linux-kernel - Re: [PATCH] drm: fb helper should avoid sleeping in panic context

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Date:	Wed, 10 Dec 2014 21:19:34 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Rob Clark <robdclark@...il.com>, rui wang <ruiv.wang@...il.com>
Cc:	"airlied@...hat.com" <airlied@...hat.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>, tony.luck@...el.com,
	aris@...hat.com, rui.y.wang@...el.com,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm: fb helper should avoid sleeping in panic context

On Tue, Dec 09, 2014 at 08:05:21PM -0500, Rob Clark wrote:
> oh, whoops.. gmail hiding quoted text..
> 
> yeah, that looks sane,
> 
> Reviewed-by: Rob Clark <robdclark@...il.com>
> 
> On Tue, Dec 9, 2014 at 7:55 PM, rui wang <ruiv.wang@...il.com> wrote:
> > Hi Rob,
> > Yes it's exactly what I'm doing. Please scroll down and review my patch.
> >
> > Thanks
> > Rui
> >
> > On 12/10/14, Rob Clark <robdclark@...il.com> wrote:
> >> perhaps fb helpers could use __drm_modeset_lock_all() w/ trylock=true
> >> in panic context?
> >>
> >> BR,
> >> -R
> >>
> >> On Tue, Dec 9, 2014 at 7:09 PM, rui wang <ruiv.wang@...il.com> wrote:
> >>> Hi All,
> >>>
> >>> Any comment ? Or any better idea how this should be fixed?
> >>>
> >>> Regards,
> >>> Rui
> >>>

Dear gmail-ers,

A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?

Please stop the top-posting or use a mail client which doesn't
facilitate the idiocy.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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