linux-kernel - Re: [PATCH] ALSA: pcm: Hide local_irq_disable/enable() and local

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Date:   Fri, 04 May 2018 18:57:39 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     "Sebastian Andrzej Siewior" <bigeasy@...utronix.de>
Cc:     <alsa-devel@...a-project.org>,
        "Anna-Maria Gleixner" <anna-maria@...utronix.de>,
        <tglx@...utronix.de>, "Jaroslav Kysela" <perex@...ex.cz>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ALSA: pcm: Hide local_irq_disable/enable() and local_irqsave/restore()

On Fri, 04 May 2018 17:28:10 +0200,
Sebastian Andrzej Siewior wrote:
> 
> From: Anna-Maria Gleixner <anna-maria@...utronix.de>
> 
> The snd_pcm_stream_lock_irq*() functions decouple disabling interrupts
> from the actual locking process. This does not work as expected if the
> locking primitives are replaced like on preempt-rt.
> 
> Provide one function for locking which uses correct locking primitives.
> 
> Signed-off-by: Anna-Maria Gleixner <anna-maria@...utronix.de>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>

Applied, thanks.


Takashi