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=-7.6 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 14EB8C433E6 for ; Wed, 2 Sep 2020 02:43:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF66D206F0 for ; Wed, 2 Sep 2020 02:43:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726298AbgIBCn2 (ORCPT ); Tue, 1 Sep 2020 22:43:28 -0400 Received: from mail-pf1-f193.google.com ([209.85.210.193]:41666 "EHLO mail-pf1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726122AbgIBCn0 (ORCPT ); Tue, 1 Sep 2020 22:43:26 -0400 Received: by mail-pf1-f193.google.com with SMTP id t9so1999190pfq.8; Tue, 01 Sep 2020 19:43:25 -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:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=GmGOgTocY/ucDNb9A9eFMAHlTcsCKWY8HYB7MCccFoc=; b=Ipsn3MRCoUGfmJWAwNyZ8/MIw+xoI4NG8KjyPdY9BzuT2b6OHTbHCn1+Lui1P3n90w qV63+TfGEJBGPFTMH1KKRuAO/0/mKbAkDL9TuaKyhhgoCcznnakX9GQ8H9nPI/9lD2Uz 7bdpr0540jyy2JfYR4O8mVoZyv9yu2BY1YCGM2zb62iZ0jU/aYpkN/awtZNFKrpzh75Y FHTVQGvwcAvufFJPAvVUgsEGublQXYeCe0VAXAY2sHp0Zw+6/qM6aG1+mqwGgmTKT6/+ Q4uFhvYh/hqFkVUpCMPSEJNAyr/HcNiaj7hEOnYI5/IYJrPflu8l0Z5StEagcMqSmVYd tv4g== X-Gm-Message-State: AOAM5324zd7W0ko58Vl6VZypvDiod4TYCem71WlubVAD8Q3qU3iVT96w WLHjcTPEFi4YchQdtymu4gk= X-Google-Smtp-Source: ABdhPJwbvu6lpMb5tbEI7rNE5dr2z7U30mgncQm7KYJT1gSvLmRpZyhwNvVe0tCQqY3FFANr8bFiTA== X-Received: by 2002:a63:338b:: with SMTP id z133mr205155pgz.226.1599014605094; Tue, 01 Sep 2020 19:43:25 -0700 (PDT) Received: from [192.168.3.218] (c-73-241-217-19.hsd1.ca.comcast.net. [73.241.217.19]) by smtp.gmail.com with ESMTPSA id 65sm857981pfg.7.2020.09.01.19.43.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Sep 2020 19:43:24 -0700 (PDT) Subject: Re: [PATCH V10 2/4] scsi: ufs: Introduce HPB feature To: daejun7.park@samsung.com, "avri.altman@wdc.com" , "jejb@linux.ibm.com" , "martin.petersen@oracle.com" , "asutoshd@codeaurora.org" , "beanhuo@micron.com" , "stanley.chu@mediatek.com" , "cang@codeaurora.org" , "tomas.winkler@intel.com" , ALIM AKHTAR Cc: "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Sang-yoon Oh , Sung-Jun Park , yongmyung lee , Jinyoung CHOI , Adel Choi , BoRam Shin , SEUNGUK SHIN References: <231786897.01598943181634.JavaMail.epsvc@epcpadp2> <231786897.01598943781742.JavaMail.epsvc@epcpadp2> From: Bart Van Assche Autocrypt: addr=bvanassche@acm.org; prefer-encrypt=mutual; keydata= mQENBFSOu4oBCADcRWxVUvkkvRmmwTwIjIJvZOu6wNm+dz5AF4z0FHW2KNZL3oheO3P8UZWr