diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2012-03-15 12:35:37 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-15 13:38:54 +0100 |
| commit | 600e145882802d6ccbfe2c4aea243d97caeb91a9 (patch) | |
| tree | 0ad47fe66dfe2ea41a75c493e877483049dd446b | |
| parent | 9993bc635d01a6ee7f6b833b4ee65ce7c06350b1 (diff) | |
printk: Make it compile with !CONFIG_PRINTK
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>
| -rw-r--r-- | kernel/printk.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 49a2ae4a8dc..b64ce71cb2e 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -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. * |