netdev - Re: [PATCH iwl-net v3 0/3] Fix XDP loading on machines with many CPUs

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Message-ID: <1f726c87-c39e-4818-bc92-295ec1acf106@cloudflare.com>
Date: Thu, 15 May 2025 15:43:24 -0700
From: Jesse Brandeburg <jbrandeburg@...udflare.com>
To: Michal Kubiak <michal.kubiak@...el.com>, intel-wired-lan@...ts.osuosl.org
Cc: maciej.fijalkowski@...el.com, aleksander.lobakin@...el.com,
 przemyslaw.kitszel@...el.com, dawid.osuchowski@...ux.intel.com,
 jacob.e.keller@...el.com, netdev@...r.kernel.org, kernel-team@...udflare.com
Subject: Re: [PATCH iwl-net v3 0/3] Fix XDP loading on machines with many CPUs

On 5/13/25 3:55 AM, Michal Kubiak wrote:
> Hi,
> 
> Some of our customers have reported a crash problem when trying to load
> the XDP program on machines with a large number of CPU cores. After
> extensive debugging, it became clear that the root cause of the problem
> lies in the Tx scheduler implementation, which does not seem to be able
> to handle the creation of a large number of Tx queues (even though this
> number does not exceed the number of available queues reported by the
> FW).
> This series addresses this problem.

This new v3 series passes all of our tests. Thanks Michal (and Intel) 
for the work on the patch, and thanks to the hardware team here at 
Cloudflare for testing!

For the series:

Tested-by: Jesse Brandeburg <jbrandeburg@...udflare.com>