[PATCH 2/3] wait_task_inactive: fix the !CONFIG_SMP version

[Oleg Nesterov]

The semantics of wait_task_inactive() was changed, update the !SMP
version accordingly.

Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

--- 27/include/linux/sched.h~2_WTI_DUMMY	2008-07-30 13:12:48.000000000 +0400
+++ 27/include/linux/sched.h	2008-07-30 20:28:31.000000000 +0400
@@ -1880,7 +1880,9 @@ extern unsigned long wait_task_inactive(
 static inline unsigned long wait_task_inactive(struct task_struct *p,
 					       long match_state)
 {
-	return 1;
+	if (match_state && unlikely(p->state != match_state))
+		return 0;
+	return p->nvcsw | LONG_MIN; /* sets MSB */
 }
 #endif
 

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/