[PATCH 1/2] printk: Debug patch1

[Jan Kara]

Signed-off-by: Jan Kara <jack@xxxxxxx>
---
 kernel/printk/printk.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 5ea6b148a1a6..da94dc18b6fa 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1649,6 +1649,7 @@ asmlinkage int vprintk_emit(int facility, int level,
 	 * console_sem which would prevent anyone from printing to console
 	 */
 	preempt_disable();
+	lockdep_off();
 	/*
 	 * Try to acquire and then immediately release the console semaphore.
 	 * The release will print out buffers and wake up /dev/kmsg and syslog()
@@ -1656,6 +1657,7 @@ asmlinkage int vprintk_emit(int facility, int level,
 	 */
 	if (console_trylock_for_printk())
 		console_unlock();
+	lockdep_on();
 	preempt_enable();
 
 	return printed_len;
-- 
1.8.1.4


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Content-Disposition: attachment; filename="0002-printk-Debug-patch-2.patch"