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

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Date:	Tue, 26 May 2015 16:49:46 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Clark Williams <williams@...hat.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	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, 2015-05-26 at 08:48 -0500, Clark Williams wrote:
> On Tue, 26 May 2015 09:38:32 -0400
> Steven Rostedt <rostedt@...dmis.org> wrote:
> 
> > 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
> 
> good point. Updated patch:

That's one down.

# pending fixes
drm-i915-intel_check_page_flip-WARN_ON_NONRT-for-not-in_irq.patch
net-netpoll-WARN_ONCE_NONRT-for-irqs-non-disabled.patch
workqueue-fix-rescuer_thread-blocking-ops-while-not-TASK_RUNNING-splat.patch

There are a couple more little splats.  Been meaning to post them now
that 4.0-rt is out, but between the (alleged) 9->5 thing and whatnot...

	-Mike

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