linux-kernel - Re: [PATCH v2 2/4] riscv: dts: anlogic: dr1v90: Add "b" ISA extension

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <DFOT1OLHTY6Q.1TKU3R1DDM5SR@pigmoral.tech>
Date: Thu, 15 Jan 2026 10:25:09 +0800
From: "Junhui Liu" <junhui.liu@...moral.tech>
To: "Guodong Xu" <guodong@...cstar.com>, "Jonathan Corbet" <corbet@....net>,
 "Paul Walmsley" <pjw@...nel.org>, "Palmer Dabbelt" <palmer@...belt.com>,
 "Albert Ou" <aou@...s.berkeley.edu>, "Alexandre Ghiti" <alex@...ti.fr>,
 "Conor Dooley" <conor.dooley@...rochip.com>, "Conor Dooley"
 <conor@...nel.org>, "Rob Herring" <robh@...nel.org>, "Krzysztof Kozlowski"
 <krzk+dt@...nel.org>, "Chen Wang" <unicorn_wang@...look.com>, "Inochi
 Amaoto" <inochiama@...il.com>, "Yixun Lan" <dlan@...too.org>, "Conor
 Dooley" <conor+dt@...nel.org>
Cc: "Junhui Liu" <junhui.liu@...moral.tech>, <linux-doc@...r.kernel.org>,
 <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
 <devicetree@...r.kernel.org>, <sophgo@...ts.linux.dev>,
 <spacemit@...ts.linux.dev>
Subject: Re: [PATCH v2 2/4] riscv: dts: anlogic: dr1v90: Add "b" ISA
 extension

Hi Guodong,

On Thu Jan 15, 2026 at 7:18 AM CST, Guodong Xu wrote:
> "b" is ratified (Apr/2024) much later than its components zba/zbb/zbs
> (Jun/2021). With "b" added into riscv/extensions.yaml, a dependency
> checking rule is now enforced, which requires that when zba, zbb, and zbs
> are all specified, "b" must be added as well. Failing to do this will
> cause dtbs_check schema check warnings.
>
> According to uabi.rst, as a single-letter extension, "b" should be added
> after "c" in canonical order.
>
> Update dr1v90.dtsi to conform to this rule. Line balancing is performed
> to improve readability.
>
> Signed-off-by: Guodong Xu <guodong@...cstar.com>

Reviewed-by: Junhui Liu <junhui.liu@...moral.tech>

-- 
Best regards,
Junhui Liu