TRACE_STACK
event = __trace_buffer_lock_reserve(buffer, TRACE_STACK,
IF_ASSIGN(var, ent, struct stack_entry, TRACE_STACK); \
TRACE_STACK,
case TRACE_STACK:
event = trace_buffer_lock_reserve(buffer, TRACE_STACK, sizeof(*entry) + size,
.type = TRACE_STACK,
case TRACE_STACK: