Date: Wed, 23 Sep 2009 09:25:06 -0700 (PDT)
From: Thomas Gleixner <tglx@linutronix.de>
To: Jan Blunck <jblunck@suse.de>
cc: LKML <linux-kernel@vger.kernel.org>,
       rt-users <linux-rt-users@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
       Steven Rostedt <rostedt@goodmis.org>,
       Peter Zijlstra <peterz@infradead.org>, Carsten Emde <ce@ceag.ch>,
       Clark Williams <williams@redhat.com>,
       Frank Rowand <frank.rowand@am.sony.com>,
       Robin Gareus <robin@gareus.org>, Gregory Haskins <ghaskins@novell.com>,
       Philippe Reynes <philippe.reynes@isismpp.fr>,
       Fernando Lopez-Lezcano <nando@ccrma.stanford.edu>,
       Will Schmidt <will_schmidt@vnet.ibm.com>,
       Darren Hart <dvhltc@us.ibm.com>,
       Sven-Thorsten Dietrich <sdietrich@novell.com>,
       Jon Masters <jcm@redhat.com>, Mark Knecht <markknecht@gmail.com>
Subject: Re: [ANNOUNCE] 2.6.31-rt11
In-Reply-To: <4de7f8a60909230839j3d6beca8l9a677d38bc3a80d3@mail.gmail.com>
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On Wed, 23 Sep 2009, Jan Blunck wrote:

> On Sat, Sep 19, 2009 at 12:39 AM, Thomas Gleixner <tglx@linutronix.de> wrote:
> > We are pleased to announce the next update to our new preempt-rt
> > series.
> >
> > ? - disable SPARSE_IRQ, DMAR, IRQ_REMAP for -rt
> >
> 
> Do you have any reports that there is a bug in the SPARSE_IRQ code or
> why did you disable it?

Sparse irq is allocating memory in irq/preempt disabled regions which
makes preempt debug pretty unhappy. It needs some restructuring of
that code. dmar and irqremap have the same problem.

Thanks,

	tglx
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