On Wed, 23 Sep 2009, Jan Blunck wrote: > On Sat, Sep 19, 2009 at 12:39 AM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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
