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-rw-r--r--tools/memory-model/README8
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/memory-model/README b/tools/memory-model/README
index 9d7d4f23503f..2b87f3971548 100644
--- a/tools/memory-model/README
+++ b/tools/memory-model/README
@@ -20,13 +20,17 @@ that litmus test to be exercised within the Linux kernel.
REQUIREMENTS
============
-Version 7.49 of the "herd7" and "klitmus7" tools must be downloaded
-separately:
+Version 7.52 or higher of the "herd7" and "klitmus7" tools must be
+downloaded separately:
https://github.com/herd/herdtools7
See "herdtools7/INSTALL.md" for installation instructions.
+Note that although these tools usually provide backwards compatibility,
+this is not absolutely guaranteed. Therefore, if a later version does
+not work, please try using the exact version called out above.
+
==================
BASIC USAGE: HERD7