[Cluster-devel] [PATCH 1/2] printk: Debug patch1
Jan Kara
jack at suse.cz
Fri Oct 10 14:23:29 UTC 2014
Signed-off-by: Jan Kara <jack at suse.cz>
---
kernel/printk/printk.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index ea2d5f6962ed..a39f4129f848 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1718,7 +1718,6 @@ asmlinkage int vprintk_emit(int facility, int level,
logbuf_cpu = UINT_MAX;
raw_spin_unlock(&logbuf_lock);
- lockdep_on();
local_irq_restore(flags);
/* If called from the scheduler, we can not call up(). */
@@ -1738,6 +1737,9 @@ asmlinkage int vprintk_emit(int facility, int level,
if (console_trylock_for_printk())
console_unlock();
preempt_enable();
+ local_irq_save(flags);
+ lockdep_on();
+ local_irq_restore(flags);
return printed_len;
}
--
1.8.1.4
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