On Tue, Jan 29, 2019 at 09:45:59AM +0900, Toshiaki Makita wrote:
> We do not reset or free up unused buffers when enabling/disabling XDP,
> so it can happen that xdp_frames are freed after disabling XDP or
> sk_buffs are freed after enabling XDP on xdp tx queues.
> Thus we need to handle both forms
On 2019/1/29 上午10:35, Toshiaki Makita wrote:
On 2019/01/29 11:23, Jason Wang wrote:
On 2019/1/29 上午8:45, Toshiaki Makita wrote:
...
@@ -2666,10 +2696,10 @@ static void free_unused_bufs(struct
virtnet_info *vi)
for (i = 0; i < vi->max_queue_pairs; i++) {
struct virtqueue *vq
On 2019/01/29 11:23, Jason Wang wrote:
> On 2019/1/29 上午8:45, Toshiaki Makita wrote:
...
>> @@ -2666,10 +2696,10 @@ static void free_unused_bufs(struct
>> virtnet_info *vi)
>> for (i = 0; i < vi->max_queue_pairs; i++) {
>> struct virtqueue *vq = vi->sq[i].vq;
>> while ((bu
On 2019/1/29 上午8:45, Toshiaki Makita wrote:
We do not reset or free up unused buffers when enabling/disabling XDP,
so it can happen that xdp_frames are freed after disabling XDP or
sk_buffs are freed after enabling XDP on xdp tx queues.
Thus we need to handle both forms (xdp_frames and sk_buffs
We do not reset or free up unused buffers when enabling/disabling XDP,
so it can happen that xdp_frames are freed after disabling XDP or
sk_buffs are freed after enabling XDP on xdp tx queues.
Thus we need to handle both forms (xdp_frames and sk_buffs) regardless
of XDP setting.
One way to trigger
