linux-kernel - Re: [PATCH v2 1/2] sched: Add cond_resched_rcu

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Message-ID: <20130501165748.GD7521@dyad.programming.kicks-ass.net>
Date:	Wed, 1 May 2013 18:57:49 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	Eric Dumazet <eric.dumazet@...il.com>,
	Julian Anastasov <ja@....bg>,
	Simon Horman <horms@...ge.net.au>,
	Ingo Molnar <mingo@...hat.com>, lvs-devel@...r.kernel.org,
	netdev@...r.kernel.org, netfilter-devel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Pablo Neira Ayuso <pablo@...filter.org>,
	Dipankar Sarma <dipankar@...ibm.com>
Subject: Re: [PATCH v2 1/2] sched: Add cond_resched_rcu_lock() helper

On Wed, May 01, 2013 at 09:02:18AM -0700, Paul E. McKenney wrote:
> My guess would be for the case where sched_preempt_enable_no_resched()
> is followed some time later by cond_resched().

I might hope not.. preempt_enable_no_resched() is nasty and you're likely to be
hit with a frozen fish of sorts by tglx if you try to use it ;-)
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