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-rw-r--r--Documentation/arm64/cpu-feature-registers.rst2
-rw-r--r--Documentation/arm64/elf_hwcaps.rst5
-rw-r--r--Documentation/filesystems/proc.rst1
3 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/arm64/cpu-feature-registers.rst b/Documentation/arm64/cpu-feature-registers.rst
index 41937a8091aa..314fa5bc2655 100644
--- a/Documentation/arm64/cpu-feature-registers.rst
+++ b/Documentation/arm64/cpu-feature-registers.rst
@@ -176,6 +176,8 @@ infrastructure:
+------------------------------+---------+---------+
| SSBS | [7-4] | y |
+------------------------------+---------+---------+
+ | BT | [3-0] | y |
+ +------------------------------+---------+---------+
4) MIDR_EL1 - Main ID Register
diff --git a/Documentation/arm64/elf_hwcaps.rst b/Documentation/arm64/elf_hwcaps.rst
index 7dfb97dfe416..84a9fd2d41b4 100644
--- a/Documentation/arm64/elf_hwcaps.rst
+++ b/Documentation/arm64/elf_hwcaps.rst
@@ -236,6 +236,11 @@ HWCAP2_RNG
Functionality implied by ID_AA64ISAR0_EL1.RNDR == 0b0001.
+HWCAP2_BTI
+
+ Functionality implied by ID_AA64PFR0_EL1.BT == 0b0001.
+
+
4. Unused AT_HWCAP bits
-----------------------
diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 38b606991065..9969bf4c0c44 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -543,6 +543,7 @@ encoded manner. The codes are the following:
hg huge page advise flag
nh no huge page advise flag
mg mergable advise flag
+ bt - arm64 BTI guarded page
== =======================================
Note that there is no guarantee that every flag and associated mnemonic will