linux-kernel - Re: [PATCH 1/3] wait-simple: Introduce the simple waitqueue implementation

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Date:	Wed, 11 Dec 2013 21:09:03 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] wait-simple: Introduce the simple waitqueue
 implementation


> --- /dev/null
> +++ b/kernel/swait.c
> @@ -0,0 +1,118 @@
> +/*
> + * Simple waitqueues without fancy flags and callbacks

We should probably have a more detailed description of when to use
simple wait queues verses normal wait queues. These are obviously much
lighter wait, and should be the preferred method unless you need a
feature of the more heavy weight wait queues.

-- Steve

"weight wait" Ha! Don't get to use that very often ;-)


> + *
> + * (C) 2011 Thomas Gleixner <tglx@...utronix.de>
> + *
> + * Based on kernel/wait.c
> + *
> + * For licencing details see kernel-base/COPYING
> + */
> +#include <linux/init.h>
> +#include <linux/export.h>
> +#include <linux/sched.h>
> +#include <linux/swait.h>
--
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