Hi Benjamin, On Tue, 23 Jun 2009 12:47:59 +1000, Benjamin Herrenschmidt <b...@kernel.crashing.org> mentioned: > Commit 31207dab7d2e63795eb15823947bd2f7025b08e2 > "Fix incorrect allocation of interrupt rev-map" > introduced a regression crashing on boot on machines using > a "DCR" based MPIC, such as the Cell blades. > > The reason is that the irq host data structure is initialized > much later as a result of that patch, causing our calls to > mpic_map() do be done before we have a host setup. > > Unfortunately, this breaks _mpic_map_dcr() which uses the > mpic->irqhost to get to the device node. > > This fixes it by, instead, passing the device node explicitely > to mpic_map(). > > Signed-off-by: Benjamin Herrenschmidt <b...@kernel.crashing.org> > --- > > arch/powerpc/sysdev/mpic.c | 29 ++++++++++++++++------------- > 1 file changed, 16 insertions(+), 13 deletions(-)
I confirmed that the boot failure on IBM Cell Blades QS21/22 are fixed with this patch. Acked-by: Akira Tsukamoto <aki...@rd.scei.sony.co.jp> -- Akira Tsukamoto Sony Computer Entertainment Inc. Architecture Lab. Japan _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
