lvs-devel
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To: | "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx> |
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Subject: | Re: [PATCH v2 1/2] sched: Add cond_resched_rcu_lock() helper |
Cc: | Julian Anastasov <ja@xxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>, Eric Dumazet <eric.dumazet@xxxxxxxxx>, 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: | Thu, 2 May 2013 09:27:43 +0200 |
On Wed, May 01, 2013 at 07:32:58AM -0700, Paul E. McKenney wrote: > Here is how to detect this: > > static void inline cond_resched_rcu_lock(void) > { > rcu_read_unlock(); > WARN_ON_ONCE(rcu_read_lock_held()); > #ifndef CONFIG_PREEMPT_RCU > cond_resched(); > #endif > rcu_read_lock(); > } The __might_sleep(__FILE__, __LINE__, PREEMPT_RCU_OFFSET) I posted in the other email just now should deal with this. -- To unsubscribe from this list: send the line "unsubscribe lvs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html |
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