From: Stephen Hemminger <stephen@networkplumber.org>
To: "Su, David W" <david.w.su@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [PATCH] igb_uio: use non-threaded ISR
Date: Mon, 23 Jan 2017 13:12:39 -0800 [thread overview]
Message-ID: <20170123131239.31547f0e@xeon-e3> (raw)
In-Reply-To: <3875C02542CA2945BF761013C1F5B8E57F3DC9AD@ORSMSX109.amr.corp.intel.com>
On Mon, 23 Jan 2017 19:20:02 +0000
"Su, David W" <david.w.su@intel.com> wrote:
> If rte_eth_conf.intr_conf.rxq != 0 and rte_eth_conf.intr_conf.lsc = 0 when rte_eth_dev_configure() is called, rx queue interrupts can be enabled/disabled with rte_eth_dev_rx_intr_{enable|disable} and DPDK applications can wait for rx queue interrupts with rte_epoll_wait(). This is the case for both igb_uio and vfio-pci drivers.
>
> vfio-pci already uses non-threaded ISR, but currently we can only use igb_uio when running DPDK applications in virtual machines.
>
Can't you use vfio-noiommu mode?
next prev parent reply other threads:[~2017-01-23 21:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-20 23:08 [PATCH] igb_uio: use non-threaded ISR David Su
2017-01-20 23:50 ` Stephen Hemminger
2017-01-23 19:20 ` Su, David W
2017-01-23 21:12 ` Stephen Hemminger [this message]
2017-02-24 17:54 ` Ferruh Yigit
2017-02-25 0:21 ` Su, David W
2017-02-27 16:15 ` Ferruh Yigit
2017-03-30 20:28 ` Thomas Monjalon
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