Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3a81a521 authored by Steven Rostedt (Red Hat)'s avatar Steven Rostedt (Red Hat) Committed by Steven Rostedt
Browse files

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: default avatarkbuild test robot <fengguang.wu@intel.com>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 6fc84ea7

kernel/trace/trace.h

+2 −2
Original line number Original line Diff line number Diff line
@@ -192,8 +192,8 @@ struct trace_array { 
#ifdef CONFIG_FTRACE_SYSCALLS

#ifdef CONFIG_FTRACE_SYSCALLS

	int			sys_refcount_enter;

	int			sys_refcount_enter;

	int			sys_refcount_exit;

	int			sys_refcount_exit;

	struct ftrace_event_file *enter_syscall_files[NR_syscalls];

	struct ftrace_event_file __rcu *enter_syscall_files[NR_syscalls];

	struct ftrace_event_file *exit_syscall_files[NR_syscalls];

	struct ftrace_event_file __rcu *exit_syscall_files[NR_syscalls];

#endif

#endif

	int			stop_count;

	int			stop_count;

	int			clock_id;

	int			clock_id;