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 BB406C25B6B for ; Thu, 26 Oct 2023 16:37:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231253AbjJZQhR (ORCPT ); Thu, 26 Oct 2023 12:37:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231180AbjJZQhQ (ORCPT ); Thu, 26 Oct 2023 12:37:16 -0400 Received: from mail-pf1-f180.google.com (mail-pf1-f180.google.com [209.85.210.180]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CAF4518A; Thu, 26 Oct 2023 09:37:14 -0700 (PDT) Received: by mail-pf1-f180.google.com with SMTP id d2e1a72fcca58-6b9af7d41d2so1073344b3a.0; Thu, 26 Oct 2023 09:37:14 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698338234; x=1698943034; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=F2GButUnQaUYkKuAbRORO7YrrsqmLreMcWNWKY2mI5I=; b=XJTP/A2aJq8WCObY4KZm2/PEIRBLSZR6noypD7aG8IsVN7GHXQgsxkf9LNXZxJLaxe 6jluZwz2+e1qByt/r2vKFpu1w2mbKAXxZY2wQkJ0JPz15nfI5Bfio00iDTNrEhhhgifR zIYxIl0YgHZpbkssYQPFLI38puM1KIWjZ4MK3KhaQb/HFZX1Qg10E1N/YMfA7jYpiaY7 eSJutlyss92KFPujbzMpf8uaGmvW/3aBlJb50NwGnzJaiPRpJ15SlmfKGkWQQZ6hbxRd tS54/WHNt2AXzEIeWsQaQ7f2NOTBLiBbPMTn5KtE7mXpeUlIYkxc1FnAND8q/pgsBp0j DViw== X-Gm-Message-State: AOJu0Yxf8X5Bei8HoKYmB/NOIxgFqheSwkHJvTASn4c1ZvdL2FtiZcu2 1GJSI9oeBi5cAWVu5dTj+DE= X-Google-Smtp-Source: AGHT+IExXX4vmu9OxACroS816DASZXWzVyQQ8xal9W0sJmo/8dSfpk/9NKSJlWmUvtP40qVgt5UtuA== X-Received: by 2002:a05:6a20:c192:b0:17b:2f9:4146 with SMTP id bg18-20020a056a20c19200b0017b02f94146mr344229pzb.43.1698338234096; Thu, 26 Oct 2023 09:37:14 -0700 (PDT) Received: from ?IPV6:2620:15c:211:201:4dcf:e974:e319:6ce8? ([2620:15c:211:201:4dcf:e974:e319:6ce8]) by smtp.gmail.com with ESMTPSA id i3-20020aa787c3000000b006be047268d5sm11757401pfo.174.2023.10.26.09.37.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 26 Oct 2023 09:37:13 -0700 (PDT) Message-ID: <25c8fc74-2583-4e04-8d0e-c65360a1e285@acm.org> Date: Thu, 26 Oct 2023 09:37:12 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 0/3] Support disabling fair tag sharing Content-Language: en-US To: Avri Altman , Ming Lei Cc: Jens Axboe , "linux-block@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "Martin K . Petersen" , Christoph Hellwig References: <20231023203643.3209592-1-bvanassche@acm.org> <5d37f5ed-130a-4e75-b9a7-f77aeb4c7c89@acm.org> From: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 10/25/23 11:50, Avri Altman wrote: > This issue is known for a long time now. > Whenever we needed to provide performance measures, > We used to disable that mechanism, hacking the kernel locally - one way or the other. > I know that my peers are doing this as well. The Android 14 kernels have this patch since May (five months ago). None of the OEMs who use this kernel branch have complained so far. Thanks, Bart.