From: Dragos Tatulea <dtatulea@nvidia.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Nimrod Oren <noren@nvidia.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [TEST] CX7 timeouts on reconfig w/ page pool failure injection
Date: Thu, 17 Sep 2026 19:54:19 +0200 [thread overview]
Message-ID: <be27a1e3-6ed1-45ea-9158-479c3358f304@nvidia.com> (raw)
In-Reply-To: <20260917094101.0115277f@kernel.org>
On 17.09.26 18:41, Jakub Kicinski wrote:
> Hi!
>
> Sorry to re-heat an old thread but FWIW I enabled HW-GRO recently,
> to get the zero-copy tests to work, finally(?) And it increased
> the reconfig time by ~2x :(
Yes this is a known issue: each ZC ndo queue cycle triggers setup and
teardown of all queues. We want to improve that eventually.
I think in this particular case it is due to ncdevmem which takes half
of the queues during probe.
Thanks,
Dragos
prev parent reply other threads:[~2026-09-17 17:54 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-04 16:45 [TEST] CX7 timeouts on reconfig w/ page pool failure injection Jakub Kicinski
2026-08-04 17:16 ` Dragos Tatulea
2026-08-04 19:44 ` Jakub Kicinski
2026-08-11 7:20 ` Nimrod Oren
2026-08-11 15:04 ` Jakub Kicinski
2026-08-11 16:57 ` Nimrod Oren
2026-08-11 17:38 ` Jakub Kicinski
2026-08-12 16:31 ` Nimrod Oren
2026-08-12 16:59 ` Jakub Kicinski
2026-08-12 19:48 ` Dragos Tatulea
2026-08-12 22:41 ` Jakub Kicinski
2026-08-17 12:31 ` Dragos Tatulea
2026-09-17 16:41 ` Jakub Kicinski
2026-09-17 17:54 ` Dragos Tatulea [this message]
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