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

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Message-ID: <5d08390b-613a-516c-0091-0dc78fbc0ef8@huawei.com>
Date:   Thu, 14 May 2020 16:26:45 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Palmer Dabbelt <palmer@...belt.com>
CC:     Paul Walmsley <paul.walmsley@...ive.com>, <aou@...s.berkeley.edu>,
        <linux-riscv@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <hulkci@...wei.com>
Subject: Re: [PATCH 05/10] riscv: Disable ARCH_HAS_DEBUG_WX if NOMMU


On 2020/5/14 5:14, Palmer Dabbelt wrote:
> 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.
as said in cover letter, the patch is based on linux-next, tag 
next-20200508 :)
>
>