Messages in this thread | | | Date | Wed, 12 Sep 2007 18:29:53 -0700 | From | "Keshavamurthy, Anil S" <> | Subject | Re: [patch][Intel-IOMMU] Fix for IOMMU early crash |
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On Wed, Sep 12, 2007 at 05:48:52AM +1000, Paul Mackerras wrote: > Keshavamurthy, Anil S writes: > > > Subject: Fix IOMMU early crash > > > > This patch avoids copying pci_bus's->sysdata to > > pci_dev's->sysdata as one can easily obtain > > the same through pci_dev->bus->sysdata. > > At the moment this will cause ppc64 to crash, since we rely on > pci_dev->sysdata pointing to some node in the firmware device tree, > either the device's node or the node for a parent bus. > > We could change the ppc64 code to use pci_dev->bus->sysdata in the > case when pci_dev->sysdata is NULL, which would fix the problem. I > think that change should be incorporated as part of this patch so that > we don't break git bisection. Can I expect the ppc64 code changes from you? Once I get your, I will merge with mine and post it again. > > In other words I don't want to see this patch applied as it stands. Yup, I agree with you.
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