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

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Date:	Sun, 11 Dec 2011 18:59:43 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Keith Packard <keithp@...thp.com>
Cc:	linux-kernel@...r.kernel.org,
	Matt Fleming <matt.fleming@...el.com>,
	"H. Peter Anvin" <hpa@...or.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>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH] Revert "x86, efi: Calling __pa() with an ioremap()ed
 address is invalid"

On Sun, Dec 11, 2011 at 4:12 PM, Keith Packard <keithp@...thp.com> wrote:
> This hangs my MacBook Air at boot time; I get no console messages at
> all. I reverted this on top of -rc5 and my machine boots again.

Interesting. Current -git works for me on my 11" Macbook Air. Which
should be identical to yours. This is the 4GB RAM, 128GB disk version,
no?

But I'm running OpenSUSE, and you're running Debian, right? And our
kernel configs are probably wildly different, since I tend to try to
boot a fairly minimal set.

That said, if you've verified that if fails for you, I guess we should
revert regardless. Matt, any suggestions for tests to do?

                       Linus
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