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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2013-06-08 13:47:31 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2013-06-20 15:46:43 +0200 |
| commit | 5b8621a68fdcd2baf1d3b413726f913a5254d46a (patch) | |
| tree | 936ee10cd6fc62f6e7a31fc5d2d2e8ed657bd371 /kernel/time | |
| parent | 940be35ac0139530d7554aa2352a8388e3d4adca (diff) | |
| download | linux-5b8621a68fdcd2baf1d3b413726f913a5254d46a.tar.bz2 | |
nohz: Remove obsolete check for full dynticks CPUs to be RCU nocbs
Building full dynticks now implies that all CPUs are forced
into RCU nocb mode through CONFIG_RCU_NOCB_CPU_ALL.
The dynamic check has become useless.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Li Zhong <zhong@linux.vnet.ibm.com>
Cc: Borislav Petkov <bp@alien8.de>
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/tick-sched.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index d87d22cb9bf2..b15750139260 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -351,16 +351,6 @@ void __init tick_nohz_init(void) } cpu_notifier(tick_nohz_cpu_down_callback, 0); - - /* Make sure full dynticks CPU are also RCU nocbs */ - for_each_cpu(cpu, nohz_full_mask) { - if (!rcu_is_nocb_cpu(cpu)) { - pr_warning("NO_HZ: CPU %d is not RCU nocb: " - "cleared from nohz_full range", cpu); - cpumask_clear_cpu(cpu, nohz_full_mask); - } - } - cpulist_scnprintf(nohz_full_buf, sizeof(nohz_full_buf), nohz_full_mask); pr_info("NO_HZ: Full dynticks CPUs: %s.\n", nohz_full_buf); } |