On Mon, 2009-05-18 at 13:51 +0800, Yu Zhao wrote: > > @@ -965,6 +1037,8 @@ static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, u16 did, > else > iommu->flush.flush_iotlb(iommu, did, addr, mask, > DMA_TLB_PSI_FLUSH); > + if (did) > + iommu_flush_dev_iotlb(iommu->domains[did], addr, mask); > } > > static void iommu_disable_protect_mem_regions(struct intel_iommu *iommu) Hm, why 'if (did)' ? Domain ID zero is only special in caching mode. Should it be: if (!cap_caching_mode(iommu->cap) || did) ? Either way, it wants a comment. -- David Woodhouse Open Source Technology Centre David.Woodhouse@xxxxxxxxx Intel Corporation -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
