netdev - Re: [PATCH net-next 2/2] selftests: drv-net: fix RPS mask handling for high CPU numbers

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Message-ID: <a95dca83-b996-49e7-86d5-f07e8f178767@nvidia.com>
Date: Mon, 12 Jan 2026 08:51:22 +0200
From: Gal Pressman <gal@...dia.com>
To: Willem de Bruijn <willemdebruijn.kernel@...il.com>,
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, netdev@...r.kernel.org
Cc: Shuah Khan <shuah@...nel.org>, Willem de Bruijn <willemb@...gle.com>,
 Petr Machata <petrm@...dia.com>, Coco Li <lixiaoyan@...gle.com>,
 linux-kselftest@...r.kernel.org, Nimrod Oren <noren@...dia.com>
Subject: Re: [PATCH net-next 2/2] selftests: drv-net: fix RPS mask handling
 for high CPU numbers

On 12/01/2026 5:29, Willem de Bruijn wrote:
> Gal Pressman wrote:
>> The RPS bitmask bounds check uses ~(RPS_MAX_CPUS - 1) which equals ~15 =
>> 0xfff0, only allowing CPUs 0-3.
>>
>> Change the mask to ~((1UL << RPS_MAX_CPUS) - 1) = ~0xffff to allow CPUs
>> 0-15.
>>
>> Fixes: 5ebfb4cc3048 ("selftests/net: toeplitz test")
>> Reviewed-by: Nimrod Oren <noren@...dia.com>
>> Signed-off-by: Gal Pressman <gal@...dia.com>
> 
> Should go to net instead of net-next?
> 
> Reviewed-by: Willem de Bruijn <willemb@...gle.com> 

I usually send tests bug fixes to net-next, since it doesn't fix a bug
in the kernel.

Should I send those to net instead?