linux-kernel - Re: [PATCH v4 09/11] dt-bindings: riscv: Add Sha and its comprised extensions

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Message-ID: <20260112-quintuple-reviver-7f5af13e6399@spud>
Date: Mon, 12 Jan 2026 21:40:09 +0000
From: Conor Dooley <conor@...nel.org>
To: Guodong Xu <guodong@...cstar.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Paul Walmsley <pjw@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>,
	Yixun Lan <dlan@...too.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Samuel Holland <samuel.holland@...ive.com>,
	Anup Patel <anup@...infault.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>, Lubomir Rintel <lkundrak@...sk>,
	Yangyu Chen <cyy@...self.name>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Heinrich Schuchardt <xypron.glpk@....de>,
	Kevin Meng Zhang <zhangmeng.kevin@...ux.spacemit.com>,
	Andrew Jones <ajones@...tanamicro.com>, devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
	spacemit@...ts.linux.dev, linux-serial@...r.kernel.org
Subject: Re: [PATCH v4 09/11] dt-bindings: riscv: Add Sha and its comprised
 extensions

On Sat, Jan 10, 2026 at 01:18:21PM +0800, Guodong Xu wrote:
> Add descriptions for the Sha extension and the seven extensions it
> comprises: Shcounterenw, Shgatpa, Shtvala, Shvsatpa, Shvstvala, Shvstvecd,
> and Ssstateen.
> 
> Sha is ratified in the RVA23 Profiles Version 1.0 (commit 0273f3c921b6
> "rva23/rvb23 ratified") as a new profile-defined extension that captures
> the full set of features that are mandated to be supported along with
> the H extension.
> 
> Extensions Shcounterenw, Shgatpa, Shtvala, Shvsatpa, Shvstvala, Shvstvecd,
> and Ssstateen are ratified in the RISC-V Profiles Version 1.0 (commit
> b1d806605f87 "Updated to ratified state").
> 
> The requirement status for Sha and its comprised extension in RISC-V
> Profiles are:
>  - Sha: Mandatory in RVA23S64
>  - H: Optional in RVA22S64; Mandatory in RVA23S64
>  - Shcounterenw: Optional in RVA22S64; Mandatory in RVA23S64
>  - Shgatpa: Optional in RVA22S64; Mandatory in RVA23S64
>  - Shtvala: Optional in RVA22S64; Mandatory in RVA23S64
>  - Shvsatpa: Optional in RVA22S64; Mandatory in RVA23S64
>  - Shvstvala: Optional in RVA22S64; Mandatory in RVA23S64
>  - Shvstvecd: Optional in RVA22S64; Mandatory in RVA23S64
>  - Ssstateen: Optional in RVA22S64; Mandatory in RVA23S64
> 
> Signed-off-by: Guodong Xu <guodong@...cstar.com>

Acked-by: Conor Dooley <conor.dooley@...rochip.com>

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