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Message-ID: <112597086.nniJfEyVGO@phil>
Date:   Sun, 09 Jul 2023 16:08:46 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-riscv@...ts.infradead.org
Cc:     "Hongren (Zenithal) Zheng" <i@...ithal.me>, linux@...osinc.com,
        Conor Dooley <conor.dooley@...rochip.com>,
        Andrew Jones <ajones@...tanamicro.com>,
        Anup Patel <apatel@...tanamicro.com>,
        linux-kernel@...r.kernel.org, Guo Ren <guoren@...nel.org>,
        Atish Patra <atishp@...osinc.com>,
        Samuel Ortiz <sameo@...osinc.com>,
        Björn Töpel <bjorn@...osinc.com>,
        Evan Green <evan@...osinc.com>, devicetree@...r.kernel.org,
        Jiatai He <jiatai2021@...as.ac.cn>,
        Samuel Ortiz <sameo@...osinc.com>
Subject: Re: [PATCH v3 1/4] RISC-V: Add Bitmanip/Scalar Crypto parsing from DT

Am Sonntag, 9. Juli 2023, 13:55:43 CEST schrieb Samuel Ortiz:
> From: "Hongren (Zenithal) Zheng" <i@...ithal.me>
> 
> Parse Zb/Zk related string from DT and output them to cpuinfo.
> 
> It is worth noting that the Scalar Crypto extension defines "zk" as a
> shorthand for the Zkn, Zkr and Zkt extensions. Since the Zkn one also
> implies the Zbkb, Zbkc and Zbkx extensions, simply passing the valid
> "zk" extension name through a DT will enable all of the  Zbkb, Zbkc,
> Zbkx, Zkn, Zkr and Zkt extensions.
> 
> Also, since there currently is no mechanism to merge all enabled
> extensions, the generated cpuinfo output could be relatively large.
> For example, setting the "riscv,isa" DT property to "rv64imafdc_zk_zks"
> will generate the following cpuinfo output:
> "rv64imafdc_zbkb_zbkc_zbkx_zknd_zkne_zknh_zkr_zksed_zksh_zkt".
> 
> Tested-by: Jiatai He <jiatai2021@...as.ac.cn>
> Reviewed-by: Evan Green <evan@...osinc.com>
> Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>
> Signed-off-by: Samuel Ortiz <sameo@...osinc.com>
> Signed-off-by: Hongren (Zenithal) Zheng <i@...ithal.me>

Signed-off-by lines should be the other way around (Hongren Zhen first,
then yours), otherwise

Reviewed-by: Heiko Stuebner <heiko.stuebner@...ll.eu>
Tested-by: Heiko Stuebner <heiko.stuebner@...ll.eu>



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