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Date: Fri, 6 Oct 2017 07:43:16 +0200
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: iommu@lists.linux-foundation.org, LKML <linux-kernel@vger.kernel.org>,
        Joerg Roedel <joro@8bytes.org>, David Woodhouse <dwmw2@infradead.org>,
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        "Liu, Yi L" <yi.l.liu@intel.com>, Lan Tianyu <tianyu.lan@intel.com>,
        "Tian, Kevin" <kevin.tian@intel.com>, Raj Ashok <ashok.raj@intel.com>,
        Alex Williamson <alex.williamson@redhat.com>
Subject: Re: [PATCH v2 09/16] driver core: add iommu device fault reporting
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Message-ID: <20171006054316.GA11608@kroah.com>
References: <1507244624-39189-1-git-send-email-jacob.jun.pan@linux.intel.com>
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On Thu, Oct 05, 2017 at 04:03:37PM -0700, Jacob Pan wrote:
> DMA faults can be detected by IOMMU at device level. Adding a pointer
> to struct device allows IOMMU subsystem to report relevant faults
> back to the device driver for further handling.
> For direct assigned device (or user space drivers), guest OS holds
> responsibility to handle and respond per device IOMMU fault.
> Therefore we need fault reporting mechanism to propagate faults beyond
> IOMMU subsystem.
> 
> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>