From: Ralf Baechle <ralf@uni-koblenz.de>
To: Oliver Neukum <oliver@neukum.name>
Cc: linux-kernel@vger.kernel.org
Subject: Re: question on spinlocks
Date: Sun, 1 Sep 2002 21:05:04 +0200 [thread overview]
Message-ID: <20020901210504.A22882@bacchus.dhis.org> (raw)
In-Reply-To: <200209011927.53853.oliver@neukum.name>; from oliver@neukum.name on Sun, Sep 01, 2002 at 07:27:53PM +0200
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.
Ralf
next prev parent reply other threads:[~2002-09-01 19:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-01 17:27 question on spinlocks Oliver Neukum
2002-09-01 19:05 ` Ralf Baechle [this message]
2002-09-01 21:53 ` Thunder from the hill
2002-09-01 22:02 ` Oliver Neukum
2002-09-01 22:09 ` Thunder from the hill
2002-09-01 22:11 ` Robert Love
2002-09-01 22:33 ` Oliver Neukum
2002-09-02 22:30 ` Jan Hudec
2002-09-03 22:13 ` george anzinger
2002-09-01 22:11 ` Robert Love
2002-09-01 22:08 ` Robert Love
2002-09-01 22:16 ` Thunder from the hill
[not found] ` <mailman.1030918200.24262.linux-kernel2news@redhat.com>
2002-09-03 20:09 ` Pete Zaitcev
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