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
On Mon, 21 Jan 2013 19:16:47 +0530, Prashant Shah said:
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
