Re: [dpdk-dev] [PATCH] net/i40e: remove VF interrupt handler

2018-06-26 Thread Zhang, Qi Z
> -Original Message- > From: Xing, Beilei > Sent: Wednesday, June 27, 2018 11:48 AM > To: Zhang, Qi Z > Cc: Wu, Jingjing ; Yu, De ; > dev@dpdk.org > Subject: RE: [PATCH] net/i40e: remove VF interrupt handler > > > > > -Original Message- > > From: Zhang, Qi Z > > Sent: Thursda

Re: [dpdk-dev] [PATCH] net/i40e: remove VF interrupt handler

2018-06-26 Thread Xing, Beilei
> -Original Message- > From: Zhang, Qi Z > Sent: Thursday, June 7, 2018 9:32 AM > To: Xing, Beilei > Cc: Wu, Jingjing ; Yu, De ; > dev@dpdk.org; Zhang, Qi Z > Subject: [PATCH] net/i40e: remove VF interrupt handler > > For i40evf, internal rx interrupt and adminq interrupt share the sa

Re: [dpdk-dev] [PATCH] net/i40e: remove VF interrupt handler

2018-06-07 Thread Zhang, Qi Z
> -Original Message- > From: Xing, Beilei > Sent: Thursday, June 7, 2018 3:14 PM > To: Zhang, Qi Z > Cc: Wu, Jingjing ; Yu, De ; > dev@dpdk.org > Subject: RE: [PATCH] net/i40e: remove VF interrupt handler > > > > > -Original Message- > > From: Zhang, Qi Z > > Sent: Thursday,

Re: [dpdk-dev] [PATCH] net/i40e: remove VF interrupt handler

2018-06-07 Thread Xing, Beilei
> -Original Message- > From: Zhang, Qi Z > Sent: Thursday, June 7, 2018 9:32 AM > To: Xing, Beilei > Cc: Wu, Jingjing ; Yu, De ; > dev@dpdk.org; Zhang, Qi Z > Subject: [PATCH] net/i40e: remove VF interrupt handler > > For i40evf, internal rx interrupt and adminq interrupt share the sa

[dpdk-dev] [PATCH] net/i40e: remove VF interrupt handler

2018-06-06 Thread Qi Zhang
For i40evf, internal rx interrupt and adminq interrupt share the same source, that cause a lot cpu cycles be wasted on interrupt handler on rx path. This is complained by customers which require low latency (when set I40E_ITR_INTERVAL to small value), but have to be sufferred by tremendous interrup