Messages in this thread | | | Date | Fri, 2 Feb 2007 07:56:46 -0800 | From | "Paul E. McKenney" <> | Subject | Re: [RFC PATCH -rt 1/2] RCU priority boosting that survives vicious testing |
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On Thu, Feb 01, 2007 at 09:23:33AM +0100, Ingo Molnar wrote: > > * 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.
Sorry for the %d noise! :-/
I will send another patch addressing Nigel's freeze_processes() review comments.
Thanx, Paul
> 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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