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Date: Sun, 1 Sep 2002 15:53:53 -0600 (MDT)
From: Thunder from the hill <thunder@lightweight.ods.org>
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To: Ralf Baechle <ralf@uni-koblenz.de>
cc: Oliver Neukum <oliver@neukum.name>, <linux-kernel@vger.kernel.org>
Subject: Re: question on spinlocks
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Hi,

On Sun, 1 Sep 2002, Ralf Baechle wrote:
> On Sun, Sep 01, 2002 at 07:27:53PM +0200, Oliver Neukum wrote:
> > is the following sequence legal ?
> > 
> > spin_lock_irqsave(...);
> > ...
> > spin_unlock(...);
> > schedule();
> > spin_lock(...);
> > ...
> > spin_unlock_irqrestore(...);
> 
> No; spin_lock_irqsave/spin_unlock_irqrestore and spin_lock/spin_unlock
> have to be used in matching pairs.

If it was his least problem! He'll run straight into a "schedule w/IRQs 
disabled" bug.

			Thunder
-- 
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