linux-kernel - RE: [PATCH v5 10/12] iommu: Separate SVA and IOPF

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Message-ID: <BN9PR11MB5276122347A9FB1AC3EEF7EA8CFCA@BN9PR11MB5276.namprd11.prod.outlook.com>
Date:   Mon, 25 Sep 2023 06:49:58 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     Lu Baolu <baolu.lu@...ux.intel.com>,
        Joerg Roedel <joro@...tes.org>,
        "Will Deacon" <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        "Jason Gunthorpe" <jgg@...pe.ca>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Nicolin Chen <nicolinc@...dia.com>
CC:     "Liu, Yi L" <yi.l.liu@...el.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Jason Gunthorpe" <jgg@...dia.com>
Subject: RE: [PATCH v5 10/12] iommu: Separate SVA and IOPF

> From: Lu Baolu <baolu.lu@...ux.intel.com>
> Sent: Thursday, September 14, 2023 4:57 PM
> 
> Add CONFIG_IOMMU_IOPF for page fault handling framework and select it
> from its real consumer. Move iopf function declaration from iommu-sva.h
> to iommu.h and remove iommu-sva.h as it's empty now.
> 
> Consolidate all SVA related code into iommu-sva.c:
> - Move iommu_sva_domain_alloc() from iommu.c to iommu-sva.c.
> - Move sva iopf handling code from io-pgfault.c to iommu-sva.c.
> 
> Consolidate iommu_report_device_fault() and iommu_page_response() into
> io-pgfault.c.
> 
> Export iopf_free_group() for iopf handlers implemented in modules. Some
> functions are renamed with more meaningful names. No other intentional
> functionality changes.
> 
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
> Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Reviewed-by: Kevin Tian <kevin.tian@...el.com>