linux-kernel - Re: [PATCH 1/2] RISC-V: fix ordering of Zbb extension

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Date:   Thu, 9 Feb 2023 09:23:10 +0100
From:   Andrew Jones <ajones@...tanamicro.com>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     palmer@...osinc.com, conor@...nel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        christoph.muellner@...ll.eu,
        Heiko Stuebner <heiko.stuebner@...ll.eu>
Subject: Re: [PATCH 1/2] RISC-V: fix ordering of Zbb extension

On Wed, Feb 08, 2023 at 11:53:27PM +0100, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner@...ll.eu>
> 
> As Andrew reported,
>     Zb* comes after Zi* according 27.11 "Subset Naming Convention"
> so fix the ordering accordingly.
> 
> Reported-by: Andrew Jones <ajones@...tanamicro.com>
> Signed-off-by: Heiko Stuebner <heiko.stuebner@...ll.eu>
> ---
>  arch/riscv/kernel/cpu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/riscv/kernel/cpu.c b/arch/riscv/kernel/cpu.c
> index 420228e219f7..8400f0cc9704 100644
> --- a/arch/riscv/kernel/cpu.c
> +++ b/arch/riscv/kernel/cpu.c
> @@ -185,9 +185,9 @@ arch_initcall(riscv_cpuinfo_init);
>   * New entries to this struct should follow the ordering rules described above.
>   */
>  static struct riscv_isa_ext_data isa_ext_arr[] = {
> -	__RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB),
>  	__RISCV_ISA_EXT_DATA(zicbom, RISCV_ISA_EXT_ZICBOM),
>  	__RISCV_ISA_EXT_DATA(zihintpause, RISCV_ISA_EXT_ZIHINTPAUSE),
> +	__RISCV_ISA_EXT_DATA(zbb, RISCV_ISA_EXT_ZBB),
>  	__RISCV_ISA_EXT_DATA(sscofpmf, RISCV_ISA_EXT_SSCOFPMF),
>  	__RISCV_ISA_EXT_DATA(sstc, RISCV_ISA_EXT_SSTC),
>  	__RISCV_ISA_EXT_DATA(svinval, RISCV_ISA_EXT_SVINVAL),
> -- 
> 2.39.0
>

Reviewed-by: Andrew Jones <ajones@...tanamicro.com>