linux-kernel - [PATCH 0/3] tracing/probe: Fix some issues on multiprobe support

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Message-Id: <156879692790.31056.9404391078827158266.stgit@devnote2>
Date:   Wed, 18 Sep 2019 17:55:28 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     linux-kernel@...r.kernel.org, mhiramat@...nel.org, mingo@...hat.com
Subject: [PATCH 0/3] tracing/probe: Fix some issues on multiprobe support

Hi Steve,

Here are the patches to fix some issues on multiprobe support
(and add a testcase for the fix)

 [1/3] Fix to allow user to enable probe events on unloaded modules.
       This was supported before multiprobe support. Fix it.

 [2/3] Reject exactly same probe event. Multiprobe accepts the exact
       same probe as existing one, but it is meansingless and confusing.
       Reject the probe events which has exact same probe point and same
       arguments.

 [3/3] Add a testcase for [2/3].

Thank you,

---

Masami Hiramatsu (3):
      tracing/probe: Fix to allow user to enable events on unloaded modules
      tracing/probe: Reject exactly same probe event
      selftests/ftrace: Update kprobe event error testcase


 kernel/trace/trace_kprobe.c                        |   69 ++++++++++++++------
 kernel/trace/trace_probe.h                         |    3 +
 kernel/trace/trace_uprobe.c                        |   52 +++++++++++++--
 .../ftrace/test.d/kprobe/kprobe_syntax_errors.tc   |    1 
 4 files changed, 96 insertions(+), 29 deletions(-)

--
Masami Hiramatsu <mhiramat@...nel.org>