Re: [PATCH 21/27] nohz: Only stop the tick on RCU nocb CPUs

2013-01-04 Thread Frederic Weisbecker
2013/1/2 Namhyung Kim : > You may want to add the following also to shut up the gcc: > > CC kernel/rcutree.o > In file included from /home/namhyung/project/linux/kernel/rcutree.c:58:0: > /home/namhyung/project/linux/kernel/rcutree.h:539:13: warning: > ‘is_nocb_cpu’ declared

Re: [PATCH 21/27] nohz: Only stop the tick on RCU nocb CPUs

2013-01-04 Thread Frederic Weisbecker
2013/1/2 Namhyung Kim namhy...@kernel.org: You may want to add the following also to shut up the gcc: CC kernel/rcutree.o In file included from /home/namhyung/project/linux/kernel/rcutree.c:58:0: /home/namhyung/project/linux/kernel/rcutree.h:539:13: warning: ‘is_nocb_cpu’

Re: [PATCH 21/27] nohz: Only stop the tick on RCU nocb CPUs

2013-01-02 Thread Namhyung Kim
Hi Frederic, On Sat, 29 Dec 2012 17:43:00 +0100, Frederic Weisbecker wrote: > On a full dynticks CPU, we want the RCU callbacks to be > offlined to another CPU, otherwise we need to keep > the tick to wait for the grace period completion. > > Ensure the full dynticks CPU is also an rcu_nocb one.

Re: [PATCH 21/27] nohz: Only stop the tick on RCU nocb CPUs

2013-01-02 Thread Namhyung Kim
Hi Frederic, On Sat, 29 Dec 2012 17:43:00 +0100, Frederic Weisbecker wrote: On a full dynticks CPU, we want the RCU callbacks to be offlined to another CPU, otherwise we need to keep the tick to wait for the grace period completion. Ensure the full dynticks CPU is also an rcu_nocb one.

[PATCH 21/27] nohz: Only stop the tick on RCU nocb CPUs

2012-12-29 Thread Frederic Weisbecker
On a full dynticks CPU, we want the RCU callbacks to be offlined to another CPU, otherwise we need to keep the tick to wait for the grace period completion. Ensure the full dynticks CPU is also an rcu_nocb one. Signed-off-by: Frederic Weisbecker Cc: Alessio Igor Bogani Cc: Andrew Morton Cc:

[PATCH 21/27] nohz: Only stop the tick on RCU nocb CPUs

2012-12-29 Thread Frederic Weisbecker
On a full dynticks CPU, we want the RCU callbacks to be offlined to another CPU, otherwise we need to keep the tick to wait for the grace period completion. Ensure the full dynticks CPU is also an rcu_nocb one. Signed-off-by: Frederic Weisbecker fweis...@gmail.com Cc: Alessio Igor Bogani