linux-kernel - [PATCH] watchdog: hard lockup message should end with a newline

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Date:   Fri, 12 Apr 2019 15:25:57 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: [PATCH] watchdog: hard lockup message should end with a newline

Separate print_modules() and hard lockup error message.

Before the patch:
NMI watchdog: Watchdog detected hard LOCKUP on cpu 1Modules linked in: nls_cp437

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>
---
 kernel/watchdog_hld.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c
index 71381168dede..247bf0b1582c 100644
--- a/kernel/watchdog_hld.c
+++ b/kernel/watchdog_hld.c
@@ -135,7 +135,8 @@ static void watchdog_overflow_callback(struct perf_event *event,
 		if (__this_cpu_read(hard_watchdog_warn) == true)
 			return;
 
-		pr_emerg("Watchdog detected hard LOCKUP on cpu %d", this_cpu);
+		pr_emerg("Watchdog detected hard LOCKUP on cpu %d\n",
+			 this_cpu);
 		print_modules();
 		print_irqtrace_events(current);
 		if (regs)
-- 
2.21.0