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From:   Guo Ren <guoren@kernel.org>
Date:   Wed, 20 Jul 2022 12:04:58 +0800
Message-ID: <CAJF2gTR27PLRoZGdy_D1YvgCdWdKFo_QVNymML5794mzZ7Ub9Q@mail.gmail.com>
Subject: Re: [PATCH] riscv: fix RISCV_ISA_SVPBMT kconfig dependency warning
To:     Randy Dunlap <rdunlap@infradead.org>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Wei Fu <wefu@redhat.com>,
        Liu Shaohua <liush@allwinnertech.com>,
        Heiko Stuebner <heiko@sntech.de>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        linux-riscv <linux-riscv@lists.infradead.org>
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Reviewed-by: Guo Ren <guoren@kernel.org>

On Sat, Jul 9, 2022 at 9:49 AM Randy Dunlap <rdunlap@infradead.org> wrote:
>
> RISCV_ISA_SVPBMT selects RISCV_ALTERNATIVE which depends on !XIP_KERNEL.
> Therefore RISCV_ISA_SVPBMT should also depend on !XIP_KERNEL so
> quieten this kconfig warning:
>
> WARNING: unmet direct dependencies detected for RISCV_ALTERNATIVE
>   Depends on [n]: !XIP_KERNEL [=y]
>   Selected by [y]:
>   - RISCV_ISA_SVPBMT [=y] && 64BIT [=y] && MMU [=y]
>
> Fixes: ff689fd21cb1 ("riscv: add RISC-V Svpbmt extension support")
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: Wei Fu <wefu@redhat.com>
> Cc: Liu Shaohua <liush@allwinnertech.com>
> Cc: Guo Ren <guoren@kernel.org>
> Cc: Heiko Stuebner <heiko@sntech.de>
> Cc: Paul Walmsley <paul.walmsley@sifive.com>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> Cc: Albert Ou <aou@eecs.berkeley.edu>
> Cc: linux-riscv@lists.infradead.org
> ---
>  arch/riscv/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
>
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -362,6 +362,7 @@ config RISCV_ISA_C
>  config RISCV_ISA_SVPBMT
>         bool "SVPBMT extension support"
>         depends on 64BIT && MMU
> +       depends on !XIP_KERNEL
>         select RISCV_ALTERNATIVE
>         default y
>         help


-- 
Best Regards
 Guo Ren