From: Christoph Hellwig <hch@infradead.org>
To: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] wait-simple: Introduce the simple waitqueue implementation
Date: Thu, 12 Dec 2013 00:03:14 -0800 [thread overview]
Message-ID: <20131212080314.GA25783@infradead.org> (raw)
In-Reply-To: <1386810399-8973-2-git-send-email-paul.gortmaker@windriver.com>
On Wed, Dec 11, 2013 at 08:06:37PM -0500, Paul Gortmaker wrote:
> From: Thomas Gleixner <tglx@linutronix.de>
>
> The wait_queue is a swiss army knife and in most of the cases the
> full complexity is not needed. Here we provide a slim version, as
> it lowers memory consumption and runtime overhead.
Might it make more sense to just make the simple one the default and use
the complex one in the few cases that need it?
It would also be good to enumerate those cases. The wake callbacks come
to mind, but I guess there are more?
next prev parent reply other threads:[~2013-12-12 8:03 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-12 1:06 [PATCH 0/3] Introduce simple wait queues Paul Gortmaker
2013-12-12 1:06 ` [PATCH 1/3] wait-simple: Introduce the simple waitqueue implementation Paul Gortmaker
2013-12-12 1:58 ` Steven Rostedt
2013-12-12 2:09 ` Steven Rostedt
2013-12-12 8:03 ` Christoph Hellwig [this message]
2013-12-12 10:56 ` Thomas Gleixner
2013-12-12 14:48 ` Paul Gortmaker
2013-12-12 14:55 ` Steven Rostedt
2013-12-12 15:25 ` Thomas Gleixner
2013-12-12 15:44 ` Steven Rostedt
2013-12-12 15:30 ` Paul Gortmaker
2013-12-12 11:18 ` Peter Zijlstra
2013-12-12 11:20 ` Peter Zijlstra
2013-12-12 14:19 ` Paul Gortmaker
2013-12-12 16:17 ` Paul Gortmaker
2013-12-12 11:44 ` Peter Zijlstra
2013-12-12 14:42 ` Steven Rostedt
2013-12-12 16:03 ` Peter Zijlstra
2013-12-12 16:51 ` Steven Rostedt
2013-12-12 17:10 ` Steven Rostedt
2013-12-12 17:17 ` Peter Zijlstra
2013-12-12 1:06 ` [PATCH 2/3] sched/core: convert completions to use simple wait queues Paul Gortmaker
2013-12-12 1:06 ` [PATCH 3/3] rcu: use simple wait queues where possible in rcutree Paul Gortmaker
2013-12-12 3:42 ` Paul E. McKenney
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