50 	(*(volatile unsigned int *)&rb->nest)++;  in perf_output_get_handle()
58 	unsigned int nest;  in perf_output_put_handle()  local
64 	nest = READ_ONCE(rb->nest);  in perf_output_put_handle()
65 	if (nest > 1) {  in perf_output_put_handle()
66 		WRITE_ONCE(rb->nest, nest - 1);  in perf_output_put_handle()
74 	 * incremented @rb->nest.  in perf_output_put_handle()
117 	 * We must publish the head before decrementing the nest count,  in perf_output_put_handle()
122 	WRITE_ONCE(rb->nest, 0);  in perf_output_put_handle()
125 	 * Ensure we decrement @rb->nest before we validate the @rb->head.  in perf_output_put_handle()
130 		WRITE_ONCE(rb->nest, 1);  in perf_output_put_handle()
377 	unsigned int nest;  in perf_aux_output_begin()  local
408 	nest = READ_ONCE(rb->aux_nest);  in perf_aux_output_begin()
413 	if (WARN_ON_ONCE(nest))  in perf_aux_output_begin()
416 	WRITE_ONCE(rb->aux_nest, nest + 1);  in perf_aux_output_begin()