linux-kernel - Re: [PATCH v9 02/26] dt-bindings: riscv: zicfilp and zicfiss in dt-bindings (extensions.yaml)

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Message-ID: <9b663e94-696c-4678-829a-6471e7022895@kernel.org>
Date: Wed, 14 Jan 2026 20:11:56 -0700 (MST)
From: Paul Walmsley <pjw@...nel.org>
To: Deepak Gupta <debug@...osinc.com>
cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, 
    Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, 
    x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>, 
    Andrew Morton <akpm@...ux-foundation.org>, 
    "Liam R. Howlett" <Liam.Howlett@...cle.com>, 
    Vlastimil Babka <vbabka@...e.cz>, 
    Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
    Paul Walmsley <paul.walmsley@...ive.com>, 
    Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
    Conor Dooley <conor@...nel.org>, Rob Herring <robh@...nel.org>, 
    Krzysztof Kozlowski <krzk+dt@...nel.org>, Arnd Bergmann <arnd@...db.de>, 
    Christian Brauner <brauner@...nel.org>, 
    Peter Zijlstra <peterz@...radead.org>, Oleg Nesterov <oleg@...hat.com>, 
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Subject: Re: [PATCH v9 02/26] dt-bindings: riscv: zicfilp and zicfiss in
 dt-bindings (extensions.yaml)

On Tue, 4 Feb 2025, Deepak Gupta wrote:

> Make an entry for cfi extensions in extensions.yaml.
> 
> Signed-off-by: Deepak Gupta <debug@...osinc.com>
> Acked-by: Rob Herring (Arm) <robh@...nel.org>

Here's what I'm planning to queue; please let me know if you want to 
change anything.


- Paul


From: Deepak Gupta <debug@...osinc.com>
Date: Wed, 19 Nov 2025 09:55:05 -0700

dt-bindings: riscv: document zicfilp and zicfiss in extensions.yaml

Make an entry for cfi extensions in extensions.yaml.

Signed-off-by: Deepak Gupta <debug@...osinc.com>
Acked-by: Rob Herring (Arm) <robh@...nel.org>
Tested-by: Andreas Korb <andreas.korb@...ec.fraunhofer.de> # QEMU, custom CVA6
Tested-by: Valentin Haudiquet <valentin.haudiquet@...onical.com>
Link: https://patch.msgid.link/20251112-v5_user_cfi_series-v23-2-b55691eacf4f@rivosinc.com
[pjw@...nel.org: updated subject]
Signed-off-by: Paul Walmsley <pjw@...nel.org>
---
 .../devicetree/bindings/riscv/extensions.yaml      | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index 5bab356addc8..1aeff17c7f24 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -469,6 +469,20 @@ properties:
             The standard Zicboz extension for cache-block zeroing as ratified
             in commit 3dd606f ("Create cmobase-v1.0.pdf") of riscv-CMOs.
 
+        - const: zicfilp
+          description: |
+            The standard Zicfilp extension for enforcing forward edge
+            control-flow integrity as ratified in commit 3f8e450 ("merge
+            pull request #227 from ved-rivos/0709") of riscv-cfi
+            github repo.
+
+        - const: zicfiss
+          description: |
+            The standard Zicfiss extension for enforcing backward edge
+            control-flow integrity as ratified in commit 3f8e450 ("merge
+            pull request #227 from ved-rivos/0709") of riscv-cfi
+            github repo.
+
         - const: zicntr
           description:
             The standard Zicntr extension for base counters and timers, as
-- 
2.51.0