From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Nicholas Mc Guire <der.herr@hofr.at>
Cc: linux-rt-users@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Andreas Platschek <platschek@ict.tuwien.ac.at>
Subject: Re: [PATCH] migrate_disable pushd down in rt_read_trylock
Date: Sun, 15 Dec 2013 14:16:43 +0100 [thread overview]
Message-ID: <20131215131643.GC31090@linutronix.de> (raw)
In-Reply-To: <20131130064755.GA12036@opentech.at>
* Nicholas Mc Guire | 2013-11-30 07:47:55 [+0100]:
>given that the broken patch was disabling once and enabling potentially a
>number of times it should have triggert the
>WARN_ON_ONCE(p->migrate_disable <= 0); in migrate_enable() if the recursive
>case would have ever bin hit... so much to testing and locking...
And is why I removed the line
> No change of functionality
from the change log because it was not obvious to me that is a
zero-change patch :)
Are you going to redo this one?
>thx!
>hofrat
Sebastian
next prev parent reply other threads:[~2013-12-15 13:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-23 0:51 [PATCH] migrate_disable pushd down in rt_read_trylock Nicholas Mc Guire
2013-11-29 15:14 ` Sebastian Andrzej Siewior
2013-11-29 15:44 ` Sebastian Andrzej Siewior
2013-11-30 2:30 ` Nicholas Mc Guire
2013-11-30 6:47 ` Nicholas Mc Guire
2013-12-15 13:16 ` Sebastian Andrzej Siewior [this message]
2013-12-15 14:15 ` Nicholas Mc Guire
2013-12-15 15:06 ` Sebastian Andrzej Siewior
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