From: Christoph Hellwig <hch@lst.de>
To: Geert.Uytterhoeven@sonycom.com
Cc: linuxppc-dev@ozlabs.org,
Andrew Morton <akpm@linux-foundation.org>,
linux-fbdev-devel@lists.sourceforge.net
Subject: Re: [patch 1/4] ps3fb: thread updates
Date: Thu, 15 Feb 2007 18:50:07 +0100 [thread overview]
Message-ID: <20070215175007.GA10817@lst.de> (raw)
In-Reply-To: <20070215152432.264415000@sonycom.com>
On Thu, Feb 15, 2007 at 04:23:02PM +0100, Geert.Uytterhoeven@sonycom.com wrote:
> + do {
> + try_to_freeze();
> + error = down_interruptible(&ps3fb.sem);
> + if (!error && !atomic_read(&ps3fb.ext_flip))
> ps3fb_sync(0); /* single buffer */
this still can deadlock when calling kthread_stop. You really want
to use wake_up_process to kick this thread or use a workqueue.
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Geert.Uytterhoeven@sonycom.com
Cc: linuxppc-dev@ozlabs.org,
Andrew Morton <akpm@linux-foundation.org>,
linux-fbdev-devel@lists.sourceforge.net
Subject: Re: [patch 1/4] ps3fb: thread updates
Date: Thu, 15 Feb 2007 18:50:07 +0100 [thread overview]
Message-ID: <20070215175007.GA10817@lst.de> (raw)
In-Reply-To: <20070215152432.264415000@sonycom.com>
On Thu, Feb 15, 2007 at 04:23:02PM +0100, Geert.Uytterhoeven@sonycom.com wrote:
> + do {
> + try_to_freeze();
> + error = down_interruptible(&ps3fb.sem);
> + if (!error && !atomic_read(&ps3fb.ext_flip))
> ps3fb_sync(0); /* single buffer */
this still can deadlock when calling kthread_stop. You really want
to use wake_up_process to kick this thread or use a workqueue.
next prev parent reply other threads:[~2007-02-15 17:50 UTC|newest]
Thread overview: 39+ 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 ` Geert.Uytterhoeven
2007-02-15 15:23 ` [patch 1/4] ps3fb: thread updates Geert.Uytterhoeven
2007-02-15 15:23 ` Geert.Uytterhoeven
2007-02-15 17:50 ` Christoph Hellwig [this message]
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 15:58 ` Geert Uytterhoeven
2007-02-16 16:00 ` [PATCH 1/4 (updated)] " Geert Uytterhoeven
2007-02-16 16:00 ` Geert Uytterhoeven
2007-02-16 16:38 ` Christoph Hellwig
2007-02-16 16:38 ` Christoph Hellwig
2007-02-16 17:33 ` Geert Uytterhoeven
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
2007-02-21 23:20 ` Andrew Morton
2007-02-22 8:21 ` Geert Uytterhoeven
2007-02-22 8:21 ` Geert Uytterhoeven
2007-02-22 12:16 ` Geert Uytterhoeven
2007-02-22 12:16 ` Geert Uytterhoeven
2007-02-22 12:17 ` [PATCH 1/4 (final)] " Geert Uytterhoeven
2007-02-22 12:17 ` Geert Uytterhoeven
2007-02-16 16:03 ` [PATCH extra] ps3fb: atomic fixes Geert Uytterhoeven
2007-02-16 16:03 ` Geert Uytterhoeven
2007-02-16 16:36 ` [patch 1/4] ps3fb: thread updates Christoph Hellwig
2007-02-16 16:36 ` Christoph Hellwig
2007-02-15 15:23 ` [patch 2/4] ps3av: " Geert.Uytterhoeven
2007-02-15 15:23 ` Geert.Uytterhoeven
2007-02-15 15:23 ` [patch 3/4] ps3fb: kill superfluous zero initializations Geert.Uytterhoeven
2007-02-15 15:23 ` Geert.Uytterhoeven
2007-02-15 15:23 ` [patch 4/4] ps3av: misc updates Geert.Uytterhoeven
2007-02-15 15:23 ` Geert.Uytterhoeven
2007-02-15 15:48 ` [patch 0/4] PS3 AV/FB updates James Simmons
2007-02-15 15:48 ` [Linux-fbdev-devel] " James Simmons
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