Fix bogus DEBUG_PREEMPT warning on x86_64, when cpu brought online after
bootup: current_is_keventd is right to note its use of smp_processor_id
is preempt-safe, but should use raw_smp_processor_id to avoid the warning.
Signed-off-by: Hugh Dickins <[email protected]>
--- 2.6.23-rc3-git10/kernel/workqueue.c 2007-07-26 19:49:58.000000000 +0100
+++ linux/kernel/workqueue.c 2007-08-26 18:59:16.000000000 +0100
@@ -635,7 +635,7 @@ int keventd_up(void)
int current_is_keventd(void)
{
struct cpu_workqueue_struct *cwq;
- int cpu = smp_processor_id(); /* preempt-safe: keventd is per-cpu */
+ int cpu = raw_smp_processor_id(); /* preempt-safe: keventd is per-cpu */
int ret = 0;
BUG_ON(!keventd_wq);
-
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