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Fri, 13 Nov 2020 05:57:30 +0000 Subject: Re: [PATCH v3 00/14] iommu/amd: Add Generic IO Page Table Framework Support From: Suravee Suthikulpanit To: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org Cc: joro@8bytes.org, robin.murphy@arm.com References: <20201004014549.16065-1-suravee.suthikulpanit@amd.com> Message-ID: <4dce5bdb-1a08-75ad-fd41-a1686521fef1@amd.com> Date: Fri, 13 Nov 2020 12:57:18 +0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.4.1 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Originating-IP: [165.204.80.7] X-ClientProxiedBy: KL1PR02CA0027.apcprd02.prod.outlook.com (2603:1096:820:d::14) To BYAPR12MB4597.namprd12.prod.outlook.com (2603:10b6:a03:10b::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from Suravees-MacBook-Pro.local (165.204.80.7) by KL1PR02CA0027.apcprd02.prod.outlook.com (2603:1096:820:d::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3564.25 via Frontend Transport; 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I am working on V4 to resubmit. Thank you, Suravee On 11/11/20 10:10 AM, Suravee Suthikulpanit wrote: > Hi Joerg, > > Do you have any update on this series? > > Thanks, > Suravee > > On 11/2/20 10:16 AM, Suravee Suthikulpanit wrote: >> Joerg, >> >> You mentioned to remind you to pull this in to linux-next. >> >> Thanks, >> Suravee >> >> On 10/4/20 8:45 AM, Suravee Suthikulpanit wrote: >>> The framework allows callable implementation of IO page table. >>> This allows AMD IOMMU driver to switch between different types >>> of AMD IOMMU page tables (e.g. v1 vs. v2). >>> >>> This series refactors the current implementation of AMD IOMMU v1 page table >>> to adopt the framework. There should be no functional change. >>> Subsequent series will introduce support for the AMD IOMMU v2 page table. >>> >>> Thanks, >>> Suravee >>> >>> Change from V2 (https://lore.kernel.org/lkml/835c0d46-ed96-9fbe-856a-777dcffac967@amd.com/T/#t) >>>    - Patch 2/14: Introduce helper function io_pgtable_cfg_to_data. >>>    - Patch 13/14: Put back the struct iommu_flush_ops since patch v2 would run into >>>      NULL pointer bug when calling free_io_pgtable_ops if not defined. >>> >>> Change from V1 (https://lkml.org/lkml/2020/9/23/251) >>>    - Do not specify struct io_pgtable_cfg.coherent_walk, since it is >>>      not currently used. (per Robin) >>>    - Remove unused struct iommu_flush_ops.  (patch 2/13) >>>    - Move amd_iommu_setup_io_pgtable_ops to iommu.c instead of io_pgtable.c >>>      patch 13/13) >>> >>> Suravee Suthikulpanit (14): >>>    iommu/amd: Re-define amd_iommu_domain_encode_pgtable as inline >>>    iommu/amd: Prepare for generic IO page table framework >>>    iommu/amd: Move pt_root to to struct amd_io_pgtable >>>    iommu/amd: Convert to using amd_io_pgtable >>>    iommu/amd: Declare functions as extern >>>    iommu/amd: Move IO page table related functions >>>    iommu/amd: Restructure code for freeing page table >>>    iommu/amd: Remove amd_iommu_domain_get_pgtable >>>    iommu/amd: Rename variables to be consistent with struct >>>      io_pgtable_ops >>>    iommu/amd: Refactor fetch_pte to use struct amd_io_pgtable >>>    iommu/amd: Introduce iommu_v1_iova_to_phys >>>    iommu/amd: Introduce iommu_v1_map_page and iommu_v1_unmap_page >>>    iommu/amd: Introduce IOMMU flush callbacks >>>    iommu/amd: Adopt IO page table framework >>> >>>   drivers/iommu/amd/Kconfig           |   1 + >>>   drivers/iommu/amd/Makefile          |   2 +- >>>   drivers/iommu/amd/amd_iommu.h       |  22 + >>>   drivers/iommu/amd/amd_iommu_types.h |  43 +- >>>   drivers/iommu/amd/io_pgtable.c      | 564 ++++++++++++++++++++++++ >>>   drivers/iommu/amd/iommu.c           | 646 +++------------------------- >>>   drivers/iommu/io-pgtable.c          |   3 + >>>   include/linux/io-pgtable.h          |   2 + >>>   8 files changed, 691 insertions(+), 592 deletions(-) >>>   create mode 100644 drivers/iommu/amd/io_pgtable.c >>> 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=-5.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 66534C388F9 for ; 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Fri, 13 Nov 2020 05:57:30 +0000 Subject: Re: [PATCH v3 00/14] iommu/amd: Add Generic IO Page Table Framework Support From: Suravee Suthikulpanit To: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org References: <20201004014549.16065-1-suravee.suthikulpanit@amd.com> Message-ID: <4dce5bdb-1a08-75ad-fd41-a1686521fef1@amd.com> Date: Fri, 13 Nov 2020 12:57:18 +0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.4.1 In-Reply-To: Content-Language: en-US X-Originating-IP: [165.204.80.7] X-ClientProxiedBy: KL1PR02CA0027.apcprd02.prod.outlook.com (2603:1096:820:d::14) To BYAPR12MB4597.namprd12.prod.outlook.com (2603:10b6:a03:10b::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from Suravees-MacBook-Pro.local (165.204.80.7) by KL1PR02CA0027.apcprd02.prod.outlook.com (2603:1096:820:d::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3564.25 via Frontend Transport; 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