From: "Gaëtan Rivet" <gaetan.rivet@6wind.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org, Stephen Hemminger <sthemmin@microsoft.com>
Subject: Re: [dpdk-dev] [PATCH 4/5] net/netvsc: implement link state change callback
Date: Fri, 31 Aug 2018 10:25:47 +0200 [thread overview]
Message-ID: <20180831082547.s3xm3tb7keruam6m@bidouze.vm.6wind.com> (raw)
In-Reply-To: <20180830223512.21297-5-stephen@networkplumber.org>
Hi Stephen,
On Thu, Aug 30, 2018 at 03:35:11PM -0700, Stephen Hemminger wrote:
> From: Stephen Hemminger <sthemmin@microsoft.com>
>
> Implement callback functionality on link state changes.
> This is not really driven off of interrupt file descriptor like most other
> PMD's. Instead, it happens when a link state change message arrives
> in the common ring buffer.
>
Does this mean that the lsc event will be processed in a dataplane
thread? Looking at the _rte_eth_dev_callback_process() call, it seems
so.
Shouldn't this be executed in the context of the eal-intr-thread
instead? This thread is marked control and should be configured with the
proper afinity, unless dataplane threads.
Maybe I missed something, it's just to double-check that this will
behave nicely with applications relying on the eal-intr-thread afinity.
--
Gaëtan Rivet
6WIND
next prev parent reply other threads:[~2018-08-31 8:26 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-30 22:35 [dpdk-dev] [PATCH 0/5] netvsc changes for 18.11 Stephen Hemminger
2018-08-30 22:35 ` [dpdk-dev] [PATCH 1/5] bus/vmbus: add devargs support Stephen Hemminger
2018-09-14 12:46 ` Ferruh Yigit
2018-09-14 13:06 ` Gaëtan Rivet
2018-09-14 13:19 ` Ferruh Yigit
2018-09-14 13:58 ` Gaëtan Rivet
2018-09-14 15:21 ` Stephen Hemminger
2018-08-30 22:35 ` [dpdk-dev] [PATCH 2/5] net/netvsc: allow tuning latency with devargs Stephen Hemminger
2018-09-14 12:47 ` Ferruh Yigit
2018-08-30 22:35 ` [dpdk-dev] [PATCH 3/5] net/netvsc: exhausting transmit descriptors is not an error Stephen Hemminger
2018-08-30 22:35 ` [dpdk-dev] [PATCH 4/5] net/netvsc: implement link state change callback Stephen Hemminger
2018-08-31 8:25 ` Gaëtan Rivet [this message]
2018-08-31 15:13 ` Stephen Hemminger
2018-08-30 22:35 ` [dpdk-dev] [PATCH 5/5] net/netvsc: integrated VF support Stephen Hemminger
2018-09-14 12:57 ` Ferruh Yigit
2018-09-14 15:22 ` Stephen Hemminger
2018-08-31 12:04 ` [dpdk-dev] [PATCH 0/5] netvsc changes for 18.11 Ferruh Yigit
2018-08-31 15:15 ` Stephen Hemminger
2018-08-31 16:56 ` Thomas Monjalon
2018-09-14 13:25 ` Ferruh Yigit
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