linux-kernel - Re: [PATCH AUTOSEL 6.2 26/53] netpoll: Remove 4s sleep during carrier detection

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Message-ID: <20230227101532.5bc82c09@kernel.org>
Date:   Mon, 27 Feb 2023 10:15:32 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Breno Leitao <leitao@...ian.org>,
        Michael van der Westhuizen <rmikey@...a.com>,
        davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
        wsa+renesas@...g-engineering.com, netdev@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 6.2 26/53] netpoll: Remove 4s sleep during
 carrier detection

On Sun, 26 Feb 2023 09:44:18 -0500 Sasha Levin wrote:
> From: Breno Leitao <leitao@...ian.org>
> 
> [ Upstream commit d8afe2f8a92d2aac3df645772f6ee61b0b2fc147 ]
> 
> This patch removes the msleep(4s) during netpoll_setup() if the carrier
> appears instantly.
> 
> Here are some scenarios where this workaround is counter-productive in
> modern ages:

Potential behavior change, can we wait 4 weeks, until it's been 
in a couple of -rcs?