On Thu, 2011-12-15 at 17:08 +1100, David Gibson wrote: > This patch adds code to the code for the powernv platform to create > and populate isolation groups on hardware using the p7ioc (aka IODA) PCI host > bridge used on some IBM POWER systems.
> diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c > b/arch/powerpc/platforms/powernv/pci-ioda.c > index 0cdc8302..6df632e 100644 > --- a/arch/powerpc/platforms/powernv/pci-ioda.c > +++ b/arch/powerpc/platforms/powernv/pci-ioda.c > @@ -861,6 +862,9 @@ static void __devinit pnv_ioda_setup_bus_dma(struct > pnv_ioda_pe *pe, > set_iommu_table_base(&dev->dev, &pe->tce32_table); > if (dev->subordinate) > pnv_ioda_setup_bus_dma(pe, dev->subordinate); > +#ifdef CONFIG_DEVICE_ISOLATION > + device_isolation_dev_add(&pe->di_group, &dev->dev); > +#endif You already have a nop version of that in device_isolation.h, so the ifdef is not required AFAICS. And similarly elsewhere. cheers
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