linux-kernel - [PATCH v2 2/2] x86: corruption-check: Change printk to the right fashion

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Date:   Tue, 14 Aug 2018 23:33:43 +0800
From:   <zhe.he@...driver.com>
To:     <tglx@...utronix.de>, <mingo@...hat.com>, <hpa@...or.com>,
        <x86@...nel.org>, <pombredanne@...b.com>,
        <gregkh@...uxfoundation.org>, <kstewart@...uxfoundation.org>,
        <linux-kernel@...r.kernel.org>
CC:     <zhe.he@...driver.com>
Subject: [PATCH v2 2/2] x86: corruption-check: Change printk to the right fashion

From: He Zhe <zhe.he@...driver.com>

pr_* is preferred according to scripts/checkpatch.pl.

Signed-off-by: He Zhe <zhe.he@...driver.com>
---
v2:
- Split printk cleanups into a single patch
- Add pr_fmt for mod name

 arch/x86/kernel/check.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c
index cc8258a..a3d9649 100644
--- a/arch/x86/kernel/check.c
+++ b/arch/x86/kernel/check.c
@@ -1,4 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/kthread.h>
@@ -128,7 +131,8 @@ void __init setup_bios_corruption_check(void)
 	}
 
 	if (num_scan_areas)
-		printk(KERN_INFO "Scanning %d areas for low memory corruption\n", num_scan_areas);
+		pr_info("Scanning %d areas for low memory corruption\n",
+			num_scan_areas);
 }
 
 
@@ -147,7 +151,7 @@ void check_for_bios_corruption(void)
 		for (; size; addr++, size -= sizeof(unsigned long)) {
 			if (!*addr)
 				continue;
-			printk(KERN_ERR "Corrupted low memory at %p (%lx phys) = %08lx\n",
+			pr_err("Corrupted low memory at %p (%lx phys) = %08lx\n",
 			       addr, __pa(addr), *addr);
 			corruption = 1;
 			*addr = 0;
@@ -172,7 +176,7 @@ static int start_periodic_check_for_corruption(void)
 	if (!num_scan_areas || !memory_corruption_check || corruption_check_period == 0)
 		return 0;
 
-	printk(KERN_INFO "Scanning for low memory corruption every %d seconds\n",
+	pr_info("Scanning for low memory corruption every %d seconds\n",
 	       corruption_check_period);
 
 	/* First time we run the checks right away */
-- 
2.7.4