netdev - Re: [PATCH ipvs-next] ipvs: Remove rcu_read_unlock();rcu_read

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Date:	Thu, 25 Apr 2013 07:04:03 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Simon Horman <horms@...ge.net.au>
Cc:	Hans Schillstrom <hans@...illstrom.com>,
	Julian Anastasov <ja@....bg>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	lvs-devel@...r.kernel.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org,
	Wensong Zhang <wensong@...ux-vs.org>
Subject: Re: [PATCH ipvs-next] ipvs: Remove
 rcu_read_unlock();rcu_read_lock();

On Thu, 2013-04-25 at 22:36 +0900, Simon Horman wrote:

> Ok, leaving it seems reasonable.
> Pablo, do you have any objections?

I have objections.

I would _add_ a cond_resched() there to explicitly do what we want

Maybe a macro/inline doing this already exists.

static void inline cond_resched_rcu_lock(void)
{
	if (need_resched()) {
		rcu_read_unlock();
		cond_resched();
		rcu_read_lock();
	}
}





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