Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19;
Date:   Wed, 20 Apr 2022 17:56:49 +0200
From:   Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To:     Thomas Gleixner <tglx@linutronix.de>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        Christoph Hellwig <hch@infradead.org>,
        Peter Zijlstra <peterz@infradead.org>
Subject: Re: [patch V5 3/3] smp: Make softirq handling RT safe in
 flush_smp_call_function_queue()
Message-ID: <YmAtQZHSbcqbwGj4@linutronix.de>
References: <20220413132836.099363044@linutronix.de>
 <20220413133024.356509586@linutronix.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
In-Reply-To: <20220413133024.356509586@linutronix.de>
Precedence: bulk

On 2022-04-13 15:31:05 [+0200], Thomas Gleixner wrote:
=E2=80=A6
> +#ifdef CONFIG_PREEMPT_RT
> +extern void do_softirq_post_smp_call_flush(unsigned int was_pending);
> +#else
> +static inline void do_softirq_post_smp_call_flush(unsigned int unused)
> +{
> +	do_softirq();
> +}
> +#endif
> +
=E2=80=A6
> +void softirq_post_smp_call_flush(unsigned int was_pending)
> +{
> +	if (WARN_ON_ONCE(was_pending !=3D local_softirq_pending()))
> +		invoke_softirq();
> +}
> +
>  #else /* CONFIG_PREEMPT_RT */

fold, please.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
 kernel/softirq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/softirq.c b/kernel/softirq.c
index 1682586a69139..5b36ebe5e20de 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -301,7 +301,7 @@ static inline void invoke_softirq(void)
  * get raised which haven't been raised before the flush, warn so it can be
  * investigated.
  */
-void softirq_post_smp_call_flush(unsigned int was_pending)
+void do_softirq_post_smp_call_flush(unsigned int was_pending)
 {
 	if (WARN_ON_ONCE(was_pending !=3D local_softirq_pending()))
 		invoke_softirq();

Sebastian