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Date:   Tue, 29 May 2018 16:45:24 +0100
From:   Will Deacon <will.deacon@arm.com>
To:     nixiaoming <nixiaoming@huawei.com>
Cc:     catalin.marinas@arm.com, ard.biesheuvel@linaro.org,
        marc.zyngier@arm.com, james.morse@arm.com,
        kristina.martsenko@arm.com, steve.capper@arm.com,
        tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
        akpm@linux-foundation.org, vbabka@suse.cz, mhocko@suse.com,
        dave.hansen@linux.intel.com, dan.j.williams@intel.com,
        kirill.shutemov@linux.intel.com, zhang.jia@linux.alibaba.com,
        schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com,
        gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, x86@kernel.org,
        linux-s390@vger.kernel.org
Subject: Re: [PATCH 1/3] arm64:add missing CONFIG_STRICT_KERNEL_RWX for
 mark_rodata_ro
Message-ID: <20180529154523.GK17159@arm.com>
References: <20180529133615.26889-1-nixiaoming@huawei.com>
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On Tue, May 29, 2018 at 09:36:15PM +0800, nixiaoming wrote:
> mark_rodata_ro is only called by the function mark_readonly when
> CONFIG_STRICT_KERNEL_RWX=y,
> if CONFIG_STRICT_KERNEL_RWX is not set
> a compile warning may be triggered: unused function

How are you achieving this configuration? In our Kconfig we select this
unconditionally.

Will