From patchwork Tue Nov 22 09:25:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Murzin X-Patchwork-Id: 9440661 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 450E2600BA for ; Tue, 22 Nov 2016 09:29:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2335C27F54 for ; Tue, 22 Nov 2016 09:29:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 14DED27FB3; Tue, 22 Nov 2016 09:29:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9632327F54 for ; Tue, 22 Nov 2016 09:29:42 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1c97NE-0006oR-80; Tue, 22 Nov 2016 09:28:20 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1c97ME-00069N-Lq for linux-arm-kernel@lists.infradead.org; Tue, 22 Nov 2016 09:27:21 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 62E461515; Tue, 22 Nov 2016 01:26:58 -0800 (PST) Received: from login2.euhpc.arm.com (login2.euhpc.arm.com [10.6.26.144]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id C64803F483; Tue, 22 Nov 2016 01:26:57 -0800 (PST) From: Vladimir Murzin To: linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH 01/11] ARM: NOMMU: define stubs for fixup Date: Tue, 22 Nov 2016 09:25:58 +0000 Message-Id: <1479806768-39911-2-git-send-email-vladimir.murzin@arm.com> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1479806768-39911-1-git-send-email-vladimir.murzin@arm.com> References: <1479806768-39911-1-git-send-email-vladimir.murzin@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161122_012718_868171_45AD360C X-CRM114-Status: UNSURE ( 5.28 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Russell King , arnd@arndb.de MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP When build for NOMMU following errors show ups: arch/arm/kernel/patch.c: In function 'patch_map': arch/arm/kernel/patch.c:39:2: error: implicit declaration of function 'set_fixmap' [-Werror=implicit-function-declaration] set_fixmap(fixmap, page_to_phys(page)); ^ arch/arm/kernel/patch.c:41:2: error: implicit declaration of function '__fix_to_virt' [-Werror=implicit-function-declaration] return (void *) (__fix_to_virt(fixmap) + (uintaddr & ~PAGE_MASK)); ^ arch/arm/kernel/patch.c: In function 'patch_unmap': arch/arm/kernel/patch.c:47:2: error: implicit declaration of function 'clear_fixmap' [-Werror=implicit-function-declaration] clear_fixmap(fixmap); ^ cc1: some warnings being treated as errors Fixup does not make much sense in NOMMU configurations, so provide stub definitions. Cc: Russell King Signed-off-by: Vladimir Murzin --- arch/arm/include/asm/fixmap.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/arm/include/asm/fixmap.h b/arch/arm/include/asm/fixmap.h index 5c17d2d..0bfc2e3 100644 --- a/arch/arm/include/asm/fixmap.h +++ b/arch/arm/include/asm/fixmap.h @@ -59,6 +59,12 @@ enum fixed_addresses { #else +#define set_fixmap(idx, phys) +#define clear_fixmap(idx) + +#define __fix_to_virt(x) (x) +#define __virt_to_fix(x) (x) + static inline void early_fixmap_init(void) { } #endif