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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 8C5D6C43603 for ; Tue, 17 Dec 2019 06:11:35 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 620772082E for ; Tue, 17 Dec 2019 06:11:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 620772082E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36452 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ih650-0007Jn-Km for qemu-devel@archiver.kernel.org; Tue, 17 Dec 2019 01:11:34 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:42998) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ih64N-0006nr-8Z for qemu-devel@nongnu.org; Tue, 17 Dec 2019 01:10:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ih64M-00081a-CE for qemu-devel@nongnu.org; Tue, 17 Dec 2019 01:10:55 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:35692) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ih64M-0007yv-57 for qemu-devel@nongnu.org; Tue, 17 Dec 2019 01:10:54 -0500 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id xBH67TjA139294 for ; Tue, 17 Dec 2019 01:10:52 -0500 Received: from e06smtp05.uk.ibm.com (e06smtp05.uk.ibm.com [195.75.94.101]) by mx0a-001b2d01.pphosted.com with ESMTP id 2wwdvn6j40-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 17 Dec 2019 01:10:52 -0500 Received: from localhost by e06smtp05.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 17 Dec 2019 06:10:48 -0000 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xBH6Ala544892256 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 17 Dec 2019 06:10:47 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 781AE11C05B; Tue, 17 Dec 2019 06:10:47 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4677911C04A; Tue, 17 Dec 2019 06:10:46 +0000 (GMT) Received: from localhost.localdomain (unknown [9.124.35.229]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 17 Dec 2019 06:10:46 +0000 (GMT) Subject: Re: [PATCH v3 3/3] spapr: Add Hcalls to support PAPR NVDIMM device To: David Gibson References: <157107820388.27733.3565652855304038259.stgit@lep8c.aus.stglabs.ibm.com> <157107827730.27733.6442960086351627702.stgit@lep8c.aus.stglabs.ibm.com> <20191122051121.GE5582@umbus.fritz.box> From: Shivaprasad G Bhat Date: Tue, 17 Dec 2019 11:40:45 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 MIME-Version: 1.0 In-Reply-To: <20191122051121.GE5582@umbus.fritz.box> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-TM-AS-GCONF: 00 x-cbid: 19121706-0020-0000-0000-00000398FBC2 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19121706-0021-0000-0000-000021F015FC Message-Id: <60ac495d-a6ef-f182-1c08-4061e362919e@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-12-17_01:2019-12-16,2019-12-16 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=958 lowpriorityscore=0 malwarescore=0 spamscore=0 bulkscore=0 suspectscore=0 clxscore=1015 phishscore=0 impostorscore=0 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1912170055 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: xiaoguangrong.eric@gmail.com, mst@redhat.com, sbhat@linux.vnet.ibm.com, qemu-devel@nongnu.org, qemu-ppc@nongnu.org, imammedo@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi David, On 11/22/2019 10:41 AM, David Gibson wrote: > On Mon, Oct 14, 2019 at 01:38:16PM -0500, Shivaprasad G Bhat wrote: >> device_add/del phase itself instead. >> >> The guest kernel makes bind/unbind requests for the virtual NVDIMM device >> at the region level granularity. Without interleaving, each virtual NVDIMM > It's not clear to me what a "region" means in this context. That is PMEM terminology. "region" in this context is guest physical address range. Fixing all the rest of the things you pointed out. Thanks, Shivaprasad >