diff for duplicates of <20211025233602.GN2744544@nvidia.com>

diff --git a/a/1.txt b/N1/1.txt
index 531f778..02c2cff 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -7,9 +7,3 @@ I would refcount it since that is the only thing that makes semantic
 sense with the device centric model.
 
 Jason
-
-
-_______________________________________________
-iommu mailing list
-iommu@lists.linux-foundation.org
-https://lists.linuxfoundation.org/mailman/listinfo/iommu
diff --git a/a/content_digest b/N1/content_digest
index baf2c19..39096e8 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -7,33 +7,43 @@
  "ref\0YXY9UIKDlQpNDGax@yekko\0"
  "ref\020211025121410.GQ2744544@nvidia.com\0"
  "ref\0YXauO+YSR7ivz1QW@yekko\0"
- "From\0Jason Gunthorpe via iommu <iommu@lists.linux-foundation.org>\0"
+ "From\0Jason Gunthorpe <jgg@nvidia.com>\0"
  "Subject\0Re: [RFC 13/20] iommu: Extend iommu_at[de]tach_device() for multiple devices group\0"
  "Date\0Mon, 25 Oct 2021 20:36:02 -0300\0"
  "To\0David Gibson <david@gibson.dropbear.id.au>\0"
- "Cc\0kvm@vger.kernel.org <kvm@vger.kernel.org>"
-  jasowang@redhat.com <jasowang@redhat.com>
-  kwankhede@nvidia.com <kwankhede@nvidia.com>
+ "Cc\0Tian"
+  Kevin <kevin.tian@intel.com>
+  Liu
+  Yi L <yi.l.liu@intel.com>
+  alex.williamson@redhat.com <alex.williamson@redhat.com>
   hch@lst.de <hch@lst.de>
+  jasowang@redhat.com <jasowang@redhat.com>
+  joro@8bytes.org <joro@8bytes.org>
   jean-philippe@linaro.org <jean-philippe@linaro.org>
-  Jiang
-  Dave <dave.jiang@intel.com>
-  Raj
-  Ashok <ashok.raj@intel.com>
-  corbet@lwn.net <corbet@lwn.net>
-  Tian
-  Kevin <kevin.tian@intel.com>
   parav@mellanox.com <parav@mellanox.com>
-  alex.williamson@redhat.com <alex.williamson@redhat.com>
   lkml@metux.net <lkml@metux.net>
-  dwmw2@infradead.org <dwmw2@infradead.org>
+  pbonzini@redhat.com <pbonzini@redhat.com>
+  lushenming@huawei.com <lushenming@huawei.com>
+  eric.auger@redhat.com <eric.auger@redhat.com>
+  corbet@lwn.net <corbet@lwn.net>
+  Raj
+  Ashok <ashok.raj@intel.com>
+  yi.l.liu@linux.intel.com <yi.l.liu@linux.intel.com>
   Tian
   Jun J <jun.j.tian@intel.com>
-  linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org>
-  lushenming@huawei.com <lushenming@huawei.com>
+  Wu
+  Hao <hao.wu@intel.com>
+  Jiang
+  Dave <dave.jiang@intel.com>
+  jacob.jun.pan@linux.intel.com <jacob.jun.pan@linux.intel.com>
+  kwankhede@nvidia.com <kwankhede@nvidia.com>
+  robin.murphy@arm.com <robin.murphy@arm.com>
+  kvm@vger.kernel.org <kvm@vger.kernel.org>
   iommu@lists.linux-foundation.org <iommu@lists.linux-foundation.org>
-  pbonzini@redhat.com <pbonzini@redhat.com>
- " robin.murphy@arm.com <robin.murphy@arm.com>\0"
+  dwmw2@infradead.org <dwmw2@infradead.org>
+  linux-kernel@vger.kernel.org <linux-kernel@vger.kernel.org>
+  baolu.lu@linux.intel.com <baolu.lu@linux.intel.com>
+ " nicolinc@nvidia.com <nicolinc@nvidia.com>\0"
  "\00:1\0"
  "b\0"
  "On Tue, Oct 26, 2021 at 12:16:43AM +1100, David Gibson wrote:\n"
@@ -44,12 +54,6 @@
  "I would refcount it since that is the only thing that makes semantic\n"
  "sense with the device centric model.\n"
  "\n"
- "Jason\n"
- "\n"
- "\n"
- "_______________________________________________\n"
- "iommu mailing list\n"
- "iommu@lists.linux-foundation.org\n"
- https://lists.linuxfoundation.org/mailman/listinfo/iommu
+ Jason
 
-fc8ee626d5a9b0c2f3cef7fc7e057a7c3a58679b039e591ff53918d3291e9c18
+a618426e97c94ac8292298fc1de9c8a0c63c1b15938032bbb752ac5194d2b39f
