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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=BAYES_00, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1DF1DC4338F for ; Sun, 15 Aug 2021 16:34:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E829C60FD8 for ; Sun, 15 Aug 2021 16:34:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229493AbhHOQfN (ORCPT ); Sun, 15 Aug 2021 12:35:13 -0400 Received: from mout.kundenserver.de ([212.227.126.135]:52351 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229453AbhHOQfN (ORCPT ); Sun, 15 Aug 2021 12:35:13 -0400 Received: from localhost ([98.128.181.94]) by mrelayeu.kundenserver.de (mreue012 [212.227.15.167]) with ESMTPSA (Nemesis) id 1M1aQN-1mDODI0LiF-00380Z; Sun, 15 Aug 2021 18:34:35 +0200 Date: Sun, 15 Aug 2021 18:34:34 +0200 From: Reimar =?iso-8859-1?Q?D=F6ffinger?= To: Christoph Hellwig Cc: linux-ide@vger.kernel.org, Jens Axboe Subject: Re: [PATCH] libata: add kernel parameter to force ATA_HORKAGE_NO_DMA_LOG Message-ID: References: <20210814134709.16085-1-Reimar.Doeffinger@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: X-Provags-ID: V03:K1:ed5mYX/rCEPzHyI0MHQal3J55amXa7uYDNZnPRElHZVPiUL672u RBtOIDzbw1+m6zwJ1JcckfCDEenqIkN3swrOpztxf6BWc7uNkDEGpWNz02X7TxxNO8yYV7M yl4DL2C445/S8ufmtMTVW9IkVHpTiM6rMSkw7wFKleOl1cNXl24uRbZ7ecH4ZzktkkN+Rkz ib7ThxUc6Gxc3Tlf1eVRg== X-UI-Out-Filterresults: notjunk:1;V03:K0:Ndl7cIEAwlE=:ehFyDmbILR+43zDuzQNeBw 5+k0RiPiV777A/MuX65trvtOGjlxl4foL79jR79fJAfdP5ovUsaWmFxZXD+hNEn3dIJhLzcaU flTi3yv9H3gMG3GhrRXPHjx+QqvMk05O/hRVM0t9B0UcYpyICiQLT2Bc7y8gPHItNlJ3tytD1 pSAwnLTnehPj85M2ay3m5Z9myOVyIG6beqHQq/JQSHiRyj1Hyn9cpGBlo/NuDx15eWjLuZTPg tdQicJBc6vBNQozXb9uQFgAO7+kg3zqv9vc+cYP5FQJJXNJ0frY+YRltceLMLYkKjLz9BE3SZ B1PkKSIZJ62KQL4ISabyADPlJWoKE/mJKtOLffhfxfkvbdVyMfkNIco+hFVSVDgMcD6u6Cjlq wmAXY10IP0Gs2JdHY6talCUGHqRf7XT+OLUSNkXWC4QniZ6q4fGvv9UaZpB1v2DbSUjTnusyF gjcA46mrJ2GGS8vwjJCpfpNVLgmBGfeaXZBOcAumZETTTCXo98FHzPzgiDVRjrToUD6ZIVO4H nVOCeaFNPkiZDCpypz0A/AL6wpbpNnMQseQMa5pwDdGHN9uLlssR+w5i38tsZRk5JFbGE3hW+ SPNaeYYNoGiQVOr6wvRp8Fkr/bJmhXsqR+0mMHvjMo/EILe7HyPIkeAaeuuDHEVdKejswQaZj RMw6IOjx+DZQUGW57aQ+1y74xmrAgfbf6yQyObXWpPYR2HFqP9J2QJQZz4vEaxguR1v5UyK/o mXjHQM7kYDtCIwOJRVCux61dE1cJ6rT6Mo5LVbffrWjqRDsiXN5HbZ+nEhylqyXVMyOUR0Wj/ BQoXhEfEcqOFl77m51pjwmQ944RJU4PmABxP2olOz6ooxs54ekOcJi4El7wths+aMkawLdCzn QPyxbr8bFmWwR7W4FVcQ== Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org Hi! On Sun, Aug 15, 2021 at 09:18:42AM +0100, Christoph Hellwig wrote: > Please just add quirks for the affected setups instead of requiring > the user to pass an obscure parameter. I sent a patch for that and still adding the parameter. For completeness, my original reply which did not make it to the list (it seems emails from gmx.de do not make it through): The point of the parameter is to be able to gather data and find out which setups are affected, enabling less knowledgeable users to help. The sample size so far is 2, and with quite different setups, it's not even clear to me if it's a controller issue, a drive issue, or a combination. If this feature is not very relevant it would be possible to apply a fairly broad quirk, but I feel a bit hesitant about that.