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From: Peter Zijlstra <peterz@infradead.org>
To: Davidlohr Bueso <dave@stgolabs.net>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	Davidlohr Bueso <dbueso@suse.de>
Subject: Re: [PATCH 3/3] sched/core: update preempt_notifier_key to modern api
Date: Mon, 26 Mar 2018 10:35:13 +0200	[thread overview]
Message-ID: <20180326083513.GI4043@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20180325191056.24598-4-dave@stgolabs.net>

On Sun, Mar 25, 2018 at 12:10:56PM -0700, Davidlohr Bueso wrote:
> No changes in refcount semantics -- key init is false; replace
> 
> static_key_slow_inc|dec   with   static_branch_inc|dec
> static_key_false          with   static_branch_unlikely
> 
> Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
> ---
>  kernel/sched/core.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> index 757d5a251ca4..311451e58c3c 100644
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -2462,17 +2462,17 @@ void wake_up_new_task(struct task_struct *p)
>  
>  #ifdef CONFIG_PREEMPT_NOTIFIERS
>  
> -static struct static_key preempt_notifier_key = STATIC_KEY_INIT_FALSE;
> +DEFINE_STATIC_KEY_FALSE(preempt_notifier_key);

and again..

      reply	other threads:[~2018-03-26  8:35 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-25 19:10 [PATCH -next 0/3] update some static key users " Davidlohr Bueso
2018-03-25 19:10 ` [PATCH 1/3] i2c: update i2c_trace_msg static key " Davidlohr Bueso
2018-03-26  8:33   ` Peter Zijlstra
2018-03-26  8:34   ` Peter Zijlstra
2018-03-25 19:10 ` [PATCH 2/3] drivers/irqchip: update supports_deactivate " Davidlohr Bueso
2018-03-26  8:17   ` Marc Zyngier
2018-03-26 13:54     ` Davidlohr Bueso
2018-03-26 14:24       ` Marc Zyngier
2018-03-26 19:57         ` Davidlohr Bueso
2018-03-26  8:34   ` Peter Zijlstra
2018-03-26  8:34   ` Peter Zijlstra
2018-03-25 19:10 ` [PATCH 3/3] sched/core: update preempt_notifier_key " Davidlohr Bueso
2018-03-26  8:35   ` Peter Zijlstra [this message]

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