From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Dave Airlie <airlied@gmail.com>
Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.sf.net,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vt/console: try harder to print output when panicing
Date: Wed, 23 Jun 2010 15:43:05 +0000 [thread overview]
Message-ID: <20100623084305.033df51e@virtuousgeek.org> (raw)
In-Reply-To: <1277262779-19338-1-git-send-email-airlied@gmail.com>
On Wed, 23 Jun 2010 13:12:59 +1000
Dave Airlie <airlied@gmail.com> wrote:
> From: Jesse Barnes <jbarnes@virtuousgeek.org>
>
> Jesse's initial patch commit said:
>
> "At panic time (i.e. when oops_in_progress is set) we should try a bit
> harder to update the screen and make sure output gets to the VT, since
> some drivers are capable of flipping back to it.
>
> So make sure we try to unblank and update the display if called from a
> panic context."
>
> I've enhanced this to add a flag to the vc that console layer can set
> to indicate they want this behaviour to occur. This also adds support
> to fbcon for that flag and adds an fb flag for drivers to indicate
> they want to use the support. It enables this for KMS drivers.
>
> Signed-off-by: Dave Airlie <airlied@redhat.com>
> ---
Yeah this looks a little nicer, thanks.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
--
Jesse Barnes, Intel Open Source Technology Center
WARNING: multiple messages have this Message-ID (diff)
From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Dave Airlie <airlied@gmail.com>
Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.sf.net,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vt/console: try harder to print output when panicing
Date: Wed, 23 Jun 2010 08:43:05 -0700 [thread overview]
Message-ID: <20100623084305.033df51e@virtuousgeek.org> (raw)
In-Reply-To: <1277262779-19338-1-git-send-email-airlied@gmail.com>
On Wed, 23 Jun 2010 13:12:59 +1000
Dave Airlie <airlied@gmail.com> wrote:
> From: Jesse Barnes <jbarnes@virtuousgeek.org>
>
> Jesse's initial patch commit said:
>
> "At panic time (i.e. when oops_in_progress is set) we should try a bit
> harder to update the screen and make sure output gets to the VT, since
> some drivers are capable of flipping back to it.
>
> So make sure we try to unblank and update the display if called from a
> panic context."
>
> I've enhanced this to add a flag to the vc that console layer can set
> to indicate they want this behaviour to occur. This also adds support
> to fbcon for that flag and adds an fb flag for drivers to indicate
> they want to use the support. It enables this for KMS drivers.
>
> Signed-off-by: Dave Airlie <airlied@redhat.com>
> ---
Yeah this looks a little nicer, thanks.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2010-06-23 15:43 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-23 3:12 [PATCH] vt/console: try harder to print output when panicing Dave Airlie
2010-06-23 3:12 ` Dave Airlie
2010-06-23 15:43 ` Jesse Barnes [this message]
2010-06-23 15:43 ` Jesse Barnes
2010-06-23 15:43 ` Jesse Barnes
2010-06-23 15:57 ` James Simmons
2010-06-23 15:57 ` James Simmons
2010-06-23 15:57 ` James Simmons
2010-06-23 19:56 ` Andrew Morton
2010-06-23 19:56 ` Andrew Morton
2010-06-23 19:56 ` Andrew Morton
2010-06-23 20:05 ` Jesse Barnes
2010-06-23 20:05 ` Jesse Barnes
2010-06-23 20:36 ` Andrew Morton
2010-06-23 20:36 ` Andrew Morton
2010-06-23 20:40 ` Jesse Barnes
2010-06-23 20:40 ` Jesse Barnes
2010-06-23 20:40 ` Jesse Barnes
2010-06-23 20:36 ` Andrew Morton
2010-06-23 20:05 ` Jesse Barnes
-- strict thread matches above, loose matches on Subject: below --
2010-06-23 3:12 Dave Airlie
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