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-rw-r--r--Documentation/arm64/elf_hwcaps.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst
index b72ff17d600a..a8f30963e550 100644
--- a/Documentation/arm64/elf_hwcaps.rst
+++ b/Documentation/arm64/elf_hwcaps.rst
@@ -259,6 +259,11 @@ HWCAP2_RPRES
Functionality implied by ID_AA64ISAR2_EL1.RPRES == 0b0001.
+HWCAP2_MTE3
+
+ Functionality implied by ID_AA64PFR1_EL1.MTE == 0b0011, as described
+ by Documentation/arm64/memory-tagging-extension.rst.
+
4. Unused AT_HWCAP bits
-----------------------