From: Andi Kleen <andi@firstfloor.org>
To: David Miller <davem@davemloft.net>
Cc: andi@firstfloor.org, linux-kernel@vger.kernel.org,
sparclinux@vger.kernel.org
Subject: Re: NMI watchdog + NOHZ question
Date: Wed, 24 Jun 2009 09:03:15 +0200 [thread overview]
Message-ID: <20090624070315.GH6760@one.firstfloor.org> (raw)
In-Reply-To: <20090623.171735.154729801.davem@davemloft.net>
> I'm not exactly sure what to do about this.
Ack the timer interrupt earlier (and also give it a high priority?)
That could be still problematic if you have non nestabled irq stacks
(haven't checked if sparc has that or not),
potentially you might need to run the softirq on the process stack.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-06-24 7:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-22 7:27 NMI watchdog + NOHZ question David Miller
2009-06-22 8:18 ` Andi Kleen
2009-06-22 9:27 ` David Miller
2009-06-24 0:17 ` David Miller
2009-06-24 7:03 ` Andi Kleen [this message]
2009-06-24 7:08 ` David Miller
2009-06-24 7:15 ` Andi Kleen
2009-06-24 7:17 ` David Miller
2009-06-24 7:53 ` Andi Kleen
2009-06-24 8:51 ` David Miller
2009-06-24 9:44 ` David Miller
2009-06-24 10:23 ` Andi Kleen
2009-06-24 10:32 ` David Miller
2009-06-24 10:52 ` Andi Kleen
2009-06-24 10:59 ` David Miller
2009-06-24 11:10 ` Andi Kleen
2009-09-03 9:36 ` David Miller
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