Displaying 3 results from an estimated 3 matches for "netif_receive_generic_xdp".
2018 Jul 02
1
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
...ead a userspace copy will increase the error counter
>>> in vhost_net. Then vhost_net_tx_select_zcopy() may choose not to use
>>> zerocopy. So it was probably something in your setup or a bug somewhere.
>> Thanks for the hint!
Seems zerocopy packets are always nonlinear and
netif_receive_generic_xdp() calls skb_linearize() in which
__pskb_pull_tail() calls skb_zcopy_clear(). Looks like tx_zcopy_err is
always counted when zerocopy is used with XDP in my env.
--
Toshiaki Makita
2018 Jul 02
2
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
On 2018/07/02 15:17, Jason Wang wrote:
> On 2018?07?02? 12:37, Toshiaki Makita wrote:
>> On 2018/07/02 11:54, Jason Wang wrote:
>>> On 2018?07?02? 10:45, Toshiaki Makita wrote:
>>>> Hi Jason,
>>>>
>>>> On 2018/06/29 18:30, Jason Wang wrote:
>>>>> On 2018?06?29? 16:09, Toshiaki Makita wrote:
>>>> ...
2018 Jul 02
2
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
On 2018/07/02 15:17, Jason Wang wrote:
> On 2018?07?02? 12:37, Toshiaki Makita wrote:
>> On 2018/07/02 11:54, Jason Wang wrote:
>>> On 2018?07?02? 10:45, Toshiaki Makita wrote:
>>>> Hi Jason,
>>>>
>>>> On 2018/06/29 18:30, Jason Wang wrote:
>>>>> On 2018?06?29? 16:09, Toshiaki Makita wrote:
>>>> ...