Re: [PATCH v4 16/19] vdpa: Buffer CVQ support on shadow virtqueue

On Tue, Jul 19, 2022 at 7:42 AM Eugenio Perez Martin wrote: > > On Tue, Jul 19, 2022 at 4:39 AM Jason Wang wrote: > > > > > > 在 2022/7/18 18:29, Eugenio Pérez 写道: > > > Introduce the control virtqueue support for vDPA shadow virtqueue. This > > > is needed for advanced networking features like rx

Re: [PATCH v4 16/19] vdpa: Buffer CVQ support on shadow virtqueue

On Tue, Jul 19, 2022 at 4:39 AM Jason Wang wrote: > > > 在 2022/7/18 18:29, Eugenio Pérez 写道: > > Introduce the control virtqueue support for vDPA shadow virtqueue. This > > is needed for advanced networking features like rx filtering. > > > > Virtio-net control VQ copies the descriptors to qemu's

Re: [PATCH v4 16/19] vdpa: Buffer CVQ support on shadow virtqueue

在 2022/7/18 18:29, Eugenio Pérez 写道: Introduce the control virtqueue support for vDPA shadow virtqueue. This is needed for advanced networking features like rx filtering. Virtio-net control VQ copies the descriptors to qemu's VA, so we avoid TOCTOU with the guest's or device's memory every tim

[PATCH v4 16/19] vdpa: Buffer CVQ support on shadow virtqueue

Introduce the control virtqueue support for vDPA shadow virtqueue. This is needed for advanced networking features like rx filtering. Virtio-net control VQ copies the descriptors to qemu's VA, so we avoid TOCTOU with the guest's or device's memory every time there is a device model change. Otherw