linux-kernel - [PATCH -v2 4/5] sysrq: convert printk to pr

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Date:	Fri,  5 Dec 2014 17:41:46 +0100
From:	Michal Hocko <mhocko@...e.cz>
To:	<linux-mm@...ck.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>,
	"\\\"Rafael J. Wysocki\\\"" <rjw@...ysocki.net>,
	David Rientjes <rientjes@...gle.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Oleg Nesterov <oleg@...hat.com>,
	Cong Wang <xiyou.wangcong@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, linux-pm@...r.kernel.org
Subject: [PATCH -v2 4/5] sysrq: convert printk to pr_* equivalent

While touching this area let's convert printk to pr_*. This also makes
the printing of continuation lines done properly.

Signed-off-by: Michal Hocko <mhocko@...e.cz>
---
 drivers/tty/sysrq.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c
index 42bad18c66c9..0071469ecbf1 100644
--- a/drivers/tty/sysrq.c
+++ b/drivers/tty/sysrq.c
@@ -90,7 +90,7 @@ static void sysrq_handle_loglevel(int key)
 
 	i = key - '0';
 	console_loglevel = CONSOLE_LOGLEVEL_DEFAULT;
-	printk("Loglevel set to %d\n", i);
+	pr_info("Loglevel set to %d\n", i);
 	console_loglevel = i;
 }
 static struct sysrq_key_op sysrq_loglevel_op = {
@@ -220,7 +220,7 @@ static void showacpu(void *dummy)
 		return;
 
 	spin_lock_irqsave(&show_lock, flags);
-	printk(KERN_INFO "CPU%d:\n", smp_processor_id());
+	pr_info("CPU%d:\n", smp_processor_id());
 	show_stack(NULL, NULL);
 	spin_unlock_irqrestore(&show_lock, flags);
 }
@@ -243,7 +243,7 @@ static void sysrq_handle_showallcpus(int key)
 		struct pt_regs *regs = get_irq_regs();
 
 		if (regs) {
-			printk(KERN_INFO "CPU%d:\n", smp_processor_id());
+			pr_info("CPU%d:\n", smp_processor_id());
 			show_regs(regs);
 		}
 		schedule_work(&sysrq_showallcpus);
@@ -522,7 +522,7 @@ void __handle_sysrq(int key, bool check_mask)
 	 */
 	orig_log_level = console_loglevel;
 	console_loglevel = CONSOLE_LOGLEVEL_DEFAULT;
-	printk(KERN_INFO "SysRq : ");
+	pr_info("SysRq : ");
 
         op_p = __sysrq_get_key_op(key);
         if (op_p) {
@@ -531,14 +531,14 @@ void __handle_sysrq(int key, bool check_mask)
 		 * should not) and is the invoked operation enabled?
 		 */
 		if (!check_mask || sysrq_on_mask(op_p->enable_mask)) {
-			printk("%s\n", op_p->action_msg);
+			pr_cont("%s\n", op_p->action_msg);
 			console_loglevel = orig_log_level;
 			op_p->handler(key);
 		} else {
-			printk("This sysrq operation is disabled.\n");
+			pr_cont("This sysrq operation is disabled.\n");
 		}
 	} else {
-		printk("HELP : ");
+		pr_cont("HELP : ");
 		/* Only print the help msg once per handler */
 		for (i = 0; i < ARRAY_SIZE(sysrq_key_table); i++) {
 			if (sysrq_key_table[i]) {
@@ -549,10 +549,10 @@ void __handle_sysrq(int key, bool check_mask)
 					;
 				if (j != i)
 					continue;
-				printk("%s ", sysrq_key_table[i]->help_msg);
+				pr_cont("%s ", sysrq_key_table[i]->help_msg);
 			}
 		}
-		printk("\n");
+		pr_cont("\n");
 		console_loglevel = orig_log_level;
 	}
 	rcu_read_unlock();
-- 
2.1.3

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