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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Mark Brown <broonie@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	linux-amlogic@lists.infradead.org, alsa-devel@alsa-project.org,
	linux-kernel@vger.kernel.org,
	Arseniy Krasnov <avkrasnov@salutedevices.com>
Subject: Re: [PATCH] ASoC: meson: axg-fifo: fix irq scheduling issue with
 PREEMPT_RT
Message-ID: <20240813152243.2H3-mnx5@linutronix.de>
References: <20240806102707.3825703-1-jbrunet@baylibre.com>
 <172356023429.57695.4053614993109219592.b4-ty@kernel.org>
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In-Reply-To: <172356023429.57695.4053614993109219592.b4-ty@kernel.org>

On 2024-08-13 15:43:54 [+0100], Mark Brown wrote:
> On Tue, 06 Aug 2024 12:27:03 +0200, Jerome Brunet wrote:
> > With PREEMPT_RT enabled, spinlocks become preemptible.
> > This is usually not a problem with spinlocks used in IRQ context since
> > IRQ handlers get threaded. However, if IRQF_ONESHOT is set, the upper half
> > of a threaded irq handler won't be threaded and this causes scheduling
> > problems if spinlocks are used in the upper half, like with regmap when
> > '.fast_io' is set.
> > 
> > [...]
> 
> Applied to
> 
>    https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
> 
> Thanks!
> 
> [1/1] ASoC: meson: axg-fifo: fix irq scheduling issue with PREEMPT_RT
>       commit: 5003d0ce5c7da3a02c0aff771f516f99731e7390

Didn't you already apply v2 of this?

Sebastian