From: Thomas Gleixner <tglx@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Lai Jiangshan <laijs@cn.fujitsu.com>
Subject: Re: [patch 4/6] rtmutex: Confine deadlock logic to futex
Date: Wed, 28 May 2014 22:28:23 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.10.1405282227130.3952@nanos> (raw)
In-Reply-To: <20140522071039.GO30445@twins.programming.kicks-ass.net>
On Thu, 22 May 2014, Peter Zijlstra wrote:
> On Thu, May 22, 2014 at 03:25:50AM -0000, Thomas Gleixner wrote:
> > The builtin tester is gone,, so the deadlock logic is now only
> > required for futexes.
> >
> > Remove the extra arguments for the public functions and also for the
> > futex specific ones which get always called with deadlock detection
> > enabled.
>
> This reminds me, the raw rt_mutex primitives have no lockdep support,
> and we've grown a few users in-tree. We should fix that.
It shouldn't be that hard. We just need to exclude the futex mess ...
Thanks,
tglx
next prev parent reply other threads:[~2014-05-28 20:28 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-22 3:25 [patch 0/6] rtmutex: Repair deadlock detector and cleanup Thomas Gleixner
2014-05-22 3:25 ` [patch 1/6] rtmutex: Fix deadlock detector for real Thomas Gleixner
2014-05-27 22:09 ` Steven Rostedt
2014-05-28 9:57 ` Thomas Gleixner
2014-05-28 19:28 ` [tip:core/urgent] " tip-bot for Thomas Gleixner
2014-05-22 3:25 ` [patch 2/6] rtmutex: Remove builtin tester Thomas Gleixner
2014-05-30 21:36 ` Steven Rostedt
2014-05-22 3:25 ` [patch 3/6] rtmutex: Cleanup deadlock detector debug logic Thomas Gleixner
2014-05-30 22:08 ` Steven Rostedt
2014-06-21 20:32 ` [tip:locking/core] " tip-bot for Thomas Gleixner
2014-05-22 3:25 ` [patch 4/6] rtmutex: Confine deadlock logic to futex Thomas Gleixner
2014-05-22 7:10 ` Peter Zijlstra
2014-05-28 20:28 ` Thomas Gleixner [this message]
2014-05-31 2:06 ` Steven Rostedt
2014-05-22 3:25 ` [patch 5/6] rtmutex: Clarify the lock chain walk Thomas Gleixner
2014-05-31 2:19 ` Steven Rostedt
2014-05-22 3:25 ` [patch 6/6] rtmutex: Avoid pointless requeueing in the deadlock detection " Thomas Gleixner
2014-05-27 22:49 ` Jason Low
2014-05-28 9:43 ` Thomas Gleixner
2014-05-31 2:21 ` Steven Rostedt
2014-06-21 20:33 ` [tip:locking/core] " tip-bot for Thomas Gleixner
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