linux-kernel - Re: [PATCH] sound/core/control.c: hard-irq-safe -> hard-irq-unsafe lock warning

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Message-ID: <s5hir4ztfb3.wl%tiwai@suse.de>
Date:	Mon, 22 Oct 2007 16:05:52 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	bbpetkov@...oo.de
Cc:	perex@...ex.cz, lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sound/core/control.c: hard-irq-safe -> hard-irq-unsafe	lock warning

At Sun, 21 Oct 2007 12:56:00 +0200,
Borislav Petkov wrote:
> 
> Hi,
> 
> I get this on current git: v2.6.23-6597-gcfa76f0:
(snip)
> The following patch fixes it for me.
> 
> ---
> From: Borislav Petkov <bbpetkov@...oo.de>
> 
> The lock grabbed in snd_ctl_empty_read_queue() is hardirq-unsafe but we hold
> an hardirq-safe one already, so make the &ctl->read_lock also hard-irq-safe.
> 
> Signed-off-by: Borislav Petkov <bbpetkov@...oo.de>

Thanks, I applied the patch to ALSA tree now.


Takashi
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