diff options
Diffstat (limited to 'kernel/locking/spinlock_debug.c')
| -rw-r--r-- | kernel/locking/spinlock_debug.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/locking/spinlock_debug.c b/kernel/locking/spinlock_debug.c index 14235671a1a7..2338b3adfb55 100644 --- a/kernel/locking/spinlock_debug.c +++ b/kernel/locking/spinlock_debug.c @@ -12,6 +12,7 @@ #include <linux/debug_locks.h> #include <linux/delay.h> #include <linux/export.h> +#include <linux/pid.h> void __raw_spin_lock_init(raw_spinlock_t *lock, const char *name, struct lock_class_key *key, short inner) @@ -183,8 +184,8 @@ void do_raw_read_unlock(rwlock_t *lock) static inline void debug_write_lock_before(rwlock_t *lock) { RWLOCK_BUG_ON(lock->magic != RWLOCK_MAGIC, lock, "bad magic"); - RWLOCK_BUG_ON(lock->owner == current, lock, "recursion"); - RWLOCK_BUG_ON(lock->owner_cpu == raw_smp_processor_id(), + RWLOCK_BUG_ON(READ_ONCE(lock->owner) == current, lock, "recursion"); + RWLOCK_BUG_ON(READ_ONCE(lock->owner_cpu) == raw_smp_processor_id(), lock, "cpu recursion"); } |