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| author |   Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2013-11-11 11:47:06 -0500 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2013-11-11 11:47:06 -0500 |
| commit | 3a81a5210b7d33bb6d836b4c4952a54166a336f3 (patch) | |
| tree | 2aaf3a8773715709df30ae6acf9a5a8a61214929 /kernel/trace | |
| parent | tracing: Do not use signed enums with unsigned long long in fgragh output (diff) | |
| download | linux-dev-3a81a5210b7d33bb6d836b4c4952a54166a336f3.tar.xz linux-dev-3a81a5210b7d33bb6d836b4c4952a54166a336f3.zip | |
tracing: Add rcu annotation for syscall trace descriptors
sparse complains about the enter/exit_sysycall_files[] variables being
dereferenced with rcu_dereference_sched(). The fields need to be
annotated with __rcu.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 11a04d6eaa23..7ca1993c33e4 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -192,8 +192,8 @@ struct trace_array { #ifdef CONFIG_FTRACE_SYSCALLS int sys_refcount_enter; int sys_refcount_exit; - struct ftrace_event_file *enter_syscall_files[NR_syscalls]; - struct ftrace_event_file *exit_syscall_files[NR_syscalls]; + struct ftrace_event_file __rcu *enter_syscall_files[NR_syscalls]; + struct ftrace_event_file __rcu *exit_syscall_files[NR_syscalls]; #endif int stop_count; int clock_id; |