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DateSun, 22 Feb 2009 23:16:46 +0100
FromIngo Molnar <>
SubjectRe: [PATCH] tracing/ftrace: add missing wake-up on some callsites

* Frederic Weisbecker <fweisbec@gmail.com> wrote:

> Impact: fix unwaken pipe
>
> Now that we use a common wakeup infrastructure, we must append a wakeup
> on few callsites which lack it or tasks reading trace_pipe will not be
> awaken when events come on few tracers.
>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
> ---
> kernel/trace/trace.c | 2 ++
> kernel/trace/trace_branch.c | 2 ++
> kernel/trace/trace_hw_branches.c | 2 ++
> 3 files changed, 6 insertions(+), 0 deletions(-)

Applied to tip:tracing/ftrace, thanks Frederic!

Ingo


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