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    Subject[RFC PATCH 02/23 -v4] 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 mcount on the annotated funtions.

    Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
    Signed-off-by: Steven Rostedt <srostedt@redhat.com>

    ---
    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 2008-01-17 20:33:16.000000000 -0500
    +++ linux-mcount.git/lib/smp_processor_id.c 2008-01-17 20:33:31.000000000 -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();
    --


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