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tracing: Fix rcu handling of event_trigger_data filter field

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The filter field of the event_trigger_data structure is protected under
RCU sched locks. It was not annotated as such, and after doing so,
sparse pointed out several locations that required fix ups.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Tested-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Acked-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt (Red Hat) 2013-12-21 21:55:17 -05:00 • committed by Steven Rostedt
parent 098c879e1f
commit d8a30f2034
2 changed files with 6 additions and 4 deletions
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2
kernel/trace/trace.h
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@ -1057,7 +1057,7 @@ struct event_trigger_data {
int ref;
struct event_trigger_ops *ops;
struct event_command *cmd_ops;
struct event_filter *filter;
struct event_filter __rcu *filter;
char *filter_str;
void *private_data;
struct list_head list;