linux-kernel - [PATCH rcu 12/17] locktorture,rcutorture,torture: Always log error message

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Date:   Wed,  1 Dec 2021 16:43:31 -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 12/17] locktorture,rcutorture,torture: Always log error message

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

Unconditionally log messages corresponding to errors.

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>
---
 include/linux/torture.h      | 9 ++-------
 kernel/locking/locktorture.c | 4 ++--
 kernel/rcu/rcutorture.c      | 8 ++++----
 kernel/torture.c             | 4 ++--
 4 files changed, 10 insertions(+), 15 deletions(-)

diff --git a/include/linux/torture.h b/include/linux/torture.h
index 24f58e50a94b8..63fa4196e51cb 100644
--- a/include/linux/torture.h
+++ b/include/linux/torture.h
@@ -38,13 +38,8 @@ do {										\
 		pr_alert("%s" TORTURE_FLAG " %s\n", torture_type, s);		\
 	}									\
 } while (0)
-#define VERBOSE_TOROUT_ERRSTRING(s) \
-do {										\
-	if (verbose) {								\
-		verbose_torout_sleep();						\
-		pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s);	\
-	}									\
-} while (0)
+#define TOROUT_ERRSTRING(s) \
+	pr_alert("%s" TORTURE_FLAG "!!! %s\n", torture_type, s)
 void verbose_torout_sleep(void);
 
 #define torture_init_error(firsterr)						\
diff --git a/kernel/locking/locktorture.c b/kernel/locking/locktorture.c
index 397ac13d2ef75..9c2fb613a55d2 100644
--- a/kernel/locking/locktorture.c
+++ b/kernel/locking/locktorture.c
@@ -1047,7 +1047,7 @@ static int __init lock_torture_init(void)
 				       sizeof(writer_tasks[0]),
 				       GFP_KERNEL);
 		if (writer_tasks == NULL) {
-			VERBOSE_TOROUT_ERRSTRING("writer_tasks: Out of memory");
+			TOROUT_ERRSTRING("writer_tasks: Out of memory");
 			firsterr = -ENOMEM;
 			goto unwind;
 		}
@@ -1058,7 +1058,7 @@ static int __init lock_torture_init(void)
 				       sizeof(reader_tasks[0]),
 				       GFP_KERNEL);
 		if (reader_tasks == NULL) {
-			VERBOSE_TOROUT_ERRSTRING("reader_tasks: Out of memory");
+			TOROUT_ERRSTRING("reader_tasks: Out of memory");
 			kfree(writer_tasks);
 			writer_tasks = NULL;
 			firsterr = -ENOMEM;
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 503e14e62e8f2..36a273589a35c 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -2774,7 +2774,7 @@ static int rcu_torture_read_exit(void *unused)
 				     &trs, "%s",
 				     "rcu_torture_read_exit_child");
 		if (IS_ERR(tsp)) {
-			VERBOSE_TOROUT_ERRSTRING("out of memory");
+			TOROUT_ERRSTRING("out of memory");
 			errexit = true;
 			tsp = NULL;
 			break;
@@ -3101,7 +3101,7 @@ rcu_torture_init(void)
 					   sizeof(fakewriter_tasks[0]),
 					   GFP_KERNEL);
 		if (fakewriter_tasks == NULL) {
-			VERBOSE_TOROUT_ERRSTRING("out of memory");
+			TOROUT_ERRSTRING("out of memory");
 			firsterr = -ENOMEM;
 			goto unwind;
 		}
@@ -3117,7 +3117,7 @@ rcu_torture_init(void)
 	rcu_torture_reader_mbchk = kcalloc(nrealreaders, sizeof(*rcu_torture_reader_mbchk),
 					   GFP_KERNEL);
 	if (!reader_tasks || !rcu_torture_reader_mbchk) {
-		VERBOSE_TOROUT_ERRSTRING("out of memory");
+		TOROUT_ERRSTRING("out of memory");
 		firsterr = -ENOMEM;
 		goto unwind;
 	}
@@ -3136,7 +3136,7 @@ rcu_torture_init(void)
 	if (nrealnocbers > 0) {
 		nocb_tasks = kcalloc(nrealnocbers, sizeof(nocb_tasks[0]), GFP_KERNEL);
 		if (nocb_tasks == NULL) {
-			VERBOSE_TOROUT_ERRSTRING("out of memory");
+			TOROUT_ERRSTRING("out of memory");
 			firsterr = -ENOMEM;
 			goto unwind;
 		}
diff --git a/kernel/torture.c b/kernel/torture.c
index bb8f411c974b8..ef27a6c824514 100644
--- a/kernel/torture.c
+++ b/kernel/torture.c
@@ -570,7 +570,7 @@ int torture_shuffle_init(long shuffint)
 	shuffle_idle_cpu = -1;
 
 	if (!alloc_cpumask_var(&shuffle_tmp_mask, GFP_KERNEL)) {
-		VERBOSE_TOROUT_ERRSTRING("Failed to alloc mask");
+		TOROUT_ERRSTRING("Failed to alloc mask");
 		return -ENOMEM;
 	}
 
@@ -934,7 +934,7 @@ int _torture_create_kthread(int (*fn)(void *arg), void *arg, char *s, char *m,
 	*tp = kthread_run(fn, arg, "%s", s);
 	if (IS_ERR(*tp)) {
 		ret = PTR_ERR(*tp);
-		VERBOSE_TOROUT_ERRSTRING(f);
+		TOROUT_ERRSTRING(f);
 		*tp = NULL;
 	}
 	torture_shuffle_task_register(*tp);
-- 
2.31.1.189.g2e36527f23