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Date: Sat, 15 Jul 2017 18:36:54 +0800 From: Pierre Kuo <vichy.kuo@...il.com> To: pmladek@...e.com Cc: sergey.senozhatsky@...il.com, rostedt@...dmis.org, linux-kernel@...r.kernel.org, joe@...ches.com, pierre Kuo <vichy.kuo@...il.com> Subject: [PATCH] printk: modify console_unlock with printk-safe macros From: pierre Kuo <vichy.kuo@...il.com> 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@...il.com> --- 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
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