On Thu, Feb 17, 2022 at 3:29 PM Stefano Garzarella <sgarz...@redhat.com> wrote: > > On Thu, Feb 17, 2022 at 02:32:48AM -0500, Michael S. Tsirkin wrote: > >On Tue, Feb 15, 2022 at 12:52:31PM +0530, Gautam Dawar wrote: > >> This patch adds the ability to negotiate VIRTIO_F_IN_ORDER bit > >> for vhost-vdpa backend when the underlying device supports this > >> feature. > >> This would aid in reaping performance benefits with HW devices > >> that implement this feature. At the same time, it shouldn't have > >> any negative impact as vhost-vdpa backend doesn't involve any > >> userspace virtqueue operations. > >> > >> Signed-off-by: Gautam Dawar <gda...@xilinx.com> > > > >Having features that hardware implements but qemu does not > >means we can't migrate between them. > >So I'd rather see a userspace implementation. > > FYI Jason proposed to support VIRTIO_F_IN_ORDER in QEMU/Linux as an idea > for the next GSoC/Outreachy. I offered to mentor and prepared a project > description [1], if anyone else is interested, it would be great to have > a co-mentor :-) >
I'd be happy to co-mentor for sure, should I edit the wiki to reflect it? Thanks! > Thanks, > Stefano > > [1] https://lists.gnu.org/archive/html/qemu-devel/2022-02/msg04032.html >