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Re: [PATCH v2 1/2] sched: Add cond_resched_rcu_lock() helper

from [Peter Zijlstra] [Permanent Link]
To: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH v2 1/2] sched: Add cond_resched_rcu_lock() helper
Cc: Eric Dumazet <eric.dumazet@xxxxxxxxx>, Julian Anastasov <ja@xxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, lvs-devel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>, Dipankar Sarma <dipankar@xxxxxxxxxx>
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Wed, 1 May 2013 18:57:49 +0200 
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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