From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Thavatchai Makphaibulchoke <thavatchai.makpahibulchoke@hp.com>,
Thavatchai Makphaibulchoke <tmac@hp.com>,
linux-kernel@vger.kernel.org, mingo@redhat.com,
tglx@linutronix.de, linux-rt-users@vger.kernel.org
Subject: Re: [PATCH 3.14.25-rt22 1/2] rtmutex Real-Time Linux: Fixing kernel BUG at kernel/locking/rtmutex.c:997!
Date: Fri, 6 Mar 2015 13:19:21 +0100 [thread overview]
Message-ID: <20150306121921.GA10155@linutronix.de> (raw)
In-Reply-To: <20150226090610.7eb0ac61@gandalf.local.home>
* Steven Rostedt | 2015-02-26 09:06:10 [-0500]:
>If we can pull that off and remove all rtmutex trylocks from hardirq
>context, I would much rather do that.
>
>This hocus pocus coding is just going to lead us down the path of the
>black arts. I already have a black cat, so I'm good to go.
Okay. So what is the fix for v3.14 and other trees where the rtmutex
reworked has been integrated? Revert the optimization like I did in
v3.18?
Sebastian
next prev parent reply other threads:[~2015-03-06 12:19 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-20 1:31 [PATCH 3.14.25-rt22 0/2] rtmutex Real-Time Linux: fix kernel BUG at kernel/locking/rtmutex.c:997! and some optimization Thavatchai Makphaibulchoke
2015-02-20 1:31 ` [PATCH 3.14.25-rt22 1/2] rtmutex Real-Time Linux: Fixing kernel BUG at kernel/locking/rtmutex.c:997! Thavatchai Makphaibulchoke
2015-02-20 4:53 ` Steven Rostedt
2015-02-20 18:54 ` Thavatchai Makphaibulchoke
2015-02-21 1:49 ` Steven Rostedt
2015-02-23 18:37 ` Steven Rostedt
2015-02-24 0:16 ` Thavatchai Makphaibulchoke
2015-02-24 0:57 ` Steven Rostedt
2015-02-26 13:56 ` Sebastian Andrzej Siewior
2015-02-26 14:06 ` Steven Rostedt
2015-03-06 12:19 ` Sebastian Andrzej Siewior [this message]
2015-03-09 16:36 ` Steven Rostedt
2015-03-09 16:49 ` Sebastian Andrzej Siewior
2015-02-20 1:31 ` [PATCH 3.14.25-rt22 2/2] kernel/locking/rtmutex.c: some code optimization Thavatchai Makphaibulchoke
2015-04-07 1:26 ` [PATCH v2 0/2] rtmutex Real-Time Linux: fix BUG at kernel/locking/rtmutex.c:997! Thavatchai Makphaibulchoke
2015-04-07 1:26 ` [PATCH v2 1/2] rtmutex Real-Time Linux: Fixing kernel " Thavatchai Makphaibulchoke
2015-04-07 1:59 ` Steven Rostedt
2015-04-07 5:09 ` Mike Galbraith
2015-04-07 10:29 ` Peter Zijlstra
2015-04-07 10:49 ` Mike Galbraith
2015-04-07 10:56 ` Peter Zijlstra
2015-04-07 11:01 ` Mike Galbraith
2015-04-08 0:55 ` Thavatchai Makphaibulchoke
2015-04-08 8:50 ` Thomas Gleixner
2015-04-09 22:56 ` Thavatchai Makphaibulchoke
2015-04-07 11:23 ` Thomas Gleixner
2015-04-07 11:47 ` Mike Galbraith
2015-04-07 12:04 ` Peter Zijlstra
2015-04-07 12:07 ` Peter Zijlstra
2015-04-07 12:41 ` Steven Rostedt
2015-04-07 12:54 ` Peter Zijlstra
2015-04-07 13:58 ` Steven Rostedt
2015-04-07 18:12 ` Jason Low
2015-04-07 19:17 ` Thomas Gleixner
2015-04-07 19:57 ` Jason Low
2015-04-07 21:38 ` Thomas Gleixner
2015-04-07 1:26 ` [PATCH v2 2/2] kernel/locking/rtmutex.c: some code optimization Thavatchai Makphaibulchoke
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