linux-kernel - Re: [patch 1/3] net: serialize hrtimer callback in sched

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Message-Id: <20090714.090124.216664038.davem@davemloft.net>
Date:	Tue, 14 Jul 2009 09:01:24 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	kaber@...sh.net
Cc:	tglx@...utronix.de, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, peterz@...radead.org
Subject: Re: [patch 1/3] net: serialize hrtimer callback in sched_cbq

From: Patrick McHardy <kaber@...sh.net>
Date: Tue, 14 Jul 2009 10:22:02 +0200

> That's my understanding what HRTIMER_SOFTIRQ is used for. I think
> simply grabbing the root lock in cbq_undelay() should be fine.
> 
> Compile-tested only.

Unfortunately, as Peter and Thomas explained, this is not the case.
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