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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>
This commit is contained in:
Arnaldo Carvalho de Melo 2008-05-12 21:20:41 +02:00 committed by Thomas Gleixner
parent 23adec554a
commit 6e766410c4
1 changed files with 1 additions and 1 deletions
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2
lib/smp_processor_id.c
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@ -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();