arm64: mte: Add Memory Tagging Extension documentation

[linux-2.6-microblaze.git] / Documentation / arm64 / elf_hwcaps.rst

diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst
index 84a9fd2..bbd9cf5 100644 (file)
--- a/Documentation/arm64/elf_hwcaps.rst
+++ b/Documentation/arm64/elf_hwcaps.rst
@@ -240,6 +240,10 @@ HWCAP2_BTI
 
     Functionality implied by ID_AA64PFR0_EL1.BT == 0b0001.
 
+HWCAP2_MTE
+
+    Functionality implied by ID_AA64PFR1_EL1.MTE == 0b0010, as described
+    by Documentation/arm64/memory-tagging-extension.rst.
 
 4. Unused AT_HWCAP bits
 -----------------------