[PATCH] printk: modify console_unlock with printk-safe macros
From: Pierre Kuo
Date: Sat Jul 15 2017 - 06:37:25 EST
From: pierre Kuo <vichy.kuo@xxxxxxxxx>
In commit de6fcbdb68b2 ("printk: convert the rest to printk-safe"), we
create 4 helper macros to make printk-safe usage easier.
Here we modify some part of console_unlock with above marcros.
Signed-off-by: Pierre Kuo <vichy.kuo@xxxxxxxxx>
---
kernel/printk/printk.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index fc47863..21557cc 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2194,8 +2194,7 @@ void console_unlock(void)
size_t ext_len = 0;
size_t len;
- printk_safe_enter_irqsave(flags);
- raw_spin_lock(&logbuf_lock);
+ logbuf_lock_irqsave(flags);
if (seen_seq != log_next_seq) {
wake_klogd = true;
seen_seq = log_next_seq;
@@ -2267,8 +2266,7 @@ void console_unlock(void)
*/
raw_spin_lock(&logbuf_lock);
retry = console_seq != log_next_seq;
- raw_spin_unlock(&logbuf_lock);
- printk_safe_exit_irqrestore(flags);
+ logbuf_unlock_irqrestore(flags);
if (retry && console_trylock())
goto again;
--
1.7.9.5