/* worker thread used for testing the time to do a round-trip of a cache
* line between two cores and back again
*/
-static void
+static int
flip_bit(volatile uint64_t *arg)
{
uint64_t old_val = 0;
old_val = *arg;
*arg = 0;
}
+ return 0;
}
/* test case to time the number of cycles to round-trip a cache line between