linux-kernel - Re: [ANNOUNCE] 4.0.4-rt1

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Date:	Tue, 26 May 2015 09:38:32 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Clark Williams <williams@...hat.com>
Cc:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	John Kacur <jkacur@...hat.com>
Subject: Re: [ANNOUNCE] 4.0.4-rt1

On Tue, 26 May 2015 08:34:49 -0500
Clark Williams <williams@...hat.com> wrote:
 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index f75173c20f47..f532b22f56ba 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -9745,7 +9745,9 @@ void intel_check_page_flip(struct drm_device *dev, int pipe)
>  	struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
>  	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
>  
> +#ifndef CONFIG_PREEMPT_RT_FULL
>  	WARN_ON(!in_interrupt());
> +#endif

Or just use our special WARN_ON() functions...


	WARN_ON_NONRT(!in_interrupt());

-- Steve

>  
>  	if (crtc == NULL)
>  		return;

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