Currently sparc and sparc64's UP cpu_idle() checks current pid. This
is old time legacy. Now it's paranoia.
Signed-off-by: Coywolf Qi Hunt <coywolf@lovecn.org>
Acked-by: William Irwin <wli@holomorphy.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
*/
void cpu_idle(void)
{
- if (current->pid != 0)
- goto out;
-
/* endless idle loop with no priority at all */
for (;;) {
if (ARCH_SUN4C_SUN4) {
schedule();
check_pgt_cache();
}
-out:
- return;
}
#else
*/
void cpu_idle(void)
{
- if (current->pid != 0)
- return;
-
/* endless idle loop with no priority at all */
for (;;) {
/* If current->work.need_resched is zero we should really
schedule();
check_pgt_cache();
}
- return;
}
#else