diff for duplicates of <20190411172658.GA30605@lst.de>

diff --git a/a/1.txt b/N1/1.txt
index 0aaeb19..a7a888c 100644
--- a/a/1.txt
+++ b/N1/1.txt
@@ -4,3 +4,7 @@ best off rebasing it on top of that series and feeding it to him.
 Otherwise this looks good to me:
 
 Reviewed-by: Christoph Hellwig <hch@lst.de>
+_______________________________________________
+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 4e5f7be..ed01c96 100644
--- a/a/content_digest
+++ b/N1/content_digest
@@ -3,13 +3,12 @@
  "Subject\0Re: [PATCH] dma-debug: Only skip one stackframe entry\0"
  "Date\0Thu, 11 Apr 2019 19:26:58 +0200\0"
  "To\0Scott Wood <swood@redhat.com>\0"
- "Cc\0Christoph Hellwig <hch@lst.de>"
-  Marek Szyprowski <m.szyprowski@samsung.com>
-  Robin Murphy <robin.murphy@arm.com>
-  iommu@lists.linux-foundation.org
+ "Cc\0Robin Murphy <robin.murphy@arm.com>"
   linux-kernel@vger.kernel.org
+  iommu@lists.linux-foundation.org
+  Thomas Gleixner <tglx@linutronix.de>
   David Woodhouse <dwmw2@infradead.org>
- " Thomas Gleixner <tglx@linutronix.de>\0"
+ " Christoph Hellwig <hch@lst.de>\0"
  "\00:1\0"
  "b\0"
  "Thomas just posted a major rework in this area.  I think you are\n"
@@ -17,6 +16,10 @@
  "\n"
  "Otherwise this looks good to me:\n"
  "\n"
- Reviewed-by: Christoph Hellwig <hch@lst.de>
+ "Reviewed-by: Christoph Hellwig <hch@lst.de>\n"
+ "_______________________________________________\n"
+ "iommu mailing list\n"
+ "iommu@lists.linux-foundation.org\n"
+ https://lists.linuxfoundation.org/mailman/listinfo/iommu
 
-2cb745e9c613e0d1b9a87486763d587a98ea38d3ad0244d4ab7fdf241a5e122a
+89a138edd41eb49975ce110a2dc2585e7ed8b6545123cce6294dea684cc02d63
