On (Wed) 18 Apr 2012 [15:33:33], Paolo Bonzini wrote: > For virtio-scsi multiqueue support I would like to have an easy and > fast way to go from a virtqueue to the internal struct for that > queue. > > It turns out that virtio-serial has the same need, but it gets > by with a simple list walk. > > This patch adds a pointer to struct virtqueue that is reserved for > the virtio device, and uses it in virtio-serial. > > Cc: Amit Shah <amit.shah@xxxxxxxxxx> > Cc: Rusty Russell <rusty@xxxxxxxxxxxxxxx> > Cc: "Michael S. Tsirkin" <mst@xxxxxxxxxx> > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > --- > Untested; what do you think? Would this patch be acceptable > as is, or only with a more pressing need in virtio-scsi, or never? Yes, this is useful. Saves taking a spin lock and walking the list each time any data is received from the host. Acked-by: Amit Shah <amit.shah@xxxxxxxxxx> Thanks, Amit _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
