Adding Greg, since this will apply to a similar patchset I sent out for VMCI.
----- Original Message ----- > From: Andy King <[email protected]> > Date: Tue, 20 Aug 2013 10:33:32 -0700 > > > We can't just do virt_to_phys() on memory that we pass to the device and > > expect it to work in presence of a virtual IOMMU. We need to add IOMMU > > mappings for such DMAs to work correctly. Fix that with > > pci_alloc_consistent() where possible, or pci_map_single() where the > > mapping is short-lived or we don't control the allocation (netdev). > > Please use dma_alloc_coherent() (or in fact dma_zalloc_coherent()), > dma_map_single() et al., because they are preferred and in particular > allow specification of GFP_* flags Sorry about that, I'll fix that and send out a new patch. Thanks! - Andy _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
