linux-kernel - Re: [PATCH] tracing/ftrace: add missing wake-up on some callsites

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Message-ID: <20090222221646.GC21459@elte.hu>
Date:	Sun, 22 Feb 2009 23:16:46 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [PATCH] tracing/ftrace: add missing wake-up on some callsites


* Frederic Weisbecker <fweisbec@...il.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@...dmis.org>
> Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
> Signed-off-by: Frederic Weisbecker <fweisbec@...il.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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