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[23.128.96.18]) by mx.google.com with ESMTP id s10si7684404ejr.574.2020.09.21.01.06.17; Mon, 21 Sep 2020 01:06:41 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@samsung.com header.s=mail20170921 header.b=Qlmr38hT; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=samsung.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726494AbgIUIFJ (ORCPT + 99 others); Mon, 21 Sep 2020 04:05:09 -0400 Received: from mailout1.samsung.com ([203.254.224.24]:19715 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726347AbgIUIFH (ORCPT ); Mon, 21 Sep 2020 04:05:07 -0400 Received: from epcas1p1.samsung.com (unknown [182.195.41.45]) by mailout1.samsung.com (KnoxPortal) with ESMTP id 20200921080503epoutp01ac4296d5ef59eebd2558193f297f95d0~2vePcgVTt2728227282epoutp01B for ; Mon, 21 Sep 2020 08:05:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.samsung.com 20200921080503epoutp01ac4296d5ef59eebd2558193f297f95d0~2vePcgVTt2728227282epoutp01B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1600675503; bh=jPMF6ttwhjh6Gz0Gb/xu2AZVqN/bOzkzOlaHhccbTdI=; h=Subject:Reply-To:From:To:CC:In-Reply-To:Date:References:From; b=Qlmr38hTllM1bsiMyG8uIlWCXyfOvq3YWIKCfLcSrE2JTF/IYMjiAaTa5u/f4dsz8 gGx6AbQuhzFfTd7fsvBDu+4uM7EbFGvpg9oJ97ZjrfOJg4/+SL98hH6qCe0ZTeTSCt DQBrBQXIaOyKXq7d7kZXVM+9BR5Cw1u1zNWBOyH4= Received: from epcpadp1 (unknown [182.195.40.11]) by epcas1p1.samsung.com (KnoxPortal) with ESMTP id 20200921080503epcas1p15266b69b4a59405cdcc7685635c6cc43~2veO9sQck2448624486epcas1p1p; Mon, 21 Sep 2020 08:05:03 +0000 (GMT) Mime-Version: 1.0 Subject: RE: [PATCH v11 0/4] scsi: ufs: Add Host Performance Booster Support Reply-To: daejun7.park@samsung.com Sender: Daejun Park From: Daejun Park To: Bart Van Assche , Christoph Hellwig , Daejun Park CC: "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 , "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 X-Priority: 3 X-Content-Kind-Code: NORMAL In-Reply-To: <2aecb02b-f845-b860-facd-e31bd964ac64@acm.org> X-CPGS-Detection: blocking_info_exchange X-Drm-Type: N,general X-Msg-Generator: Mail X-Msg-Type: PERSONAL X-Reply-Demand: N Message-ID: <1087081975.11600675503396.JavaMail.epsvc@epcpadp1> Date: Mon, 21 Sep 2020 17:03:36 +0900 X-CMS-MailID: 20200921080336epcms2p109f08924c333c8d7d87ef6f3f64d9b18 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL X-CPGSPASS: Y X-CPGSPASS: Y X-Hop-Count: 3 X-CMS-RootMailID: 20200902031713epcms2p664cebf386ba19d3d05895fec89aaf4fe References: <2aecb02b-f845-b860-facd-e31bd964ac64@acm.org> <231786897.01599016802080.JavaMail.epsvc@epcpadp1> <231786897.01600211401846.JavaMail.epsvc@epcpadp1> <20200916052208.GB12923@infradead.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> On Wed, Sep 16, 2020 at 08:05:17AM +0900, Daejun Park wrote: >>> Hi All, >>> >>> I want to know how to improve this patch. >> >> Drop it and fix the actual UFS feature to not be so horrible? > > A new UFS specification could be defined and could be implemented for future UFS > devices. I think this patch series is intended to support the millions of UFS > devices that are already in use, e.g. in Android smartphones. It is important point. I am not suggesting a strange feature, but want to make mainline the HPB feature that is already widely used in Android smartphones. Thanks, Daejun.