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| author | Namhyung Kim <namhyung@kernel.org> | 2014-01-16 06:31:18 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-01-16 23:26:25 +0400 |
| commit | bf6b3a95ff439b1dcd6151b3f38810f3cec1e319 (patch) | |
| tree | cd9750e8f4a5bb7adbf874f53c03cf75b4da00b1 /tools/lib/traceevent | |
| parent | a157112cfc67b3889f6493933cbd32620aa4be18 (diff) | |
| download | linux-bf6b3a95ff439b1dcd6151b3f38810f3cec1e319.tar.xz | |
tools lib traceevent: Unregister handler when xen plugin is unloaded
The function handler should be unregistered when the plugin is unloaded
otherwise it'll try to access invalid memory.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1389839478-5887-13-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/traceevent')
| -rw-r--r-- | tools/lib/traceevent/plugin_xen.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugin_xen.c b/tools/lib/traceevent/plugin_xen.c index e7794298f3a9..3a413eaada68 100644 --- a/tools/lib/traceevent/plugin_xen.c +++ b/tools/lib/traceevent/plugin_xen.c @@ -128,3 +128,9 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent) PEVENT_FUNC_ARG_VOID); return 0; } + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_print_function(pevent, process_xen_hypercall_name, + "xen_hypercall_name"); +} |