Re: [ANNOUNCE] 2.6.31-rt11

Jan Blunck
2009-09-24T15:16:57Z

On Wed, Sep 23, Thomas Gleixner wrote:

>
>
> 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.

Is this with the patch I sent on Aug 31:
[PATCH] Allocate memory before disabling memory in irq_to_desc_alloc_node()

Thanks,
Jan
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