From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46FA6C64ED6 for ; Mon, 27 Feb 2023 18:15:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229630AbjB0SPk (ORCPT ); Mon, 27 Feb 2023 13:15:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229633AbjB0SPh (ORCPT ); Mon, 27 Feb 2023 13:15:37 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 796541F91F; Mon, 27 Feb 2023 10:15:36 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 3A7B4B80D6D; Mon, 27 Feb 2023 18:15:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 910BEC433D2; Mon, 27 Feb 2023 18:15:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677521734; bh=tuhFb9QMn6r+rliYClUcpTW9i8Qk9Z01jLxT/7l06Mw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=oMtKAl1XtashgTyRYboildt/3wpmyykmXPq9KUuw1BIuIFsHvXG8bPQWdnzUDpgqP UV2jBo1grAmHIFall2+lg3lOiqUMRLtkh1geho79rccR96nMRqxJssM/H38QyDcWuP LNw12BYf8xBoEE2SLNVYGqc4J03tsRQR/cnlxuPCeOO88qsydUMrAS5eP47bEIpanZ yfgwDCG6dVA69Rs8dsaXxxWwqU9iDDVSC02ywXANuLlK0t7rRg2NmW141oncvK8SSW c27K9t5+j6U4Qx9O3iqWidoYBMFIsKRvWkBYgMVHukVv795yBcTDuosaAED9IzPIxX VrTVcS7v+BOYg== Date: Mon, 27 Feb 2023 10:15:32 -0800 From: Jakub Kicinski To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Breno Leitao , Michael van der Westhuizen , davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, wsa+renesas@sang-engineering.com, netdev@vger.kernel.org Subject: Re: [PATCH AUTOSEL 6.2 26/53] netpoll: Remove 4s sleep during carrier detection Message-ID: <20230227101532.5bc82c09@kernel.org> In-Reply-To: <20230226144446.824580-26-sashal@kernel.org> References: <20230226144446.824580-1-sashal@kernel.org> <20230226144446.824580-26-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 26 Feb 2023 09:44:18 -0500 Sasha Levin wrote: > From: Breno Leitao > > [ 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?