From: Sasha Levin <sasha.levin@oracle.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Alexander Lam <azl@google.com>
Subject: Re: [for-next][PATCH 14/14] tracing: Get trace_array ref counts when accessing trace files
Date: Sat, 05 Apr 2014 16:03:13 -0400 [thread overview]
Message-ID: <53406181.70805@oracle.com> (raw)
In-Reply-To: <20140405143326.7c38ff91@gandalf.local.home>
[-- Attachment #1: Type: text/plain, Size: 822 bytes --]
On 04/05/2014 02:33 PM, Steven Rostedt wrote:
> On Sat, 05 Apr 2014 10:59:10 -0400
> Sasha Levin <sasha.levin@oracle.com> wrote:
>
>> On 07/02/2013 04:22 PM, Steven Rostedt wrote:
>>> From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
>>>
>>> When a trace file is opened that may access a trace array, it must
>>> increment its ref count to prevent it from being deleted.
>>>
>>> Cc: stable@vger.kernel.org # 3.10
>>> Reported-by: Alexander Lam <azl@google.com>
>>> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
>>
>> Hi Steven,
>>
>> This patch seems to cause the following lockdep warning:
>>
>
> Thanks for the update. I run all my tests with lockdep enabled. I'm
> wondering if your config enable a lock that I don't have in my configs.
> Could you send me your .config please.
Attached.
Thanks,
Sasha
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next prev parent reply other threads:[~2014-04-05 20:03 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-02 20:22 [for-next][PATCH 00/14] tracing: updates and fixes for 3.10 Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 01/14] tracing: Failed to create system directory Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 02/14] tracing/kprobes: Avoid perf_trace_buf_*() if ->perf_events is empty Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 03/14] tracing/kprobes: Kill probe_enable_lock Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 04/14] tracing: Simplify code for showing of soft disabled flag Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 05/14] tracing: Add missing syscall_metadata comment Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 06/14] tracing: Fix disabling of soft disable Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 07/14] tracing/kprobes: Turn trace_probe->files into list_head Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 08/14] tracing: Use flag buffer_disabled for irqsoff tracer Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 09/14] tracing/kprobes: Dont pass addr=ip to perf_trace_buf_submit() Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 10/14] ftrace: Do not run selftest if command line parameter is set Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 11/14] tracing: Make trace_marker use the correct per-instance buffer Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 12/14] tracing: Protect ftrace_trace_arrays list in trace_events.c Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 13/14] tracing: Add trace_array_get/put() to handle instance refs better Steven Rostedt
2013-07-02 20:22 ` [for-next][PATCH 14/14] tracing: Get trace_array ref counts when accessing trace files Steven Rostedt
2014-04-05 14:59 ` Sasha Levin
2014-04-05 18:33 ` Steven Rostedt
2014-04-05 20:03 ` Sasha Levin [this message]
2014-04-08 15:42 ` Steven Rostedt
2014-04-08 16:06 ` Sasha Levin
2014-04-05 18:43 ` Steven Rostedt
2014-04-08 16:36 ` Steven Rostedt
2014-04-08 16:52 ` Sasha Levin
2014-04-08 17:06 ` Steven Rostedt
2014-04-08 17:11 ` Sasha Levin
2014-04-08 17:32 ` Steven Rostedt
2014-04-10 13:33 ` Steven Rostedt
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