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Date:   Thu, 24 Nov 2022 10:19:16 +0100
From:   Samuel Ortiz <sameo@rivosinc.com>
To:     "Hongren (Zenithal) Zheng" <i@zenithal.me>
Cc:     Palmer Dabbelt <palmer@rivosinc.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Atish Patra <atishp@rivosinc.com>,
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        Michael Kerrisk <mtk.manpages@gmail.com>,
        linux-man@vger.kernel.org, Jiatai He <jiatai2021@iscas.ac.cn>,
        Heiko Stuebner <heiko@sntech.de>, Conor.Dooley@microchip.com
Subject: Re: [PATCH v3 1/3] RISC-V: add Bitmanip/Scalar Crypto parsing from DT
Message-ID: <Y383FE6/w2sLd4I5@vermeer>
References: <YqYz+xDsXr/tNaNu@Sun>
 <YqY0aSngjI0Hc5d4@Sun>
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Hi,

On Mon, Jun 13, 2022 at 02:46:01AM +0800, Hongren (Zenithal) Zheng wrote:
> This patch parses Zb/Zk related string from DT and
> output them in cpuinfo
> 
> One thing worth noting is that if DT provides zk,
> all zbkb, zbkc, zbkx and zkn, zkr, zkt would be enabled.
> 
> Note that zk is a valid extension name and the current
> DT binding spec allows this.
> 
> This patch also changes the logical id of
> existing multi-letter extensions and adds a statement
> that instead of logical id compatibility, the order
> is needed.
> 
> There currently lacks a mechanism to merge them when
> producing cpuinfo. Namely if you provide a riscv,isa
> "rv64imafdc_zk_zks", the cpuinfo output would be
> "rv64imafdc_zbkb_zbkc_zbkx_zknd_zkne_zknh_zkr_zksed
> _zksh_zkt"
> 
> Tested-by: Jiatai He <jiatai2021@iscas.ac.cn>
> Signed-off-by: Hongren (Zenithal) Zheng <i@zenithal.me>
FWIW, after some rebasing:

Tested-by: Samuel Ortiz <sameo@rivosinc.com>

Cheers,
Samuel.