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authorTejun Heo <htejun@gmail.com>2008-05-12 21:21:04 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-24 23:15:02 +0200
commit3b8945e8d40645eecdb7d2357ca531f9b4dd9f71 (patch)
tree7338d48670e07713b0f5d5236ee6f94644d6a9c8 /kernel/printk.c
parent42fdfa238a23643226910acf922ea930b3286032 (diff)
downloadlinux-3b8945e8d40645eecdb7d2357ca531f9b4dd9f71.tar.gz
printk: clean up recursion check related static variables
Make printk_recursion_bug_msg static and drop printk prefix from recursion variables. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/printk.c')
-rw-r--r--kernel/printk.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/kernel/printk.c b/kernel/printk.c
index 55d16e57499..8b42f87e311 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -652,16 +652,14 @@ static int acquire_console_semaphore_for_printk(unsigned int cpu)
spin_unlock(&logbuf_lock);
return retval;
}
-
-const char printk_recursion_bug_msg [] =
- KERN_CRIT "BUG: recent printk recursion!\n";
-static int printk_recursion_bug;
+static const char recursion_bug_msg [] =
+ KERN_CRIT "BUG: recent printk recursion!\n";
+static int recursion_bug;
+static int log_level_unknown = 1;
+static char printk_buf[1024];
asmlinkage int vprintk(const char *fmt, va_list args)
{
- static int log_level_unknown = 1;
- static char printk_buf[1024];
-
unsigned long flags;
int printed_len = 0;
int this_cpu;
@@ -686,7 +684,7 @@ asmlinkage int vprintk(const char *fmt, va_list args)
* it can be printed at the next appropriate moment:
*/
if (!oops_in_progress) {
- printk_recursion_bug = 1;
+ recursion_bug = 1;
goto out_restore_irqs;
}
zap_locks();
@@ -696,10 +694,10 @@ asmlinkage int vprintk(const char *fmt, va_list args)
spin_lock(&logbuf_lock);
printk_cpu = this_cpu;
- if (printk_recursion_bug) {
- printk_recursion_bug = 0;
- strcpy(printk_buf, printk_recursion_bug_msg);
- printed_len = sizeof(printk_recursion_bug_msg);
+ if (recursion_bug) {
+ recursion_bug = 0;
+ strcpy(printk_buf, recursion_bug_msg);
+ printed_len = sizeof(recursion_bug_msg);
}
/* Emit the output into the temporary buffer */
printed_len += vscnprintf(printk_buf + printed_len,