linux-kernel - Re: [PATCH 05/10] riscv: Disable ARCH_HAS_DEBUG

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Message-ID: <mhng-f65a8b91-0836-4927-a39f-8167cd3ec67f@palmerdabbelt-glaptop1>
Date:   Wed, 13 May 2020 14:14:44 -0700 (PDT)
From:   Palmer Dabbelt <palmer@...belt.com>
To:     wangkefeng.wang@...wei.com
CC:     Paul Walmsley <paul.walmsley@...ive.com>, aou@...s.berkeley.edu,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        wangkefeng.wang@...wei.com, hulkci@...wei.com
Subject:     Re: [PATCH 05/10] riscv: Disable ARCH_HAS_DEBUG_WX if NOMMU

On Sun, 10 May 2020 19:19:56 PDT (-0700), wangkefeng.wang@...wei.com wrote:
> DEBUG_WX is only useful when MMU enabled, diable it if nommu
> and fix the build error.
>
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
> ---
>  arch/riscv/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
> index 78f30f2fdd51..7da0a36a8df0 100644
> --- a/arch/riscv/Kconfig
> +++ b/arch/riscv/Kconfig
> @@ -69,7 +69,7 @@ config RISCV
>  	select HAVE_ARCH_KASAN if MMU && 64BIT
>  	select HAVE_ARCH_KGDB
>  	select HAVE_ARCH_KGDB_QXFER_PKT
> -	select ARCH_HAS_DEBUG_WX
> +	select ARCH_HAS_DEBUG_WX if MMU
>
>  config ARCH_MMAP_RND_BITS_MIN
>  	default 18 if 64BIT

Looks like this depends on something that isn't in any of my trees yet.