From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934883AbeE2N74 (ORCPT ); Tue, 29 May 2018 09:59:56 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:40643 "EHLO huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S934533AbeE2N7u (ORCPT ); Tue, 29 May 2018 09:59:50 -0400 From: nixiaoming To: , , , , , , , , , , , , , , , , , , , CC: , , , , Subject: [PATCH 1/3] arm64:add missing CONFIG_STRICT_KERNEL_RWX for mark_rodata_ro Date: Tue, 29 May 2018 21:36:15 +0800 Message-ID: <20180529133615.26889-1-nixiaoming@huawei.com> X-Mailer: git-send-email 2.10.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.189.174] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Signed-off-by: nixiaoming --- arch/arm64/mm/mmu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c index 2dbb2c9..849f326 100644 --- a/arch/arm64/mm/mmu.c +++ b/arch/arm64/mm/mmu.c @@ -491,6 +491,7 @@ static void __init map_mem(pgd_t *pgdp) #endif } +#ifdef CONFIG_STRICT_KERNEL_RWX void mark_rodata_ro(void) { unsigned long section_size; @@ -505,6 +506,7 @@ void mark_rodata_ro(void) debug_checkwx(); } +#endif static void __init map_kernel_segment(pgd_t *pgdp, void *va_start, void *va_end, pgprot_t prot, struct vm_struct *vma, -- 2.10.1