printk: Make it compile with !CONFIG_PRINTK
Peter Zijlstra [Thu, 15 Mar 2012 11:35:37 +0000 (12:35 +0100)]
Commit 3ccf3e830615 ("printk/sched: Introduce special
printk_sched() for those awkward moments") overlooked
an #ifdef, so move code around to respect these directives.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Link: http://lkml.kernel.org/r/1331811337.18960.179.camel@twins
Signed-off-by: Ingo Molnar <mingo@elte.hu>

kernel/printk.c

index 49a2ae4..b64ce71 100644 (file)
@@ -1222,26 +1222,6 @@ int is_console_locked(void)
 static DEFINE_PER_CPU(int, printk_pending);
 static DEFINE_PER_CPU(char [PRINTK_BUF_SIZE], printk_sched_buf);
 
-int printk_sched(const char *fmt, ...)
-{
-       unsigned long flags;
-       va_list args;
-       char *buf;
-       int r;
-
-       local_irq_save(flags);
-       buf = __get_cpu_var(printk_sched_buf);
-
-       va_start(args, fmt);
-       r = vsnprintf(buf, PRINTK_BUF_SIZE, fmt, args);
-       va_end(args);
-
-       __this_cpu_or(printk_pending, PRINTK_PENDING_SCHED);
-       local_irq_restore(flags);
-
-       return r;
-}
-
 void printk_tick(void)
 {
        if (__this_cpu_read(printk_pending)) {
@@ -1658,6 +1638,26 @@ late_initcall(printk_late_init);
 
 #if defined CONFIG_PRINTK
 
+int printk_sched(const char *fmt, ...)
+{
+       unsigned long flags;
+       va_list args;
+       char *buf;
+       int r;
+
+       local_irq_save(flags);
+       buf = __get_cpu_var(printk_sched_buf);
+
+       va_start(args, fmt);
+       r = vsnprintf(buf, PRINTK_BUF_SIZE, fmt, args);
+       va_end(args);
+
+       __this_cpu_or(printk_pending, PRINTK_PENDING_SCHED);
+       local_irq_restore(flags);
+
+       return r;
+}
+
 /*
  * printk rate limiting, lifted from the networking subsystem.
  *