Messages in this thread Patch in this message | | | Date | Thu, 1 Feb 2007 09:23:33 +0100 | From | Ingo Molnar <> | Subject | Re: [RFC PATCH -rt 1/2] RCU priority boosting that survives vicious testing |
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* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> Here is the RCU priority-boosting patch. Pretty close to the > http://lkml.org/lkml/2007/1/24/295 version. This patch prevents > preempted or blocked low-priority RCU readers from indefinitely > stalling RCU grace periods.
thanks - i've applied both patches to -rt and it's looking good so far! Find a small cosmetic fix below.
Ingo
Index: linux/kernel/rcupreempt.c =================================================================== --- linux.orig/kernel/rcupreempt.c +++ linux/kernel/rcupreempt.c @@ -489,7 +489,7 @@ void init_rcu_boost_late(void) rcu_boost_task = kthread_run(rcu_booster, NULL, "RCU Prio Booster"); if (IS_ERR(rcu_boost_task)) { printk(KERN_ALERT - "Unable to create RCU Priority Booster, errno %d\n", + "Unable to create RCU Priority Booster, errno %ld\n", -PTR_ERR(rcu_boost_task)); /* - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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