[PATCH 2/2] SCHED_TTWU_QUEUE is not longer needed since sparc32 now implements IPI

From: Daniel Hellstrom
Date: Fri May 20 2011 - 10:02:41 EST


Signed-off-by: Daniel Hellstrom <daniel@xxxxxxxxxxx>
Reported-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Acked-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
---
init/Kconfig | 5 -----
kernel/sched.c | 2 +-
2 files changed, 1 insertions(+), 6 deletions(-)

diff --git a/init/Kconfig b/init/Kconfig
index df64627..a66b656 100644
--- 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
index c62acf4..0516af4 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -2564,7 +2564,7 @@ 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;
--
1.6.0.3

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