Messages in this thread | | | Date | Tue, 21 Aug 2012 22:05:40 -0700 | From | "Paul E. McKenney" <> | Subject | Re: linux-next: manual merge of the rcu tree with the tip tree |
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On Wed, Aug 22, 2012 at 02:27:35PM +1000, Stephen Rothwell wrote: > Hi Paul, > > Today's linux-next merge of the rcu tree got a conflict in > kernel/rcutree.h between commit 62ab7072476a ("rcu: Use > smp_hotplug_thread facility for RCUs per-CPU kthread") from the tip tree > and commit daa5d37ff51b ("rcu: Prevent force_quiescent_state() memory > contention") from the rcu tree. > > Just context changes (I think). I fixed it up (see below) and can carry > the fix as necessary.
This one also looks correct.
Thanx, Paul
> -- > Cheers, > Stephen Rothwell sfr@canb.auug.org.au > > diff --cc kernel/rcutree.h > index 1224d4c,c2a3e7d..0000000 > --- a/kernel/rcutree.h > +++ b/kernel/rcutree.h > @@@ -196,6 -200,13 +200,7 @@@ struct rcu_node > /* Refused to boost: not sure why, though. */ > /* This can happen due to race conditions. */ > #endif /* #ifdef CONFIG_RCU_BOOST */ > - struct task_struct *node_kthread_task; > - /* kthread that takes care of this rcu_node */ > - /* structure, for example, awakening the */ > - /* per-CPU kthreads as needed. */ > - unsigned int node_kthread_status; > - /* State of node_kthread_task for tracing. */ > + raw_spinlock_t fqslock ____cacheline_internodealigned_in_smp; > } ____cacheline_internodealigned_in_smp; > > /*
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