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    SubjectRe: [PATCH] ftrace: Add initialization check in trace_printk for *puts paths
    On Mon, 12 Aug 2013 11:34:05 +0200
    Jiri Olsa <jolsa@redhat.com> wrote:

    > Adding initialization check in trace_printk for *puts
    > paths, plus unifying the check for all related cases.
    >
    > Cc: Steven Rostedt <rostedt@goodmis.org>
    > Cc: Frederic Weisbecker <fweisbec@gmail.com>
    > Cc: Ingo Molnar <mingo@redhat.com>
    > ---
    > kernel/trace/trace.c | 15 ++++++++++++---
    > 1 file changed, 12 insertions(+), 3 deletions(-)
    >
    > diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
    > index 882ec1d..cb7cf96 100644
    > --- a/kernel/trace/trace.c
    > +++ b/kernel/trace/trace.c
    > @@ -126,6 +126,9 @@ static char *default_bootup_tracer;
    >
    > static bool allocate_snapshot;
    >
    > +#define TRACE_PRINTK_DENIED \


    s/TRACE_PRINTK_DENIED/TRACE_PRINTK_DISABLED/

    -- Steve

    > + unlikely(tracing_selftest_running || tracing_disabled)
    > +
    > static int __init set_cmdline_ftrace(char *str)
    > {
    > strlcpy(bootup_tracer_buf, str, MAX_TRACER_SIZE);
    >


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