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Subject: Re: spinlocking between user context / tasklet / tophalf question
To: george@mvista.com (george anzinger)
Date: Sat, 27 Apr 2002 20:13:26 +0100 (BST)
Cc: emmanuel_michon@realmagic.fr (Emmanuel Michon),
        linux-kernel@vger.kernel.org
In-Reply-To: <3CC9816B.88C080A3@mvista.com> from "george anzinger" at Apr 26, 2002 09:33:47 AM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> Tasklets are run in interrupt context.  You need the irq versions of the

Not always. Ksoftirqd...


> spinlock in kernel space.  In tasklet space a simple spinlock should be
> enough as the tasklet can not be reentered.

That depends what you are locking against.
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