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From: Christoph Hellwig <hch@lst.de>
To: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-fbdev-devel@lists.sourceforge.net, linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 1/4 (updated)] ps3fb: thread updates
Date: Fri, 16 Feb 2007 17:38:11 +0100	[thread overview]
Message-ID: <20070216163811.GB32051@lst.de> (raw)
In-Reply-To: <Pine.LNX.4.62.0702161658530.8263@pademelon.sonytel.be>

> +	DEFINE_WAIT(wait);
> +	DECLARE_WAIT_QUEUE_HEAD(wq);
> +
> +	while (!kthread_should_stop()) {
> +		prepare_to_wait(&wq, &wait, TASK_INTERRUPTIBLE);
> +		if (!ps3fb.is_kicked)
> +			schedule();
> +		finish_wait(&wq, &wait);
> +		ps3fb.is_kicked = 0;
> +		ps3fb_sync(0);	/* single buffer */

should probably be just:

	while (!kthread_should_stop()) {
		ps3fb_sync(0);
		schedule();
	}

given that you don't need a waitqueue and a spurious wakeup here
seems harmless.
		

  reply	other threads:[~2007-02-16 16:38 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-15 15:23 [patch 0/4] PS3 AV/FB updates Geert.Uytterhoeven
2007-02-15 15:23 ` [patch 1/4] ps3fb: thread updates Geert.Uytterhoeven
2007-02-15 17:50   ` Christoph Hellwig
2007-02-15 21:43     ` Benjamin Herrenschmidt
2007-02-16  0:59       ` Andrew Morton
2007-02-16 15:58         ` Geert Uytterhoeven
2007-02-16 16:00         ` [PATCH 1/4 (updated)] " Geert Uytterhoeven
2007-02-16 16:38           ` Christoph Hellwig [this message]
2007-02-16 17:33             ` [Linux-fbdev-devel] " Geert Uytterhoeven
2007-02-19 14:07               ` Geert Uytterhoeven
2007-02-20 10:33                 ` Geert Uytterhoeven
2007-02-20 10:42                   ` [PATCH 1/4 (final?)] " Geert Uytterhoeven
2007-02-21 23:20                     ` Andrew Morton
2007-02-22  8:21                       ` Geert Uytterhoeven
2007-02-22 12:16                       ` Geert Uytterhoeven
2007-02-22 12:17                       ` [PATCH 1/4 (final)] " Geert Uytterhoeven
2007-02-16 16:03         ` [PATCH extra] ps3fb: atomic fixes Geert Uytterhoeven
2007-02-16 16:36         ` [patch 1/4] ps3fb: thread updates Christoph Hellwig
2007-02-15 15:23 ` [patch 2/4] ps3av: " Geert.Uytterhoeven
2007-02-15 15:23 ` [patch 3/4] ps3fb: kill superfluous zero initializations Geert.Uytterhoeven
2007-02-15 15:23 ` [patch 4/4] ps3av: misc updates Geert.Uytterhoeven
2007-02-15 15:48 ` [Linux-fbdev-devel] [patch 0/4] PS3 AV/FB updates James Simmons

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