Re: [Qemu-devel] [PATCH 3/8] virtio: add empty check for packed ring

2018-06-04 Thread Jason Wang
On 2018年06月04日 01:44, Wei Xu wrote: +static int virtio_queue_empty_packed_rcu(VirtQueue *vq) +{ +struct VRingDescPacked desc; +VRingMemoryRegionCaches *cache; + +if (unlikely(!vq->packed.desc)) { +return 1; +} + +cache = vring_get_region_caches(vq); +

Re: [Qemu-devel] [PATCH 3/8] virtio: add empty check for packed ring

2018-06-03 Thread Wei Xu
On Tue, Apr 10, 2018 at 03:23:03PM +0800, Jason Wang wrote: > > > On 2018年04月04日 20:53, w...@redhat.com wrote: > >From: Wei Xu > > > >helper for ring empty check. > > And descriptor read. OK. > > > > >Signed-off-by: Wei Xu > >--- > > hw/virtio/virtio.c | 62 > >

Re: [Qemu-devel] [PATCH 3/8] virtio: add empty check for packed ring

2018-04-10 Thread Jason Wang
On 2018年04月04日 20:53, w...@redhat.com wrote: From: Wei Xu helper for ring empty check. And descriptor read. Signed-off-by: Wei Xu --- hw/virtio/virtio.c | 62 +++--- 1 file changed, 59 insertions(+), 3

[Qemu-devel] [PATCH 3/8] virtio: add empty check for packed ring

2018-04-04 Thread wexu
From: Wei Xu helper for ring empty check. Signed-off-by: Wei Xu --- hw/virtio/virtio.c | 62 +++--- 1 file changed, 59 insertions(+), 3 deletions(-) diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index