> On 20 Jun 2016, at 16:50 PM, KarimAllah Ahmed <karah...@amazon.de> wrote: > > When a PCI device lives behind an IOMMU, it should use 'pci_dma_*' family of > functions when any transfer from/to guest memory is required while > 'cpu_physical_memory_*' family of functions completely bypass any MMU/IOMMU in > the system. > > vmxnet3 in some places was using 'cpu_physical_memory_*' family of functions > which works fine with the default QEMU setup where IOMMU is not enabled but > fails miserably when IOMMU is enabled. This commit converts all such instances > in favor of 'pci_dma_*’
Acked-by: Dmitry Fleytman <dmi...@daynix.com <mailto:dmi...@daynix.com>> > > Cc: Dmitry Fleytman <dmi...@daynix.com> > Cc: Jason Wang <jasow...@redhat.com> > Cc: qemu-devel@nongnu.org > Cc: Anthony Liguori <aligu...@amazon.com> > Signed-off-by: KarimAllah Ahmed <karah...@amazon.de> > > — ...