linux-kernel - [PATCH rcu 07/17] refscale: Add missing '\n' to flush message

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Message-Id: <20211202004337.3130175-7-paulmck@kernel.org>
Date:   Wed,  1 Dec 2021 16:43:26 -0800
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     rcu@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@...com, mingo@...nel.org,
        jiangshanlai@...il.com, akpm@...ux-foundation.org,
        mathieu.desnoyers@...icios.com, josh@...htriplett.org,
        tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
        dhowells@...hat.com, edumazet@...gle.com, fweisbec@...il.com,
        oleg@...hat.com, joel@...lfernandes.org,
        Li Zhijian <zhijianx.li@...el.com>,
        Davidlohr Bueso <dbueso@...e.de>,
        "Paul E . McKenney" <paulmck@...nel.org>
Subject: [PATCH rcu 07/17] refscale: Add missing '\n' to flush message

From: Li Zhijian <zhijianx.li@...el.com>

Add '\n' to macros to flush message for each call.

Acked-by: Davidlohr Bueso <dbueso@...e.de>
Signed-off-by: Li Zhijian <zhijianx.li@...el.com>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 kernel/rcu/refscale.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/kernel/rcu/refscale.c b/kernel/rcu/refscale.c
index e5b0c2160592b..bbf2e915f835c 100644
--- a/kernel/rcu/refscale.c
+++ b/kernel/rcu/refscale.c
@@ -44,7 +44,10 @@
 	pr_alert("%s" SCALE_FLAG s, scale_type, ## x)
 
 #define VERBOSE_SCALEOUT(s, x...) \
-	do { if (verbose) pr_alert("%s" SCALE_FLAG s, scale_type, ## x); } while (0)
+	do { \
+		if (verbose) \
+			pr_alert("%s" SCALE_FLAG s "\n", scale_type, ## x); \
+	} while (0)
 
 static atomic_t verbose_batch_ctr;
 
@@ -54,12 +57,12 @@ do {											\
 	    (verbose_batched <= 0 ||							\
 	     !(atomic_inc_return(&verbose_batch_ctr) % verbose_batched))) {		\
 		schedule_timeout_uninterruptible(1);					\
-		pr_alert("%s" SCALE_FLAG s, scale_type, ## x);				\
+		pr_alert("%s" SCALE_FLAG s "\n", scale_type, ## x);			\
 	}										\
 } while (0)
 
 #define SCALEOUT_ERRSTRING(s, x...) \
-	do { pr_alert("%s" SCALE_FLAG "!!! " s, scale_type, ## x); } while (0)
+	do { pr_alert("%s" SCALE_FLAG "!!! " s "\n", scale_type, ## x); } while (0)
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Joel Fernandes (Google) <joel@...lfernandes.org>");
@@ -842,7 +845,7 @@ ref_scale_init(void)
 		goto unwind;
 	}
 
-	VERBOSE_SCALEOUT("Starting %d reader threads\n", nreaders);
+	VERBOSE_SCALEOUT("Starting %d reader threads", nreaders);
 
 	for (i = 0; i < nreaders; i++) {
 		firsterr = torture_create_kthread(ref_scale_reader, (void *)i,
-- 
2.31.1.189.g2e36527f23