Re: [PATCH] skb_array: fix NULL-pointer exception

2017-12-04 Thread Jason Wang
On 2017年12月05日 12:40, Michael S. Tsirkin wrote: On Tue, Dec 05, 2017 at 11:11:14AM +0800, Jason Wang wrote: On 2017年12月04日 22:24, George Cherian wrote: While running a multiple VM testscase with each VM running iperf traffic between others the following kernel NULL pointer exception was

Re: [PATCH] skb_array: fix NULL-pointer exception

2017-12-04 Thread Jason Wang
On 2017年12月05日 12:40, Michael S. Tsirkin wrote: On Tue, Dec 05, 2017 at 11:11:14AM +0800, Jason Wang wrote: On 2017年12月04日 22:24, George Cherian wrote: While running a multiple VM testscase with each VM running iperf traffic between others the following kernel NULL pointer exception was

Re: [PATCH] skb_array: fix NULL-pointer exception

2017-12-04 Thread Michael S. Tsirkin
On Tue, Dec 05, 2017 at 11:11:14AM +0800, Jason Wang wrote: > > > On 2017年12月04日 22:24, George Cherian wrote: > > While running a multiple VM testscase with each VM running iperf > > traffic between others the following kernel NULL pointer exception > > was seen. > > > > Race appears when the

Re: [PATCH] skb_array: fix NULL-pointer exception

2017-12-04 Thread Michael S. Tsirkin
On Tue, Dec 05, 2017 at 11:11:14AM +0800, Jason Wang wrote: > > > On 2017年12月04日 22:24, George Cherian wrote: > > While running a multiple VM testscase with each VM running iperf > > traffic between others the following kernel NULL pointer exception > > was seen. > > > > Race appears when the

Re: [PATCH] skb_array: fix NULL-pointer exception

2017-12-04 Thread Jason Wang
On 2017年12月04日 22:24, George Cherian wrote: While running a multiple VM testscase with each VM running iperf traffic between others the following kernel NULL pointer exception was seen. Race appears when the tun driver instance of one VM calls skb_array_produce (from tun_net_xmit) and the the

Re: [PATCH] skb_array: fix NULL-pointer exception

2017-12-04 Thread Jason Wang
On 2017年12月04日 22:24, George Cherian wrote: While running a multiple VM testscase with each VM running iperf traffic between others the following kernel NULL pointer exception was seen. Race appears when the tun driver instance of one VM calls skb_array_produce (from tun_net_xmit) and the the

[PATCH] skb_array: fix NULL-pointer exception

2017-12-04 Thread George Cherian
While running a multiple VM testscase with each VM running iperf traffic between others the following kernel NULL pointer exception was seen. Race appears when the tun driver instance of one VM calls skb_array_produce (from tun_net_xmit) and the the destined VM's skb_array_consume (from

[PATCH] skb_array: fix NULL-pointer exception

2017-12-04 Thread George Cherian
While running a multiple VM testscase with each VM running iperf traffic between others the following kernel NULL pointer exception was seen. Race appears when the tun driver instance of one VM calls skb_array_produce (from tun_net_xmit) and the the destined VM's skb_array_consume (from