From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-kernel@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Maarten Lankhorst <maarten.lankhorst@canonical.com>
Subject: Re: [PATCH 2/3] locking: ww_mutex: Allow to use rt_mutex instead of mutex for the baselock
Date: Mon, 02 Mar 2015 04:20:36 +0100 [thread overview]
Message-ID: <1425266436.7429.8.camel@gmail.com> (raw)
In-Reply-To: <1425056229-22326-3-git-send-email-bigeasy@linutronix.de>
On Fri, 2015-02-27 at 17:57 +0100, Sebastian Andrzej Siewior wrote:
> This patch makes it possible to replace the base mutex by a rt_mutex. In
> general one would not do this.
I would argue that the thing should be born as a full fledged primitive,
not a config option, as an rt_ww_mutex is the ww extension of rt_mutex.
We have to do the global substitution in -rt, but why should it not
exist in its own right in mainline?
-Mike
next prev parent reply other threads:[~2015-03-02 3:20 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-27 16:57 rt_mutex based ww_mutex implementation Sebastian Andrzej Siewior
2015-02-27 16:57 ` [PATCH 1/3] locking: ww_mutex: add one level of indirection for access of the lock Sebastian Andrzej Siewior
2015-02-27 18:20 ` Maarten Lankhorst
2015-02-27 18:57 ` Sebastian Andrzej Siewior
2015-02-27 16:57 ` [PATCH 2/3] locking: ww_mutex: Allow to use rt_mutex instead of mutex for the baselock Sebastian Andrzej Siewior
2015-03-02 3:20 ` Mike Galbraith [this message]
2015-03-02 8:46 ` Maarten Lankhorst
2015-03-02 12:50 ` Mike Galbraith
2015-03-06 12:14 ` Sebastian Andrzej Siewior
2015-03-06 12:16 ` Maarten Lankhorst
2015-03-06 12:36 ` Sebastian Andrzej Siewior
2015-03-06 17:50 ` Mike Galbraith
2015-03-09 10:00 ` Sebastian Andrzej Siewior
2015-03-09 10:51 ` Mike Galbraith
2015-03-09 11:07 ` Sebastian Andrzej Siewior
2015-03-09 11:29 ` Mike Galbraith
2015-03-09 13:21 ` Sebastian Andrzej Siewior
2015-03-09 22:27 ` Paul E. McKenney
2015-03-10 12:30 ` Peter Zijlstra
2015-03-10 12:37 ` Peter Zijlstra
2015-03-10 12:39 ` Peter Zijlstra
2015-03-10 14:10 ` Maarten Lankhorst
2015-03-10 15:28 ` Peter Zijlstra
2015-03-10 18:21 ` Maarten Lankhorst
2015-03-10 12:43 ` Peter Zijlstra
2015-03-10 12:46 ` Peter Zijlstra
2015-02-27 16:57 ` [PATCH 3/3] locking: rtmutex: set state back to running on error Sebastian Andrzej Siewior
2015-02-28 10:00 ` [tip:locking/urgent] locking/rtmutex: Set " tip-bot for Sebastian Andrzej Siewior
2015-03-01 5:35 ` [PATCH 3/3] locking: rtmutex: set " Mike Galbraith
2015-03-01 8:48 ` [tip:locking/urgent] locking/rtmutex: Set " tip-bot for Sebastian Andrzej Siewior
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