Re: [dpdk-dev] [PATCH v3] net/i40e: remove VF interrupt handler

> -Original Message- > From: Xing, Beilei > Sent: Thursday, June 28, 2018 9:46 AM > To: Zhang, Qi Z > Cc: Wu, Jingjing ; Yu, De ; > dev@dpdk.org > Subject: RE: [PATCH v3] net/i40e: remove VF interrupt handler > > > > > -Original Message- > > From: Zhang, Qi Z > > Sent: Wednes

Re: [dpdk-dev] [PATCH v3] net/i40e: remove VF interrupt handler

> -Original Message- > From: Zhang, Qi Z > Sent: Wednesday, June 27, 2018 9:15 PM > To: Xing, Beilei > Cc: Wu, Jingjing ; Yu, De ; > dev@dpdk.org; Zhang, Qi Z > Subject: [PATCH v3] net/i40e: remove VF interrupt handler > > For i40evf, internal rx interrupt and adminq interrupt share t

[dpdk-dev] [PATCH v3] net/i40e: remove VF interrupt handler

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