linux-kernel - Re: 3.8-rc2: EFI framebuffer lock inversion...

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Message-Id: <20130103120603.6f8e94a7.akpm@linux-foundation.org>
Date:	Thu, 3 Jan 2013 12:06:03 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Daniel J Blueman <daniel@...ra.org>,
	Peter Jones <pjones@...hat.com>,
	"linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
	nouveau@...ts.freedesktop.org,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>
Subject: Re: 3.8-rc2: EFI framebuffer lock inversion...

On Thu, 3 Jan 2013 11:40:47 -0800
Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> On Thu, Jan 3, 2013 at 5:11 AM, Alan Cox <alan@...rguk.ukuu.org.uk> wrote:
> >
> > The fb layer locking was broken. I posted patches early December which
> > should have fixed the ones we know about. ('fb: Rework locking to fix
> > lock ordering on takeover').
> 
> That patch causes compile errors with "allmodconfig":
> 
>   ERROR: "do_take_over_console" [drivers/video/console/fbcon.ko] undefined!
>   make[1]: *** [__modpost] Error 1
>   make: *** [modules] Error 2
>   make: *** Waiting for unfinished jobs....
> 
> Hmm?

I have a couple of fixes against
fb-rework-locking-to-fix-lock-ordering-on-takeover.patch:

http://ozlabs.org/~akpm/mmots/broken-out/fb-rework-locking-to-fix-lock-ordering-on-takeover-fix.patch
http://ozlabs.org/~akpm/mmots/broken-out/fb-rework-locking-to-fix-lock-ordering-on-takeover-fix-2.patch

Florian has been busy for a month or two - I've been waiting for him to
reappear to consider this patch.
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