On 5 June 2018 at 22:23, Michael S. Tsirkin <m...@redhat.com> wrote: > On Tue, Jun 05, 2018 at 09:56:10PM +0800, Yongji Xie wrote: >> Some old guests (before commit 7a11370e5: "virtio_blk: enable VQs early") >> kick virtqueue before setting VIRTIO_CONFIG_S_DRIVER_OK. This would cause >> that those old guests fail to boot with vhost-user-blk device. >> >> To fix it, start vhost when guest kicks instead of waiting for .set_status(). >> >> Signed-off-by: Yongji Xie <xieyon...@baidu.com> >> Signed-off-by: Chai Wen <chai...@baidu.com> >> Signed-off-by: Ni Xun <ni...@baidu.com> > > Can we at least limit this to when virtio 1.0 has not > been negotiated? >
OK, I will limit this to when driver is v0.9.x and device is v1.0 so we don't violate the spec. Thanks, Yongji
