linux-kernel - Re: [PATCH] drm: avoid switching to text console if there is no panic timeout

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Date:	Thu, 10 Nov 2011 21:29:16 +0000
From:	Dave Airlie <airlied@...il.com>
To:	Mandeep Singh Baines <msb@...omium.org>
Cc:	David Rientjes <rientjes@...gle.com>,
	Hugh Dickins <hughd@...gle.com>, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, Dave Airlie <airlied@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Hugh Dickins <hughd@...omium.org>
Subject: Re: [PATCH] drm: avoid switching to text console if there is no panic timeout

On Thu, Nov 10, 2011 at 9:15 PM, Mandeep Singh Baines <msb@...omium.org> wrote:
> David Rientjes (rientjes@...gle.com) wrote:
>> On Mon, 17 Oct 2011, David Rientjes wrote:
>>
>> > On Mon, 17 Oct 2011, Mandeep Singh Baines wrote:
>> >
>> > > From: Hugh Dickins <hughd@...omium.org>
>> > >
>> > > Add a check for panic_timeout in the drm_fb_helper_panic() notifier: if
>> > > we're going to reboot immediately, the user will not be able to see the
>> > > messages anyway, and messing with the video mode may display artifacts,
>> > > and certainly get into several layers of complexity (including mutexes and
>> > > memory allocations) which we shall be much safer to avoid.
>> > >
>> > > Signed-off-by: Hugh Dickins <hughd@...gle.com>
>> > > [ Edited commit message and modified to short-circuit panic_timeout < 0
>> > >   instead of testing panic_timeout >= 0.  -Mandeep ]
>> > > Signed-off-by: Mandeep Singh Baines <msb@...omium.org>
>> > > Cc: Dave Airlie <airlied@...hat.com>
>> > > Cc: Andrew Morton <akpm@...ux-foundation.org>
>> > > Cc: dri-devel@...ts.freedesktop.org
>> >
>> > Acked-by: David Rientjes <rientjes@...gle.com>
>> >
>>
>> Dave, where do we stand on this?  I haven't seen it hit Linus' tree and I
>> don't see it in git://people.freedesktop.org/~airlied/linux.

I've just pulled it into my local drm-next, thanks for reminding me.

Dave.
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