From 3b8945e8d40645eecdb7d2357ca531f9b4dd9f71 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 12 May 2008 21:21:04 +0200 Subject: 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 Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- kernel/printk.c | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-) (limited to 'kernel/printk.c') diff --git a/kernel/printk.c b/kernel/printk.c index 55d16e5..8b42f87 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, -- cgit v1.1