From: Mike Galbraith <efault@gmx.de>
To: Steven Rostedt <rostedt@goodmis.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
linux-rt-users <linux-rt-users@vger.kernel.org>
Subject: Re: [ANNOUNCE] v4.11.5-rt1
Date: Mon, 19 Jun 2017 18:29:44 +0200 [thread overview]
Message-ID: <1497889784.15817.17.camel@gmx.de> (raw)
In-Reply-To: <20170619104131.05fdc76f@gandalf.local.home>
On Mon, 2017-06-19 at 10:41 -0400, Steven Rostedt wrote:
> On Mon, 19 Jun 2017 16:13:41 +0200
> Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote:
>
>
> > > Hmm, it shouldn't affect futexes, as it's only called by rtmutex when
> > > waiter->savestate is true. And that should always be false for futex.
> >
> > you still have sleeping locks like the hb-lock (which might matter in
> > case the task blocks on the lock and does not continue for some reason).
>
> But then I'd expect this to be an issue with any spinlock in the kernel.
Thing to do is set a trap for the bugger. I'll give that a go after I
get some beans/biscuits work done. For the nonce, what I've reported
is all I know.
-Mike
next prev parent reply other threads:[~2017-06-19 16:29 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-16 10:56 [ANNOUNCE] v4.11.5-rt1 Sebastian Andrzej Siewior
2017-06-17 8:14 ` Mike Galbraith
2017-06-18 6:46 ` Mike Galbraith
2017-06-19 8:52 ` Sebastian Andrzej Siewior
2017-06-19 10:14 ` Mike Galbraith
2017-06-19 10:44 ` Sebastian Andrzej Siewior
2017-06-19 11:31 ` Mike Galbraith
2017-06-19 11:50 ` Sebastian Andrzej Siewior
2017-06-19 12:55 ` Mike Galbraith
2017-06-19 14:06 ` Sebastian Andrzej Siewior
2017-06-19 14:36 ` Mike Galbraith
2017-06-19 15:03 ` Sebastian Andrzej Siewior
2017-06-19 16:14 ` Mike Galbraith
2017-06-19 16:27 ` Sebastian Andrzej Siewior
2017-06-19 16:46 ` Mike Galbraith
2017-06-19 14:08 ` Steven Rostedt
2017-06-19 14:13 ` Sebastian Andrzej Siewior
2017-06-19 14:41 ` Steven Rostedt
2017-06-19 16:29 ` Mike Galbraith [this message]
2017-06-20 7:45 ` Mike Galbraith
2017-06-22 16:34 ` Sebastian Andrzej Siewior
2017-06-22 17:30 ` Mike Galbraith
2017-06-22 21:36 ` Thomas Gleixner
2017-06-23 2:00 ` Mike Galbraith
2017-06-23 12:48 ` Sebastian Andrzej Siewior
2017-06-18 17:01 ` [patch-rt] rtmutex: Fix lock stealing logic Mike Galbraith
2017-06-23 7:37 ` [patch-rt v2] " Mike Galbraith
2017-06-23 10:07 ` Mike Galbraith
2017-06-26 13:47 ` Sebastian Andrzej Siewior
2017-06-23 13:33 ` Steven Rostedt
2017-06-23 14:07 ` Mike Galbraith
2017-06-23 14:14 ` Steven Rostedt
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