Gerd suggested to use the transport guard to protect the device from DMA re-entrancy abuses.
Philippe Mathieu-Daudé (4): hw/virtio: Introduce virtio_bh_new_guarded() helper hw/display/virtio-gpu: Protect from DMA re-entrancy bugs hw/char/virtio-serial-bus: Protect from DMA re-entrancy bugs hw/virtio/virtio-crypto: Protect from DMA re-entrancy bugs include/hw/virtio/virtio.h | 7 +++++++ hw/char/virtio-serial-bus.c | 3 +-- hw/display/virtio-gpu.c | 6 ++---- hw/virtio/virtio-crypto.c | 4 ++-- hw/virtio/virtio.c | 10 ++++++++++ 5 files changed, 22 insertions(+), 8 deletions(-) -- 2.41.0
