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    SubjectRe: [PATCH 2/6] virtio: add context flag to find vqs
    On Wed, 29 Mar 2017 23:48:51 +0300
    "Michael S. Tsirkin" <mst@redhat.com> 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@redhat.com>
    > ---
    > 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.

    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?

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