tree 186f0a0e169e83b9c7d899ace2e028b7293459c5
parent 60705c89460fdc7227f2d153b68b3f34814738a4
author Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> 1368446314 +0900
committer Steven Rostedt <rostedt@goodmis.org> 1368640222 -0400

tracing/kprobes: Use rcu_dereference_raw for tp->files

Use rcu_dereference_raw() for accessing tp->files. Because the
write-side uses rcu_assign_pointer() for memory barrier,
the read-side also has to use rcu_dereference_raw() with
read memory barrier.

Link: http://lkml.kernel.org/r/20130513115834.6545.17022.stgit@mhiramat-M0-7522

Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tom Zanussi <tom.zanussi@intel.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>