On 12/27/2018 08:03 PM, Christian Borntraeger wrote:
On 27.08.2018 03:32, Wei Wang wrote:static int init_vqs(struct virtio_balloon *vb) { - struct virtqueue *vqs[3]; - vq_callback_t *callbacks[] = { balloon_ack, balloon_ack, stats_request }; - static const char * const names[] = { "inflate", "deflate", "stats" }; - int err, nvqs; + struct virtqueue *vqs[VIRTIO_BALLOON_VQ_MAX]; + vq_callback_t *callbacks[VIRTIO_BALLOON_VQ_MAX]; + const char *names[VIRTIO_BALLOON_VQ_MAX]; + int err; /* - * We expect two virtqueues: inflate and deflate, and - * optionally stat. + * Inflateq and deflateq are used unconditionally. The names[] + * will be NULL if the related feature is not enabled, which will + * cause no allocation for the corresponding virtqueue in find_vqs. */This might be true for virtio-pci, but it is not for virtio-ccw.
Hi Christian, Please try the fix patches: https://lkml.org/lkml/2018/12/27/336 Best, Wei
