linux-kernel - Re: [PATCH] softirq: Avoid stack switch from ksoftirqd

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Date:	Wed, 02 Feb 2011 13:51:37 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	tglx@...utronix.de
Cc:	linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu,
	benh@...nel.crashing.org, heiko.carstens@...ibm.com,
	lethal@...ux-sh.org
Subject: Re: [PATCH] softirq: Avoid stack switch from ksoftirqd

From: Thomas Gleixner <tglx@...utronix.de>
Date: Wed, 2 Feb 2011 17:10:48 +0100 (CET)

> ksoftirqd() calls do_softirq() which switches stacks on several
> architectures. That makes no sense at all. ksoftirqd's stack is
> sufficient.
> 
> Call __do_softirq() directly.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Acked-by: David S. Miller <davem@...emloft.net>
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