From: Steven Rostedt <rostedt@goodmis.org>
To: Mike Galbraith <bitbucket@online.de>
Cc: linux-kernel@vger.kernel.org,
linux-rt-users <linux-rt-users@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Carsten Emde <C.Emde@osadl.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
John Kacur <jkacur@redhat.com>
Subject: Re: [PATCH RT 4/8] rtmutex: use a trylock for waiter lock in trylock
Date: Thu, 16 Jan 2014 23:22:28 -0500 [thread overview]
Message-ID: <20140116232228.0f3cfb89@gandalf.local.home> (raw)
In-Reply-To: <1389841737.5418.14.camel@marge.simpson.net>
On Thu, 16 Jan 2014 04:08:57 +0100
Mike Galbraith <bitbucket@online.de> wrote:
> On Wed, 2014-01-15 at 20:58 -0500, Steven Rostedt wrote:
>
>
> > 3.2.53-rt76-rc1 stable review patch.
> > If anyone has any objections, please let me know.
>
> Not sure this is needed without the tglx don't unconditionally raise
> timer softirq patch, and with that patch applied in the form it exists
> in 3.12-rt9, as well as this one, you'll still eventually deadlock.
Hmm, I'll have to take a look. This sounds to be missing from all the
stable -rt kernels. I'll be pulling in the latest updates from 3.12-rt
soon.
Thanks,
-- Steve
next prev parent reply other threads:[~2014-01-17 4:22 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-16 1:58 [PATCH RT 0/8] Linux 3.2.53-rt76-rc1 Steven Rostedt
2014-01-16 1:58 ` [PATCH RT 1/8] cpu_down: move migrate_enable() back Steven Rostedt
2014-01-16 1:58 ` [PATCH RT 2/8] swait: Add a few more users Steven Rostedt
2014-01-16 1:58 ` [PATCH RT 3/8] lockdep: Correctly annotate hardirq context in irq_exit() Steven Rostedt
2014-01-16 1:58 ` [PATCH RT 4/8] rtmutex: use a trylock for waiter lock in trylock Steven Rostedt
2014-01-16 3:08 ` Mike Galbraith
2014-01-17 4:22 ` Steven Rostedt [this message]
2014-01-17 5:17 ` Mike Galbraith
2014-01-31 22:07 ` Sebastian Andrzej Siewior
2014-02-01 4:21 ` Mike Galbraith
2014-02-01 4:54 ` Mike Galbraith
2014-01-16 1:58 ` [PATCH RT 5/8] smp: introduce a generic on_each_cpu_mask() function Steven Rostedt
2014-01-16 1:58 ` [PATCH RT 6/8] smp: add func to IPI cpus based on parameter func Steven Rostedt
2014-01-16 1:58 ` [PATCH RT 7/8] fs: only send IPI to invalidate LRU BH when needed Steven Rostedt
2014-01-16 1:58 ` [PATCH RT 8/8] Linux 3.2.53-rt76-rc1 Steven Rostedt
2014-01-16 9:41 ` [PATCH RT 0/8] " Pavel Vasilyev
2014-01-16 14:18 ` Steven Rostedt
2014-01-16 14:36 ` Pavel Vasilyev
2014-01-16 15:09 ` Steven Rostedt
2014-01-16 16:08 ` Steven Rostedt
2014-01-16 17:19 ` Pavel Vasilyev
2014-01-16 16:18 ` Sebastian Andrzej Siewior
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