diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 0b6b66720e2b..53ffcf53fcd7 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2708,10 +2708,7 @@ static __always_inline int trace_recursive_lock(void) static __always_inline void trace_recursive_unlock(void) { - unsigned int val = __this_cpu_read(current_context); - - val &= val & (val - 1); - __this_cpu_write(current_context, val); + __this_cpu_and(current_context, __this_cpu_read(current_context) - 1); } #else |