Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx> writes: > [...] > The problem is also in _stp_print_flush, not *only* in relay code: > void _stp_print_flush (void) > ... > spin_lock(&_stp_print_lock); > ... > spin_unlock(&_stp_print_lock); > > Those will turn into mutexes with -rt. Indeed, plus systemtap-generated locking code uses rwlocks, local_irq_save/restore or preempt_disable, in various places. Could someone point to a place that spells out what would be more appropriate way of ensuring atomicity while being compatible with -rt? - FChE - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
