diff for duplicates of <20210901042135.103981-1-chao.gao@intel.com>

diff --git a/a/1.txt b/N1/1.txt
index 821ade5..a9f430f 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -196,8 +196,3 @@ index 87c40517e822..12b5b8471e54 100644
  	/*
 -- 
 2.25.1
-
-_______________________________________________
-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 05b2762..41ab8c7 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -7,7 +7,8 @@
   Robin Murphy <robin.murphy@arm.com>
   iommu@lists.linux-foundation.org
  " linux-kernel@vger.kernel.org\0"
- "Cc\0Andi Kleen <ak@linux.intel.com>\0"
+ "Cc\0Chao Gao <chao.gao@intel.com>"
+ " Andi Kleen <ak@linux.intel.com>\0"
  "\00:1\0"
  "b\0"
  "Currently, swiotlb uses a global index to indicate the starting point\n"
@@ -207,11 +208,6 @@
  " \n"
  " \t/*\n"
  "-- \n"
- "2.25.1\n"
- "\n"
- "_______________________________________________\n"
- "iommu mailing list\n"
- "iommu@lists.linux-foundation.org\n"
- https://lists.linuxfoundation.org/mailman/listinfo/iommu
+ 2.25.1
 
-41ee22b725b7fde25986ac17a23b4ba030c109043dc6fe09eefc73dc02f46ed0
+2eb229ebc8210c792158530b80e54ee86ae22d1ee9bdc1839ad93f8ce352ca6a
