[PATCH 03/23 -v6] Annotate core code that should not be traced

From: Steven Rostedt
Date: Fri Jan 25 2008 - 23:30:45 EST


Mark with "notrace" functions in core code that should not be
traced. The "notrace" attribute will prevent gcc from adding
a call to mcount on the annotated funtions.

Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Steven Rostedt <srostedt@xxxxxxxxxx>

---
lib/smp_processor_id.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-mcount.git/lib/smp_processor_id.c
===================================================================
--- linux-mcount.git.orig/lib/smp_processor_id.c 2008-01-25 21:46:50.000000000 -0500
+++ linux-mcount.git/lib/smp_processor_id.c 2008-01-25 21:47:03.000000000 -0500
@@ -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();

--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/