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| author | Arnaldo Carvalho de Melo <acme@ghostprotocols.net> | 2008-05-12 21:20:41 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-23 20:31:48 +0200 |
| commit | 6e766410c4babd37bc7cd5e25009c179781742c8 (patch) | |
| tree | d6517a794a59755cc98e318e3da7779b7257714b | |
| parent | 23adec554a7648f99c8acc0caf49c66320cd2b84 (diff) | |
| download | lwn-6e766410c4babd37bc7cd5e25009c179781742c8.tar.gz lwn-6e766410c4babd37bc7cd5e25009c179781742c8.zip | |
ftrace: annotate core code that should not be traced
Mark with "notrace" functions in core code that should not be
traced. The "notrace" attribute will prevent gcc from adding
a call to ftrace on the annotated funtions.
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | lib/smp_processor_id.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c index 6c90fb90e19c..e555ab62fbad 100644 --- a/lib/smp_processor_id.c +++ b/lib/smp_processor_id.c @@ -7,7 +7,7 @@ #include <linux/kallsyms.h> #include <linux/sched.h> -unsigned int debug_smp_processor_id(void) +notrace unsigned int debug_smp_processor_id(void) { unsigned long preempt_count = preempt_count(); int this_cpu = raw_smp_processor_id(); |