From: Masami Hiramatsu <mhiramat@redhat.com>
To: rostedt@goodmis.org
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@elte.hu>, lkml <linux-kernel@vger.kernel.org>,
systemtap <systemtap@sources.redhat.com>,
DLE <dle-develop@lists.sourceforge.net>,
Jim Keniston <jkenisto@us.ibm.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Andi Kleen <ak@linux.intel.com>,
Christoph Hellwig <hch@infradead.org>,
"Frank Ch. Eigler" <fche@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>, Jason Baron <jbaron@redhat.com>,
"K.Prasad" <prasad@linux.vnet.ibm.com>,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Li Zefan <lizf@cn.fujitsu.com>,
Peter Zijlstra <peterz@infradead.org>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
Tom Zanussi <tzanussi@gmail.com>
Subject: Re: [PATCH tracing/kprobes 3/6] ftrace: Fix trace_remove_event_call() to lock trace_event_mutex
Date: Wed, 16 Sep 2009 10:31:12 -0400 [thread overview]
Message-ID: <4AB0F6B0.8090400@redhat.com> (raw)
In-Reply-To: <1253071051.20020.177.camel@gandalf.stny.rr.com>
Steven Rostedt wrote:
> On Mon, 2009-09-14 at 16:49 -0400, Masami Hiramatsu wrote:
>
>>
>> diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
>> index 38e82a5..a3d6bad 100644
>> --- a/kernel/trace/trace_events.c
>> +++ b/kernel/trace/trace_events.c
>> @@ -1055,6 +1055,9 @@ static void remove_subsystem_dir(const char *name)
>> }
>> }
>>
>> +/*
>> + * Must be called under locking both of event_mutex and trace_event_mutex.
>> + */
>> static void __trace_remove_event_call(struct ftrace_event_call *call)
>> {
>> ftrace_event_enable_disable(call, 0);
>> @@ -1071,7 +1074,9 @@ static void __trace_remove_event_call(struct ftrace_event_call *call)
>> void trace_remove_event_call(struct ftrace_event_call *call)
>
> Is this from a previous patch set, because I can't find this in either
> my tree or tip/master.
Right, this bug is from my patch:
tracing: Ftrace dynamic ftrace_event_call support
Thanks,
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division
e-mail: mhiramat@redhat.com
next prev parent reply other threads:[~2009-09-16 14:30 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-14 20:48 [PATCH tracing/kprobes 0/6] tracing/kprobes: kprobe-based event tracer update and perf support Masami Hiramatsu
2009-09-14 20:48 ` [PATCH tracing/kprobes 1/6] tracing/kprobes: Fix trace_probe registration order Masami Hiramatsu
2009-10-17 10:00 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-14 20:49 ` [PATCH tracing/kprobes 2/6] ftrace: Fix trace_add_event_call() to initialize list Masami Hiramatsu
2009-09-15 23:51 ` Steven Rostedt
2009-09-16 14:17 ` Masami Hiramatsu
2009-09-16 14:29 ` Steven Rostedt
2009-09-16 15:42 ` [PATCH tracing/kprobes 2/6] ftrace: Fix trace_add_event_call() to initialize list take 2 Masami Hiramatsu
2009-09-16 15:43 ` Steven Rostedt
2009-10-17 10:01 ` [tip:perf/probes] ftrace: Fix trace_add_event_call() to initialize list tip-bot for Masami Hiramatsu
2009-09-14 20:49 ` [PATCH tracing/kprobes 3/6] ftrace: Fix trace_remove_event_call() to lock trace_event_mutex Masami Hiramatsu
2009-09-16 3:17 ` Steven Rostedt
2009-09-16 4:05 ` Frederic Weisbecker
2009-09-16 4:54 ` Ananth N Mavinakayanahalli
2009-09-16 5:33 ` Frederic Weisbecker
2009-09-16 14:31 ` Masami Hiramatsu [this message]
2009-10-17 10:01 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-14 20:49 ` [PATCH tracing/kprobes 4/6] tracing/kprobes: Add probe handler dispatcher for support perf and ftrace Masami Hiramatsu
2009-10-17 10:01 ` [tip:perf/probes] tracing/kprobes: Add probe handler dispatcher to support perf and ftrace concurrent use tip-bot for Masami Hiramatsu
2009-09-14 20:49 ` [PATCH tracing/kprobes 5/6] tracing/kprobes: Fix profiling alignment for perf_counter buffer Masami Hiramatsu
2009-10-17 10:01 ` [tip:perf/probes] " tip-bot for Masami Hiramatsu
2009-09-14 20:49 ` [PATCH tracing/kprobes 6/6] tracing/kprobes: Disable kprobe events by default Masami Hiramatsu
2009-10-17 10:01 ` [tip:perf/probes] tracing/kprobes: Disable kprobe events by default after creation tip-bot for Masami Hiramatsu
2009-09-17 2:39 ` [PATCH tracing/kprobes 0/6] tracing/kprobes: kprobe-based event tracer update and perf support Frederic Weisbecker
2009-09-17 17:32 ` Masami Hiramatsu
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