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Thu, 7 Jul 2022 08:46:12 +0000 Received: from BN9PR11MB5276.namprd11.prod.outlook.com ([fe80::8435:5a99:1e28:b38c]) by BN9PR11MB5276.namprd11.prod.outlook.com ([fe80::8435:5a99:1e28:b38c%2]) with mapi id 15.20.5395.021; Thu, 7 Jul 2022 08:46:12 +0000 From: "Tian, Kevin" To: Nicolin Chen , "kwankhede@nvidia.com" , "corbet@lwn.net" , "hca@linux.ibm.com" , "gor@linux.ibm.com" , "agordeev@linux.ibm.com" , "borntraeger@linux.ibm.com" , "svens@linux.ibm.com" , "zhenyuw@linux.intel.com" , "Wang, Zhi A" , "jani.nikula@linux.intel.com" , "joonas.lahtinen@linux.intel.com" , "Vivi, Rodrigo" , "tvrtko.ursulin@linux.intel.com" , "airlied@linux.ie" , "daniel@ffwll.ch" , "farman@linux.ibm.com" , "mjrosato@linux.ibm.com" , "pasic@linux.ibm.com" , "vneethv@linux.ibm.com" , "oberpar@linux.ibm.com" , "freude@linux.ibm.com" , "akrowiak@linux.ibm.com" , "jjherne@linux.ibm.com" , "alex.williamson@redhat.com" , "cohuck@redhat.com" , "jgg@nvidia.com" , "hch@infradead.org" CC: "linux-s390@vger.kernel.org" , "kvm@vger.kernel.org" , "linux-doc@vger.kernel.org" , "intel-gfx@lists.freedesktop.org" , "jchrist@linux.ibm.com" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "intel-gvt-dev@lists.freedesktop.org" Subject: RE: [RFT][PATCH v2 4/9] vfio: Pass in starting IOVA to vfio_pin/unpin_pages API Thread-Topic: [RFT][PATCH v2 4/9] vfio: Pass in starting IOVA to vfio_pin/unpin_pages API Thread-Index: AQHYkQGk+7oqdDT4NUCRLeKa0V01Qa1ymTqQ Date: Thu, 7 Jul 2022 08:46:12 +0000 Message-ID: References: <20220706062759.24946-1-nicolinc@nvidia.com> <20220706062759.24946-5-nicolinc@nvidia.com> In-Reply-To: <20220706062759.24946-5-nicolinc@nvidia.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN9PR11MB5276.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 611f6179-7572-4cb7-b826-08da5ff52534 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Jul 2022 08:46:12.2028 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: aoBWMx37ZcNIcvvZ23/z1adTdPhOsAWTMhhEPh7dUeHivdeUAm9sa+WiheyxQtkB9D5MTku7JTK4g642XlK4og== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW5PR11MB5907 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > From: Nicolin Chen > Sent: Wednesday, July 6, 2022 2:28 PM > /* > - * Pin a set of guest PFNs and return their associated host PFNs for loc= al > + * Pin contiguous guest pages and return their associated host pages for > local can we replace 'guest' with 'user'? > * domain only. > * @device [in] : device > - * @user_pfn [in]: array of user/guest PFNs to be pinned. > - * @npage [in] : count of elements in user_pfn array. This count shou= ld > not > + * @iova [in] : starting IOVA of user/guest pages to be pinned. remove 'guest'. > + * @npage [in] : count of pages to be pinned. This count should not > * be greater VFIO_PIN_PAGES_MAX_ENTRIES. greater 'than' ... otherwise looks good: Reviewed-by: Kevin Tian 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C37CAC433EF for ; Thu, 7 Jul 2022 08:46:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 08E4514A548; Thu, 7 Jul 2022 08:46:17 +0000 (UTC) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0198A14A543; Thu, 7 Jul 2022 08:46:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657183576; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BN9PR11MB5276.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 611f6179-7572-4cb7-b826-08da5ff52534 X-MS-Exchange-CrossTenant-originalarrivaltime: 07 Jul 2022 08:46:12.2028 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: aoBWMx37ZcNIcvvZ23/z1adTdPhOsAWTMhhEPh7dUeHivdeUAm9sa+WiheyxQtkB9D5MTku7JTK4g642XlK4og== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW5PR11MB5907 X-OriginatorOrg: intel.com Subject: Re: [Intel-gfx] [RFT][PATCH v2 4/9] vfio: Pass in starting IOVA to vfio_pin/unpin_pages API X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linux-s390@vger.kernel.org" , "kvm@vger.kernel.org" , "linux-doc@vger.kernel.org" , "intel-gfx@lists.freedesktop.org" , "jchrist@linux.ibm.com" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "intel-gvt-dev@lists.freedesktop.org" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" > From: Nicolin Chen > Sent: Wednesday, July 6, 2022 2:28 PM > /* > - * Pin a set of guest PFNs and return their associated host PFNs for loc= al > + * Pin contiguous guest pages and return their associated host pages for > local can we replace 'guest' with 'user'? > * domain only. > * @device [in] : device > - * @user_pfn [in]: array of user/guest PFNs to be pinned. > - * @npage [in] : count of elements in user_pfn array. This count shou= ld > not > + * @iova [in] : starting IOVA of user/guest pages to be pinned. remove 'guest'. > + * @npage [in] : count of pages to be pinned. This count should not > * be greater VFIO_PIN_PAGES_MAX_ENTRIES. greater 'than' ... otherwise looks good: Reviewed-by: Kevin Tian