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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 362E9C4338F for ; Tue, 3 Aug 2021 18:49:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 04EFA61050 for ; Tue, 3 Aug 2021 18:49:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231815AbhHCStV (ORCPT ); Tue, 3 Aug 2021 14:49:21 -0400 Received: from mail-pl1-f177.google.com ([209.85.214.177]:40862 "EHLO mail-pl1-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231878AbhHCStV (ORCPT ); Tue, 3 Aug 2021 14:49:21 -0400 Received: by mail-pl1-f177.google.com with SMTP id c16so158476plh.7 for ; Tue, 03 Aug 2021 11:49:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=zHkfgYI2cETb9XEOzI7SWa4JaICpv8jwfx07tHvyu6E=; b=Upu/wN1fGq7mYRgFyW7p6JBkqEFxjuiHfQggnsdBBc5MlEGuZfZw3anDUpQJ0UcSN8 YG+Zt3+8JzyNp7PTVDi53fzyTrZRLXAAOOuKU7x7W+oF3zTKVPLQfDcawJkUtrCSwH5a QATMVjOmw2TT29T+/Vs5D4CJSdlFI1OpucqU0x2/KSp8Sta2ntJIHn5aFwiKM4JcIeyt wQXN0MBRPBCKt1mo3FnD2pQ/bdeUJ1E4hzKw6we8/rf/SXvd7nvULAxRArBniT7jjCsD 5Y7UISAOibYca04OZoo8X5TiGX02sKcRlntHXXTipg8lIiPgCVCrOJMl6hevi0ArywPD hYDg== X-Gm-Message-State: AOAM530yd86vQGj3v8s+Ysy1ZUAtbTcSZZnWno05uXAZrH9Tnst1FTt8 mI7uhxV2RPf45ZquBZJOJ4s= X-Google-Smtp-Source: ABdhPJySM5yFIAignX3Rj5wXXaYMCwXmnHVsvVLPnKkKDxHsQUnJIIsUuGEx5EydxeUigAL4CfG+LQ== X-Received: by 2002:a62:6103:0:b029:396:f515:94bf with SMTP id v3-20020a6261030000b0290396f51594bfmr23608728pfb.4.1628016548621; Tue, 03 Aug 2021 11:49:08 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:1:f630:1578:90bf:ff92]) by smtp.gmail.com with ESMTPSA id t9sm19646474pgc.81.2021.08.03.11.49.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Aug 2021 11:49:07 -0700 (PDT) Subject: Re: [PATCH v3 11/18] scsi: ufs: Revert "Utilize Transfer Request List Completion Notification Register" To: Bean Huo , "Martin K . Petersen" Cc: linux-scsi@vger.kernel.org, Jaegeuk Kim , Adrian Hunter , Stanley Chu , Can Guo , Asutosh Das , Avri Altman , "James E.J. Bottomley" , Matthias Brugger , Bean Huo , Kiwoong Kim , Keoseong Park , Caleb Connolly , "Gustavo A. R. Silva" References: <20210722033439.26550-1-bvanassche@acm.org> <20210722033439.26550-12-bvanassche@acm.org> <779aae9841331229e29fd3be23de55cec776af16.camel@gmail.com> From: Bart Van Assche Message-ID: Date: Tue, 3 Aug 2021 11:49:05 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <779aae9841331229e29fd3be23de55cec776af16.camel@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 8/2/21 8:24 AM, Bean Huo wrote: > I did the comparison test on my platform, it is very difficult to get a > very clear and fair result between two changes. but lamely speaking, on > the small chunk size read/write, your changes wins. but on the big > chunk size, It is not very clear, the gap between the two changes can > be ignored. > > Tested-by: Bean Huo Thanks for having tested this patch :-) Bart.