linux-kernel - Re: [PATCH RT] tasklet/rt: Prevent tasklets from going into infinite spin in RT

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Message-ID: <20111129215039.344b5109@redhat.com>
Date:	Tue, 29 Nov 2011 21:50:39 -0600
From:	Clark Williams <williams@...hat.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	RT <linux-rt-users@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>,
	"Luis Claudio R. Goncalves" <lclaudio@...g.org>
Subject: Re: [PATCH RT] tasklet/rt: Prevent tasklets from going into
 infinite spin in RT

On Tue, 29 Nov 2011 20:55:20 -0500
Steven Rostedt <rostedt@...dmis.org> wrote:

> Ingo,
> 
> I forward ported this code from 2.6.33.9-rt31, but I think you were the
> original author, as I found most of this code in the
> "tasklet-redesign.patch" from my broken out 2.6.24-rt patches. I
> committed it into my git tree (stable-rt) under your name, and added the
> Signed-off-by that you had in that patch, if you have and objections,
> please let me know. This patch should never see mainline, but it will
> probably be going into the -rt branch. I wrote up this change log, if
> there's something you don't like in it, let me know and I'll fix it.
> 
> Luis and Clark (I love saying that),

No matter how many times you say it, I'm still not treking across the
USA with Luis. :)

> 
> I booted this patch against 3.0-rt stable, and it didn't crash ;)
> Could you apply it and see if it fixes the hang that you've been seeing.
> 

Yeah, since Luis is a couple of time zones ahead of us, maybe it'll all
be fixed when we get up in the morning.

Clark

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