Re: [PATCH v13 17/42] virtio_ring: packed: introduce vring_free_packed
From: Jason Wang <jasowang@redhat.com>
Date: 2022-07-27 04:24:45
Also in:
bpf, kvm, linux-remoteproc, linux-s390, linux-um, platform-driver-x86, virtualization
在 2022/7/26 15:22, Xuan Zhuo 写道:
Free the structure struct vring_vritqueue_packed. Subsequent patches require it. Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
quoted hunk ↗ jump to hunk
--- drivers/virtio/virtio_ring.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 58355e1ac7d7..891900b31c3d 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c@@ -1835,6 +1835,28 @@ static struct vring_desc_extra *vring_alloc_desc_extra(unsigned int num) return desc_extra; } +static void vring_free_packed(struct vring_virtqueue_packed *vring_packed, + struct virtio_device *vdev) +{ + if (vring_packed->vring.desc) + vring_free_queue(vdev, vring_packed->ring_size_in_bytes, + vring_packed->vring.desc, + vring_packed->ring_dma_addr); + + if (vring_packed->vring.driver) + vring_free_queue(vdev, vring_packed->event_size_in_bytes, + vring_packed->vring.driver, + vring_packed->driver_event_dma_addr); + + if (vring_packed->vring.device) + vring_free_queue(vdev, vring_packed->event_size_in_bytes, + vring_packed->vring.device, + vring_packed->device_event_dma_addr); + + kfree(vring_packed->desc_state); + kfree(vring_packed->desc_extra); +} + static struct virtqueue *vring_create_virtqueue_packed( unsigned int index, unsigned int num,