From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@kernel.org, tglx@linutronix.de, juri.lelli@arm.com,
rostedt@goodmis.org, xlpang@redhat.com,
linux-kernel@vger.kernel.org, mathieu.desnoyers@efficios.com,
jdesfossez@efficios.com, bristot@redhat.com
Subject: Re: [RFC][PATCH 4/4] futex: Rewrite FUTEX_UNLOCK_PI
Date: Wed, 5 Oct 2016 09:41:47 +0200 [thread overview]
Message-ID: <20161005074147.qws2fx2n3o56y2r4@linutronix.de> (raw)
In-Reply-To: <20161003091847.704255067@infradead.org>
On 2016-10-03 11:12:38 [+0200], Peter Zijlstra wrote:
> There's a number of 'interesting' problems with FUTEX_UNLOCK_PI, all
> caused by holding hb->lock while doing the rt_mutex_unlock()
> equivalient.
are those problems DL related?
Sebastian
next prev parent reply other threads:[~2016-10-05 7:41 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-03 9:12 [RFC][PATCH 0/4] FUTEX_UNLOCK_PI wobbles Peter Zijlstra
2016-10-03 9:12 ` [RFC][PATCH 1/4] futex: Cleanup variable names for futex_top_waiter() Peter Zijlstra
2016-10-03 14:15 ` Steven Rostedt
2016-10-05 3:58 ` Davidlohr Bueso
2016-10-03 9:12 ` [RFC][PATCH 2/4] futex: Use smp_store_release() in mark_wake_futex() Peter Zijlstra
2016-10-03 14:19 ` Steven Rostedt
2016-10-05 3:57 ` Davidlohr Bueso
2016-10-05 6:20 ` Peter Zijlstra
2016-10-03 9:12 ` [RFC][PATCH 3/4] futex: Remove rt_mutex_deadlock_account_*() Peter Zijlstra
2016-10-03 9:34 ` Peter Zijlstra
2016-10-03 14:25 ` Steven Rostedt
2016-10-05 1:08 ` Davidlohr Bueso
2016-10-05 7:29 ` Sebastian Andrzej Siewior
2016-10-03 9:12 ` [RFC][PATCH 4/4] futex: Rewrite FUTEX_UNLOCK_PI Peter Zijlstra
2016-10-03 15:36 ` Steven Rostedt
2016-10-03 15:44 ` Peter Zijlstra
2016-10-03 15:45 ` Peter Zijlstra
2016-10-03 16:23 ` Steven Rostedt
2016-10-05 7:41 ` Sebastian Andrzej Siewior [this message]
2016-10-05 8:09 ` Peter Zijlstra
2016-10-05 8:21 ` Sebastian Andrzej Siewior
2016-10-05 8:32 ` Peter Zijlstra
2016-10-06 10:29 ` Peter Zijlstra
2016-10-07 11:21 ` Peter Zijlstra
2016-10-08 15:53 ` Thomas Gleixner
2016-10-08 16:55 ` Peter Zijlstra
2016-10-08 17:06 ` Thomas Gleixner
2016-10-10 10:17 ` Thomas Gleixner
2016-10-10 11:40 ` Peter Zijlstra
2016-10-21 12:27 ` Peter Zijlstra
2016-10-27 20:36 ` Thomas Gleixner
2016-11-23 19:20 ` Peter Zijlstra
2016-11-24 16:52 ` Peter Zijlstra
2016-11-24 17:56 ` Thomas Gleixner
2016-11-24 18:58 ` Peter Zijlstra
2016-11-25 9:23 ` Peter Zijlstra
2016-11-25 10:03 ` Peter Zijlstra
2016-11-25 19:13 ` Thomas Gleixner
2016-11-25 14:09 ` Peter Zijlstra
2016-10-08 18:22 ` Thomas Gleixner
2016-10-09 11:17 ` Thomas Gleixner
2016-10-10 14:06 ` Peter Zijlstra
2016-10-05 1:02 ` [RFC][PATCH 0/4] FUTEX_UNLOCK_PI wobbles Davidlohr Bueso
2016-10-05 6:20 ` Peter Zijlstra
2016-10-05 7:26 ` Sebastian Andrzej Siewior
2016-10-05 16:04 ` Davidlohr Bueso
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