>-----Original Message----- >From: Steve Sistare <[email protected]> >Subject: [PATCH V5 36/38] iommufd: preserve DMA mappings > >During cpr-transfer load in new QEMU, the vfio_memory_listener causes >spurious calls to map and unmap DMA regions, as devices are created and >the address space is built. This memory was already already mapped by the >device in old QEMU, so suppress the map and unmap callbacks during incoming >CPR. > >Signed-off-by: Steve Sistare <[email protected]> Reviewed-by: Zhenzhong Duan <[email protected]> Thanks Zhenzhong
