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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2012-07-16 10:42:38 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-08-13 17:01:08 +0200 |
| commit | 62ab7072476ae1600e877cc62b43758e485f4f1e (patch) | |
| tree | c1df0992432cf5bae0f9122d606e73628368fb8e /kernel/rcutree_trace.c | |
| parent | bcd951cf10f24e341defcd002c15a1f4eea13ddb (diff) | |
| download | lwn-62ab7072476ae1600e877cc62b43758e485f4f1e.tar.gz lwn-62ab7072476ae1600e877cc62b43758e485f4f1e.zip | |
rcu: Use smp_hotplug_thread facility for RCUs per-CPU kthread
Bring RCU into the new-age CPU-hotplug fold by modifying RCU's per-CPU
kthread code to use the new smp_hotplug_thread facility.
[ tglx: Adapted it to use callbacks and to the simplified rcu yield ]
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20120716103948.673354828@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/rcutree_trace.c')
| -rw-r--r-- | kernel/rcutree_trace.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c index abffb486e94e..31968931f146 100644 --- a/kernel/rcutree_trace.c +++ b/kernel/rcutree_trace.c @@ -108,11 +108,10 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp) rdp->nxttail[RCU_WAIT_TAIL]], ".D"[&rdp->nxtlist != rdp->nxttail[RCU_DONE_TAIL]]); #ifdef CONFIG_RCU_BOOST - seq_printf(m, " kt=%d/%c/%d ktl=%x", + seq_printf(m, " kt=%d/%c ktl=%x", per_cpu(rcu_cpu_has_work, rdp->cpu), convert_kthread_status(per_cpu(rcu_cpu_kthread_status, rdp->cpu)), - per_cpu(rcu_cpu_kthread_cpu, rdp->cpu), per_cpu(rcu_cpu_kthread_loops, rdp->cpu) & 0xffff); #endif /* #ifdef CONFIG_RCU_BOOST */ seq_printf(m, " b=%ld", rdp->blimit); |