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Subject[PATCH v3 2/2] printk: Add KBUILD_MODNAME and correct wrong casting
Date
From: He Zhe <zhe.he@windriver.com>

Add KBUILD_MODNAME to make prints more clear and correct wrong casting that
might cut off the normal output.

Signed-off-by: He Zhe <zhe.he@windriver.com>
Cc: pmladek@suse.com
Cc: sergey.senozhatsky@gmail.com
Cc: rostedt@goodmis.org
---
v2:
Correct one more place
v3:
Correct wrong casting

kernel/printk/printk.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index d9821c0..6b059a0 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -16,6 +16,8 @@
* 01Mar01 Andrew Morton
*/

+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/tty.h>
@@ -2358,8 +2360,9 @@ void console_unlock(void)
printk_safe_enter_irqsave(flags);
raw_spin_lock(&logbuf_lock);
if (console_seq < log_first_seq) {
- len = sprintf(text, "** %u printk messages dropped **\n",
- (unsigned)(log_first_seq - console_seq));
+ len = sprintf(text,
+ "** %llu printk messages dropped **\n",
+ log_first_seq - console_seq);

/* messages are gone, move to first one */
console_seq = log_first_seq;
--
2.7.4
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