linux-kernel - [tip: locking/core] kcsan: Use pr

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Date:   Fri, 09 Oct 2020 07:58:46 -0000
From:   "tip-bot2 for Marco Elver" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Marco Elver <elver@...gle.com>,
        "Paul E. McKenney" <paulmck@...nel.org>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: locking/core] kcsan: Use pr_fmt for consistency

The following commit has been merged into the locking/core branch of tip:

Commit-ID:     178a1877d782c034f466edd80e30a107af5469df
Gitweb:        https://git.kernel.org/tip/178a1877d782c034f466edd80e30a107af5469df
Author:        Marco Elver <elver@...gle.com>
AuthorDate:    Fri, 31 Jul 2020 10:17:23 +02:00
Committer:     Paul E. McKenney <paulmck@...nel.org>
CommitterDate: Mon, 24 Aug 2020 15:10:23 -07:00

kcsan: Use pr_fmt for consistency

Use the same pr_fmt throughout for consistency. [ The only exception is
report.c, where the format must be kept precisely as-is. ]

Signed-off-by: Marco Elver <elver@...gle.com>
Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
---
 kernel/kcsan/debugfs.c  | 8 +++++---
 kernel/kcsan/selftest.c | 8 +++++---
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/kernel/kcsan/debugfs.c b/kernel/kcsan/debugfs.c
index de1da1b..6c4914f 100644
--- a/kernel/kcsan/debugfs.c
+++ b/kernel/kcsan/debugfs.c
@@ -1,5 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 
+#define pr_fmt(fmt) "kcsan: " fmt
+
 #include <linux/atomic.h>
 #include <linux/bsearch.h>
 #include <linux/bug.h>
@@ -80,7 +82,7 @@ static noinline void microbenchmark(unsigned long iters)
 	 */
 	WRITE_ONCE(kcsan_enabled, false);
 
-	pr_info("KCSAN: %s begin | iters: %lu\n", __func__, iters);
+	pr_info("%s begin | iters: %lu\n", __func__, iters);
 
 	cycles = get_cycles();
 	while (iters--) {
@@ -91,7 +93,7 @@ static noinline void microbenchmark(unsigned long iters)
 	}
 	cycles = get_cycles() - cycles;
 
-	pr_info("KCSAN: %s end   | cycles: %llu\n", __func__, cycles);
+	pr_info("%s end   | cycles: %llu\n", __func__, cycles);
 
 	WRITE_ONCE(kcsan_enabled, was_enabled);
 	/* restore context */
@@ -154,7 +156,7 @@ static ssize_t insert_report_filterlist(const char *func)
 	ssize_t ret = 0;
 
 	if (!addr) {
-		pr_err("KCSAN: could not find function: '%s'\n", func);
+		pr_err("could not find function: '%s'\n", func);
 		return -ENOENT;
 	}
 
diff --git a/kernel/kcsan/selftest.c b/kernel/kcsan/selftest.c
index d26a052..d98bc20 100644
--- a/kernel/kcsan/selftest.c
+++ b/kernel/kcsan/selftest.c
@@ -1,5 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 
+#define pr_fmt(fmt) "kcsan: " fmt
+
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/printk.h>
@@ -116,16 +118,16 @@ static int __init kcsan_selftest(void)
 		if (do_test())                                                 \
 			++passed;                                              \
 		else                                                           \
-			pr_err("KCSAN selftest: " #do_test " failed");         \
+			pr_err("selftest: " #do_test " failed");               \
 	} while (0)
 
 	RUN_TEST(test_requires);
 	RUN_TEST(test_encode_decode);
 	RUN_TEST(test_matching_access);
 
-	pr_info("KCSAN selftest: %d/%d tests passed\n", passed, total);
+	pr_info("selftest: %d/%d tests passed\n", passed, total);
 	if (passed != total)
-		panic("KCSAN selftests failed");
+		panic("selftests failed");
 	return 0;
 }
 postcore_initcall(kcsan_selftest);