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| author | Ingo Molnar <mingo@elte.hu> | 2010-12-16 11:22:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-12-16 11:22:27 +0100 |
| commit | 006b20fe4c69189b0d854e5eabf269e50ca86cdd (patch) | |
| tree | 948b08825a36114c85ddc2bfcd965c261e32810f /kernel/printk.c | |
| parent | 5f29805a4f4627e766f862ff9f10c14f5f314359 (diff) | |
| parent | d949750fed168b6553ca11ed19e4affd19d7a4d7 (diff) | |
| download | linux-006b20fe4c69189b0d854e5eabf269e50ca86cdd.tar.bz2 | |
Merge branch 'perf/urgent' into perf/core
Merge reason: We want to apply a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/printk.c')
| -rw-r--r-- | kernel/printk.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 9a2264fc42ca..a23315dc4498 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -1082,13 +1082,15 @@ void printk_tick(void) int printk_needs_cpu(int cpu) { + if (unlikely(cpu_is_offline(cpu))) + printk_tick(); return per_cpu(printk_pending, cpu); } void wake_up_klogd(void) { if (waitqueue_active(&log_wait)) - __raw_get_cpu_var(printk_pending) = 1; + this_cpu_write(printk_pending, 1); } /** |