SCHED_TTWU_QUEUE is not longer needed since sparc32 now implements IPI

daniel-hellstrom · davem330 · commit 17d9f311eca1 · 2011-05-20T13:10:55.000-07:00
Signed-off-by: Daniel Hellstrom &lt;daniel@gaisler.com&gt;
Reported-by: Peter Zijlstra &lt;peterz@infradead.org&gt;
Acked-by: Peter Zijlstra &lt;peterz@infradead.org&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/init/Kconfig b/init/Kconfig
@@ -827,11 +827,6 @@ config SCHED_AUTOGROUP
 	  desktop applications.  Task group autogeneration is currently based
 	  upon task session.
 
-config SCHED_TTWU_QUEUE
-	bool
-	depends on !SPARC32
-	default y
-
 config MM_OWNER
 	bool
 
diff --git a/kernel/sched.c b/kernel/sched.c
@@ -2568,7 +2568,7 @@ static void ttwu_queue(struct task_struct *p, int cpu)
 {
 	struct rq *rq = cpu_rq(cpu);
 
-#if defined(CONFIG_SMP) && defined(CONFIG_SCHED_TTWU_QUEUE)
+#if defined(CONFIG_SMP)
 	if (sched_feat(TTWU_QUEUE) && cpu != smp_processor_id()) {
 		ttwu_queue_remote(p, cpu);
 		return;

Original file line number	Diff line number	Diff line change
`@@ -2568,7 +2568,7 @@ static void ttwu_queue(struct task_struct *p, int cpu)`
`2568`	`2568`	`{`
`2569`	`2569`	`struct rq *rq = cpu_rq(cpu);`
`2570`	`2570`
`2571`		`-#if defined(CONFIG_SMP) && defined(CONFIG_SCHED_TTWU_QUEUE)`
	`2571`	`+#if defined(CONFIG_SMP)`
`2572`	`2572`	`if (sched_feat(TTWU_QUEUE) && cpu != smp_processor_id()) {`
`2573`	`2573`	`ttwu_queue_remote(p, cpu);`
`2574`	`2574`	`return;`