From: Long Li <longli@microsoft.com>
To: Ferruh Yigit <ferruh.yigit@amd.com>,
Alan Elder <alan.elder@microsoft.com>,
Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Cc: "dev@dpdk.org" <dev@dpdk.org>, stephen <stephen@networkplumber.org>
Subject: RE: [PATCH v4] net/netvsc: fix number Tx queues > Rx queues
Date: Wed, 17 Apr 2024 23:45:23 +0000 [thread overview]
Message-ID: <SJ1PR21MB345729093CA7346DE8CB1EFECE0F2@SJ1PR21MB3457.namprd21.prod.outlook.com> (raw)
In-Reply-To: <2db62108-c655-4e00-8cf6-045a98f7d37e@amd.com>
> This introduced additional check in Rx path, not sure what is the performance
> impact.
>
> I can see Long already acked the v3, I just want to double check.
> If Tx queue number > Rx queue number is not a common usecase, perhaps it can
> be an option to forbid it instead of getting performance hit.
> Or it can be possible to have a dedicated Rx queue, like queue_id 0, for Tx
> completion events for Tx queue_id > Rx queue number, etc..
>
> But Long if you prefer to continue with this patch, please ack it and I can continue
> with it.
Ferruh, thank you for raising this concern. We will run some tests to evaluate performance impact of this patch.
Will update soon.
Long
next prev parent reply other threads:[~2024-04-17 23:45 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-29 19:29 [PATCH] " Alan Elder
2024-02-29 21:53 ` Stephen Hemminger
2024-03-01 2:03 ` Long Li
2024-03-08 18:21 ` Alan Elder
2024-03-08 18:09 ` [PATCH v2] " Alan Elder
2024-03-11 22:31 ` Ferruh Yigit
2024-03-12 19:08 ` Long Li
2024-03-19 14:16 ` [PATCH v3] " Alan Elder
2024-03-19 18:40 ` Long Li
2024-04-11 11:38 ` Ferruh Yigit
2024-04-11 20:45 ` [EXTERNAL] " Alan Elder
2024-04-12 10:23 ` Ferruh Yigit
2024-04-12 16:50 ` Alan Elder
2024-04-15 17:54 ` Ferruh Yigit
2024-04-15 14:40 ` [PATCH v4] " Alan Elder
2024-04-15 18:11 ` Ferruh Yigit
2024-04-17 23:45 ` Long Li [this message]
2024-05-01 7:43 ` Morten Brørup
2024-05-20 13:52 ` Ferruh Yigit
2024-10-03 22:55 ` Stephen Hemminger
2024-10-17 19:21 ` Long Li
2024-03-19 14:19 ` [PATCH v2] " Alan Elder
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