diff options
| -rw-r--r-- | kernel/trace/rv/rv_reactors.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/rv/rv_reactors.c b/kernel/trace/rv/rv_reactors.c index 8c02426bc3bd..d9d335ae9bad 100644 --- a/kernel/trace/rv/rv_reactors.c +++ b/kernel/trace/rv/rv_reactors.c @@ -61,6 +61,7 @@ * printk */ +#include <linux/lockdep.h> #include <linux/slab.h> #include "rv.h" @@ -480,6 +481,7 @@ out_err: void rv_react(struct rv_monitor *monitor, const char *msg, ...) { + static DEFINE_WAIT_OVERRIDE_MAP(rv_react_map, LD_WAIT_FREE); va_list args; if (!rv_reacting_on() || !monitor->react) @@ -487,7 +489,9 @@ void rv_react(struct rv_monitor *monitor, const char *msg, ...) va_start(args, msg); + lock_map_acquire_try(&rv_react_map); monitor->react(msg, args); + lock_map_release(&rv_react_map); va_end(args); } |