming@...el.com>,
	Matthew Garrett <mjg@...hat.com>,
	Zhang Rui <rui.zhang@...el.com>,
	Huang Ying <huang.ying.caritas@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] Revert "x86, efi: Calling __pa() with an ioremap()ed
 address is invalid"


* H. Peter Anvin <hpa@...or.com> wrote:

> > That said, if you've verified that if fails for you, I guess 
> > we should revert regardless. Matt, any suggestions for tests 
> > to do?
> > 
> 
> Also... I'd like to know what machines, if any, would break 
> without the patch, so we can figure out what has to be tested.

The offending commit has this bugzilla:

        https://bugzilla.redhat.com/show_bug.cgi?id=748516

Which says this about the orignal failing system:

| Additional info:
| From the affected system:
| dmidecode | grep -i product
|  Product Name: MacBookAir1,1
|  Product Name: Mac-F42C8CC8

Thanks,

	Ingo
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