From: Paul Mundt <lethal@linux-sh.org>
To: linux-sh@vger.kernel.org
Subject: Re: [bug report] dead lock (?) occur on ap325 board
Date: Tue, 27 Jan 2009 08:49:21 +0000 [thread overview]
Message-ID: <20090127084920.GA7630@linux-sh.org> (raw)
In-Reply-To: <uprie4cmj.wl%morimoto.kuninori@renesas.com>
On Tue, Jan 27, 2009 at 05:46:57PM +0900, morimoto.kuninori@renesas.com wrote:
> > Hmm, the !__ex_flag should have handled that case properly, but I wonder
> > if it is negated in the unlock case. Does switching to __res |= __ex_flag
> > and leaving the existing test as-is fix it?
>
> Sorry difficult English.
> Do you say like this ?
>
> --------------
> __res |= __ex_flag;
> if (unlikely(__res <= 0))
> --------------
>
> Dead lock occur in this case. kernel can not boot.
>
Ok, I'll debug it a bit more then, thanks.
next prev parent reply other threads:[~2009-01-27 8:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-23 9:04 [bug report] dead lock (?) occur on ap325 board morimoto.kuninori
2009-01-26 2:20 ` Paul Mundt
2009-01-26 5:01 ` morimoto.kuninori
2009-01-27 8:26 ` morimoto.kuninori
2009-01-27 8:32 ` Paul Mundt
2009-01-27 8:46 ` morimoto.kuninori
2009-01-27 8:49 ` Paul Mundt [this message]
2009-01-28 1:25 ` morimoto.kuninori
2009-01-28 9:29 ` Takashi Yoshii
2009-01-28 10:03 ` Paul Mundt
2009-01-29 0:34 ` yoshii.takashi
2009-01-29 23:54 ` morimoto.kuninori
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