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Message-ID: <Y/9dizGq97wpbZpn@sashalap>
Date:   Wed, 1 Mar 2023 09:13:31 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Brian Haley <haleyb.dev@...il.com>, davem@...emloft.net,
        edumazet@...gle.com, pabeni@...hat.com, corbet@....net,
        den@...nvz.org, razor@...ckwall.org, ulf.hansson@...aro.org,
        Jason@...c4.com, wangyuweihx@...il.com, daniel@...earbox.net,
        thomas.zeitlhofer+lkml@...it.at, alexander@...alicyn.com,
        ja@....bg, netdev@...r.kernel.org, linux-doc@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 6.2 31/53] neighbor: fix proxy_delay usage when
 it is zero

On Mon, Feb 27, 2023 at 10:15:04AM -0800, Jakub Kicinski wrote:
>On Sun, 26 Feb 2023 09:44:23 -0500 Sasha Levin wrote:
>> From: Brian Haley <haleyb.dev@...il.com>
>>
>> [ Upstream commit 62e395f82d04510b0f86e5e603e29412be88596f ]
>>
>> When set to zero, the neighbor sysctl proxy_delay value
>> does not cause an immediate reply for ARP/ND requests
>> as expected, it instead causes a random delay between
>> [0, U32_MAX). Looking at this comment from
>> __get_random_u32_below() explains the reason:
>
>Potential behavior change, can we wait 4 weeks, until it's been
>in a couple of -rcs?

Ack, will revisit this later. Thanks!

-- 
Thanks,
Sasha

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