netdev - Re: [PATCH] IPV4 : Move ip route cache flush (secret

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Message-Id: <20071117.164542.253082483.davem@davemloft.net>
Date:	Sat, 17 Nov 2007 16:45:42 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	herbert@...dor.apana.org.au
Cc:	dada1@...mosbay.com, netdev@...r.kernel.org
Subject: Re: [PATCH] IPV4 : Move ip route cache flush (secret_rebuild) from
 softirq to workqueue

From: Herbert Xu <herbert@...dor.apana.org.au>
Date: Sun, 18 Nov 2007 00:29:39 +0800

> However, since you're already working on this as your next step
> I can wait :)

Me too.

Herbert, you asked about just nop'ing out cond_resched() when we're
doing real preemption.

A lot of code goes:

	if (need_resched()) {
		/* drop some locks, etc. */
		cond_resched();
		/* reacquire locks, etc. */
	}

So it has to do something even with real preemption enabled.
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