From: David Miller <davem@davemloft.net>
To: tglx@linutronix.de
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org,
mingo@elte.hu, benh@kernel.crashing.org,
heiko.carstens@de.ibm.com, lethal@linux-sh.org
Subject: Re: [PATCH] softirq: Avoid stack switch from ksoftirqd
Date: Wed, 02 Feb 2011 13:51:37 -0800 (PST) [thread overview]
Message-ID: <20110202.135137.104048665.davem@davemloft.net> (raw)
In-Reply-To: <alpine.LFD.2.00.1102021704530.31804@localhost6.localdomain6>
From: Thomas Gleixner <tglx@linutronix.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@linutronix.de>
Acked-by: David S. Miller <davem@davemloft.net>
next prev parent reply other threads:[~2011-02-02 21:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-02 16:10 [PATCH] softirq: Avoid stack switch from ksoftirqd Thomas Gleixner
2011-02-02 16:24 ` Peter Zijlstra
2011-02-02 21:51 ` David Miller [this message]
2011-02-02 23:32 ` Frank Rowand
2011-02-08 18:39 ` [tip:irq/core] " tip-bot for Thomas Gleixner
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