#define barrier() asm volatile("" ::: "memory")
What exactly volatile("" ::: "memory") doing here ?
I was referring to gnu as (ver 2.14) manual but could not
get much clue about this assembly construct - any pointers ?_______________________________________________ Kernelnewbies mailing list [email protected] http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
