* [PATCH] powerpc: fix DEBUG_PREEMPT warning when warning
@ 2008-02-08 18:25 Hugh Dickins
0 siblings, 0 replies; only message in thread
From: Hugh Dickins @ 2008-02-08 18:25 UTC (permalink / raw)
To: Paul Mackerras; +Cc: linuxppc-dev, linux-kernel
The powerpc show_regs prints CPU using smp_processor_id: change that to
raw_smp_processor_id, so that when it's showing a WARN_ON backtrace without
preemption disabled, DEBUG_PREEMPT doesn't mess up that warning with its own.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
---
powerpc/kernel/process.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 2.6.24-git18/arch/powerpc/kernel/process.c 2008-01-24 22:58:37.000000000 +0000
+++ linux/arch/powerpc/kernel/process.c 2008-02-08 12:01:31.000000000 +0000
@@ -462,7 +462,7 @@ void show_regs(struct pt_regs * regs)
current, task_pid_nr(current), current->comm, task_thread_info(current));
#ifdef CONFIG_SMP
- printk(" CPU: %d", smp_processor_id());
+ printk(" CPU: %d", raw_smp_processor_id());
#endif /* CONFIG_SMP */
for (i = 0; i < 32; i++) {
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2008-02-08 18:25 [PATCH] powerpc: fix DEBUG_PREEMPT warning when warning Hugh Dickins
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