From: Ingo Molnar <mingo@elte.hu>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: linux-kernel@vger.kernel.org,
Steven Rostedt <rostedt@goodmis.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: [PATCH] tracing/ftrace: add missing wake-up on some callsites
Date: Sun, 22 Feb 2009 23:16:46 +0100 [thread overview]
Message-ID: <20090222221646.GC21459@elte.hu> (raw)
In-Reply-To: <49a1cc8f.2283420a.54d2.ffff8461@mx.google.com>
* 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
next prev parent reply other threads:[~2009-02-22 22:17 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-22 21:56 [PATCH] tracing/ftrace: add missing wake-up on some callsites Frederic Weisbecker
2009-02-22 22:16 ` Ingo Molnar [this message]
2009-02-23 15:37 ` Steven Rostedt
2009-02-23 15:42 ` Steven Rostedt
2009-02-23 16:26 ` Frederic Weisbecker
2009-02-23 16:51 ` Steven Rostedt
2009-02-23 17:05 ` Frederic Weisbecker
2009-02-23 17:13 ` Steven Rostedt
2009-02-23 17:34 ` Frederic Weisbecker
2009-02-23 17:37 ` Ingo Molnar
2009-02-23 18:03 ` Steven Rostedt
2009-02-23 18:09 ` Ingo Molnar
2009-02-27 17:04 ` Masami Hiramatsu
2009-02-23 16:22 ` Frederic Weisbecker
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