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From:   Anup Patel <anup@brainfault.org>
Date:   Fri, 2 Apr 2021 09:44:22 +0530
Message-ID: <CAAhSdy0p4g1o2xLbHXzMer7P=DgLjYfbiO4nYTU1gqPbLgLUKg@mail.gmail.com>
Subject: Re: [PATCH v2 9/9] riscv: Set ARCH_HAS_STRICT_MODULE_RWX if MMU
To:     Jisheng Zhang <jszhang3@mail.ustc.edu.cn>
Cc:     Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Andrey Ryabinin <ryabinin.a.a@gmail.com>,
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        Dmitry Vyukov <dvyukov@google.com>,
        =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn@kernel.org>,
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On Wed, Mar 31, 2021 at 10:05 PM Jisheng Zhang
<jszhang3@mail.ustc.edu.cn> wrote:
>
> From: Jisheng Zhang <jszhang@kernel.org>
>
> Now we can set ARCH_HAS_STRICT_MODULE_RWX for MMU riscv platforms, this
> is good from security perspective.
>
> Signed-off-by: Jisheng Zhang <jszhang@kernel.org>

Looks good to me.

Reviewed-by: Anup Patel <anup@brainfault.org>

Regards,
Anup

> ---
>  arch/riscv/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 87d7b52f278f..9716be3674a2 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -28,6 +28,7 @@ config RISCV
>         select ARCH_HAS_SET_DIRECT_MAP
>         select ARCH_HAS_SET_MEMORY
>         select ARCH_HAS_STRICT_KERNEL_RWX if MMU
> +       select ARCH_HAS_STRICT_MODULE_RWX if MMU
>         select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
>         select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
>         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
> --
> 2.31.0
>
>
>
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