LQOrCfRcK8e/sIs2Y2D3Lg/SL7qqbMehGEYcJptu6mKkywBfoYbtBkVoJ/jQsi2H0vBiiCOy fmxMHIPcYxaJdXxrOG2UO4B60Y/BzE6OrPDT44w4cZA9DH5xialliWU447Bts8TJNa3lZKS1 AvW1ZklbvJfAJJAwzDih35LxU2fcWbmhPa7EO2DCv/LM1B10GBB/oQB5kvlq4aA2PSIWkqz4 3SI5kCPSsygD6wKnbRsvNn2mIACva6VHdm62A7xel5dJRfpQjXj2snd1F/YNoNc66UUTABEB AAG0JEJhcnQgVmFuIEFzc2NoZSA8YnZhbmFzc2NoZUBhY20ub3JnPokBOQQTAQIAIwUCVI67 igIbAwcLCQgHAwIBBhUIAgkKCwQWAgMBAh4BAheAAAoJEHFcPTXFzhAJ8QkH/1AdXblKL65M Y1Zk1bYKnkAb4a98LxCPm/pJBilvci6boefwlBDZ2NZuuYWYgyrehMB5H+q+Kq4P0IBbTqTa jTPAANn62A6jwJ0FnCn6YaM9TZQjM1F7LoDX3v+oAkaoXuq0dQ4hnxQNu792bi6QyVdZUvKc macVFVgfK9n04mL7RzjO3f+X4midKt/s+G+IPr4DGlrq+WH27eDbpUR3aYRk8EgbgGKvQFdD CEBFJi+5ZKOArmJVBSk21RHDpqyz6Vit3rjep7c1SN8s7NhVi9cjkKmMDM7KYhXkWc10lKx2 RTkFI30rkDm4U+JpdAd2+tP3tjGf9AyGGinpzE2XY1K5AQ0EVI67igEIAKiSyd0nECrgz+H5 PcFDGYQpGDMTl8MOPCKw/F3diXPuj2eql4xSbAdbUCJzk2ETif5s3twT2ER8cUTEVOaCEUY3 eOiaFgQ+nGLx4BXqqGewikPJCe+UBjFnH1m2/IFn4T9jPZkV8xlkKmDUqMK5EV9n3eQLkn5g lco+FepTtmbkSCCjd91EfThVbNYpVQ5ZjdBCXN66CKyJDMJ85HVr5rmXG/nqriTh6cv1l1Js T7AFvvPjUPknS6d+BETMhTkbGzoyS+sywEsQAgA+BMCxBH4LvUmHYhpS+W6CiZ3ZMxjO8Hgc ++w1mLeRUvda3i4/U8wDT3SWuHcB3DWlcppECLkAEQEAAYkBHwQYAQIACQUCVI67igIbDAAK CRBxXD01xc4QCZ4dB/0QrnEasxjM0PGeXK5hcZMT9Eo998alUfn5XU0RQDYdwp6/kMEXMdmT oH0F0xB3SQ8WVSXA9rrc4EBvZruWQ+5/zjVrhhfUAx12CzL4oQ9Ro2k45daYaonKTANYG22y //x8dLe2Fv1By4SKGhmzwH87uXxbTJAUxiWIi1np0z3/RDnoVyfmfbbL1DY7zf2hYXLLzsJR mSsED/1nlJ9Oq5fALdNEPgDyPUerqHxcmIub+pF0AzJoYHK5punqpqfGmqPbjxrJLPJfHVKy goMj5DlBMoYqEgpbwdUYkH6QdizJJCur4icy8GUNbisFYABeoJ91pnD4IGei3MTdvINSZI5e Message-ID: <36970d82-3ece-f9ec-e627-e84a7e4c79c6@acm.org> Date: Tue, 1 Sep 2020 19:43:22 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <231786897.01598943781742.JavaMail.epsvc@epcpadp2> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-08-31 23:54, Daejun Park wrote: > This is a patch for the HPB feature. > This patch adds HPB function calls to UFS core driver. [ ... ] > +config SCSI_UFS_HPB > + bool "Support UFS Host Performance Booster" > + depends on SCSI_UFSHCD > + help > + The UFS HPB feature improves random read performance. It caches > + L2P (logical to physical) map of UFS to host DRAM. The driver uses HPB > + read command by piggybacking physical page number for bypassing FTL (flash > + translation layer)'s L2P address translation. > \ No newline at end of file Please end the last line with a newline. Anyway: Reviewed-by: Bart Van Assche