On Thu, Mar 30, 2017 at 09:17:31AM +0200, Cornelia Huck wrote: > On Wed, 29 Mar 2017 23:48:51 +0300 > "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote: > > > Allows maintaining extra context per vq. For ease of use, passing in > > NULL is legal and disables the feature for all vqs. > > > > Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx> > > --- > > drivers/misc/mic/vop/vop_main.c | 9 ++++++--- > > drivers/s390/virtio/kvm_virtio.c | 6 ++++-- > > drivers/s390/virtio/virtio_ccw.c | 7 ++++--- > > drivers/virtio/virtio_mmio.c | 8 +++++--- > > drivers/virtio/virtio_pci_common.c | 18 +++++++++++------- > > drivers/virtio/virtio_pci_common.h | 4 +++- > > drivers/virtio/virtio_pci_legacy.c | 4 +++- > > drivers/virtio/virtio_pci_modern.c | 12 ++++++++---- > > drivers/virtio/virtio_ring.c | 7 +++++-- > > include/linux/virtio_config.h | 18 +++++++++++++++--- > > include/linux/virtio_ring.h | 3 +++ > > 11 files changed, 67 insertions(+), 29 deletions(-) > > This series really needs a cover letter, explaining the motivation for > adding this context. True. Will try to improve that for v2. > From what I understand, you want to track some length parameter in > virtio-net. As you don't use indirect descriptors in that case, you > want to use a context instead. Did I get this correctly? Exactly. -- MST