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Message-ID: <BN9PR11MB5276101F4CD2F9B4CF479AEB8C08A@BN9PR11MB5276.namprd11.prod.outlook.com>
Date:   Thu, 3 Aug 2023 07:55:16 +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>
Subject: RE: [PATCH v2 04/12] iommu: Replace device fault handler with
 iommu_queue_iopf()

> From: Lu Baolu <baolu.lu@...ux.intel.com>
> Sent: Thursday, July 27, 2023 1:48 PM
> 
> The individual iommu drivers report iommu faults by calling
> iommu_report_device_fault(), where a pre-registered device fault handler
> is called to route the fault to another fault handler installed on the
> corresponding iommu domain.
> 
> The pre-registered device fault handler is static and won't be dynamic
> as the fault handler is eventually per iommu domain. Replace calling
> device fault handler with iommu_queue_iopf().
> 
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>

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

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