Messages in this thread Patch in this message | | | Date | Thu, 15 Mar 2012 06:04:20 -0700 | From | tip-bot for Peter Zijlstra <> | Subject | [tip:sched/core] printk: Make it compile with !CONFIG_PRINTK |
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Commit-ID: 600e145882802d6ccbfe2c4aea243d97caeb91a9 Gitweb: http://git.kernel.org/tip/600e145882802d6ccbfe2c4aea243d97caeb91a9 Author: Peter Zijlstra <peterz@infradead.org> AuthorDate: Thu, 15 Mar 2012 12:35:37 +0100 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Thu, 15 Mar 2012 13:38:54 +0100
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> --- kernel/printk.c | 40 ++++++++++++++++++++-------------------- 1 files changed, 20 insertions(+), 20 deletions(-)
diff --git a/kernel/printk.c b/kernel/printk.c index 49a2ae4..b64ce71 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. *
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