diff for duplicates of <20220107011929.GQ2328285@nvidia.com>

diff --git a/a/1.txt b/N1/1.txt
index 048881e..053f219 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -24,7 +24,3 @@ Much of the group refcounting code is useless for this reason. The
 group simply cannot be concurrently destroyed in these contexts.
 
 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 b9a3074..e99720d 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -2,35 +2,39 @@
  "ref\020220106022053.2406748-4-baolu.lu@linux.intel.com\0"
  "ref\020220106172249.GJ2328285@nvidia.com\0"
  "ref\0ec61dd78-7e21-c9ca-b042-32d396577a22@linux.intel.com\0"
- "From\0Jason Gunthorpe via iommu <iommu@lists.linux-foundation.org>\0"
+ "From\0Jason Gunthorpe <jgg@nvidia.com>\0"
  "Subject\0Re: [PATCH v1 3/8] iommu: Extend iommu_at[de]tach_device() for multi-device groups\0"
  "Date\0Thu, 6 Jan 2022 21:19:29 -0400\0"
  "To\0Lu Baolu <baolu.lu@linux.intel.com>\0"
- "Cc\0Stuart Yoder <stuyoder@gmail.com>"
-  rafael@kernel.org
-  David Airlie <airlied@linux.ie>
-  linux-pci@vger.kernel.org
-  Thierry Reding <thierry.reding@gmail.com>
-  Diana Craciun <diana.craciun@oss.nxp.com>
-  Dmitry Osipenko <digetx@gmail.com>
-  Will Deacon <will@kernel.org>
-  Ashok Raj <ashok.raj@intel.com>
-  Jonathan Hunter <jonathanh@nvidia.com>
+ "Cc\0Joerg Roedel <joro@8bytes.org>"
+  Alex Williamson <alex.williamson@redhat.com>
+  Robin Murphy <robin.murphy@arm.com>
   Christoph Hellwig <hch@infradead.org>
   Kevin Tian <kevin.tian@intel.com>
-  Chaitanya Kulkarni <kch@nvidia.com>
-  Alex Williamson <alex.williamson@redhat.com>
-  kvm@vger.kernel.org
+  Ashok Raj <ashok.raj@intel.com>
+  Greg Kroah-Hartman <gregkh@linuxfoundation.org>
   Bjorn Helgaas <bhelgaas@google.com>
+  Will Deacon <will@kernel.org>
   Dan Williams <dan.j.williams@intel.com>
-  Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+  rafael@kernel.org
+  Diana Craciun <diana.craciun@oss.nxp.com>
   Cornelia Huck <cohuck@redhat.com>
-  linux-kernel@vger.kernel.org
-  Li Yang <leoyang.li@nxp.com>
-  iommu@lists.linux-foundation.org
+  Eric Auger <eric.auger@redhat.com>
+  Liu Yi L <yi.l.liu@intel.com>
   Jacob jun Pan <jacob.jun.pan@intel.com>
+  Chaitanya Kulkarni <kch@nvidia.com>
+  Stuart Yoder <stuyoder@gmail.com>
+  Laurentiu Tudor <laurentiu.tudor@nxp.com>
+  Thierry Reding <thierry.reding@gmail.com>
+  David Airlie <airlied@linux.ie>
   Daniel Vetter <daniel@ffwll.ch>
- " Robin Murphy <robin.murphy@arm.com>\0"
+  Jonathan Hunter <jonathanh@nvidia.com>
+  Li Yang <leoyang.li@nxp.com>
+  Dmitry Osipenko <digetx@gmail.com>
+  iommu@lists.linux-foundation.org
+  linux-pci@vger.kernel.org
+  kvm@vger.kernel.org
+ " linux-kernel@vger.kernel.org\0"
  "\00:1\0"
  "b\0"
  "On Fri, Jan 07, 2022 at 09:14:38AM +0800, Lu Baolu wrote:\n"
@@ -58,10 +62,6 @@
  "Much of the group refcounting code is useless for this reason. The\n"
  "group simply cannot be concurrently destroyed in these contexts.\n"
  "\n"
- "Jason\n"
- "_______________________________________________\n"
- "iommu mailing list\n"
- "iommu@lists.linux-foundation.org\n"
- https://lists.linuxfoundation.org/mailman/listinfo/iommu
+ Jason
 
-1719cd701f468da76b0507ad0770d46c9a76cab4bd83dc527bb8a590981f383e
+aa2192ce8e09066ed0f8f68d2aaef9040a9e71f4117f96c1d09547187d3fdb55
