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-rw-r--r--Documentation/arm64/elf_hwcaps.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst
index ec1a5a63c1d0..af106af8e1c0 100644
--- a/Documentation/arm64/elf_hwcaps.rst
+++ b/Documentation/arm64/elf_hwcaps.rst
@@ -247,6 +247,10 @@ HWCAP2_MTE
Functionality implied by ID_AA64PFR1_EL1.MTE == 0b0010, as described
by Documentation/arm64/memory-tagging-extension.rst.
+HWCAP2_ECV
+
+ Functionality implied by ID_AA64MMFR0_EL1.ECV == 0b0001.
+
4. Unused AT_HWCAP bits
-----------------------