On Fri, 2011-05-20 at 14:48 +0200, Daniel Hellstrom wrote:
> Subject: [PATCH] SCHED_TTWU_QUEUE is not longer needed since sparc32 now implements IPI
>
> Signed-off-by: Daniel Hellstrom <daniel@xxxxxxxxxxx>
> Reported-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Yep, this looks fine, please merge this patch through whatever tree
carries the sparc32-smp work.
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;
> --
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