Hi, There is a bitmap that needs to be locked across many threads for test / set bit operations. Which one is faster - bitops or mutex ?
1. Bitops : set_bit(5, (long unsigned *)&tmp); 2. Mutex : mutex_lock(&m); *tmp = (*tmp) | (1 << 5); mutex_unlock(&m); Regards. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
