Commit 30c3099036a9 ("riscv/hwprobe: add zicfilp / zicfiss
enumeration in hwprobe") added RISCV_HWPROBE_EXT_ZICFISS as bit 0 of
RISCV_HWPROBE_KEY_IMA_EXT_1 but did not add a matching entry to
Documentation/arch/riscv/hwprobe.rst.  Add it now.

Fixes: 30c3099036a9 ("riscv/hwprobe: add zicfilp / zicfiss enumeration in hwprobe")
Signed-off-by: Guodong Xu <guodong@riscstar.com>
---
v2: New patch.
---
 Documentation/arch/riscv/hwprobe.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/arch/riscv/hwprobe.rst b/Documentation/arch/riscv/hwprobe.rst
index c420a8349bc68..b1a84ac06da75 100644
--- a/Documentation/arch/riscv/hwprobe.rst
+++ b/Documentation/arch/riscv/hwprobe.rst
@@ -391,3 +391,7 @@ The following keys are defined:
 * :c:macro:`RISCV_HWPROBE_KEY_IMA_EXT_1`: A bitmask containing additional
   extensions that are compatible with the
   :c:macro:`RISCV_HWPROBE_BASE_BEHAVIOR_IMA`: base system behavior.
+
+  * :c:macro:`RISCV_HWPROBE_EXT_ZICFISS`: The Zicfiss extension is supported,
+       as defined in version 1.0 of the RISC-V Control-flow Integrity (CFI)
+       extensions specification, ratified 2024-07.

-- 
2.43.0