From patchwork Tue Nov 29 12:39:43 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Murzin X-Patchwork-Id: 9451901 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 565516071C for ; Tue, 29 Nov 2016 12:42:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4F6A027F8F for ; Tue, 29 Nov 2016 12:42:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 443ED28324; Tue, 29 Nov 2016 12:42:57 +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 06D4A27F8F for ; Tue, 29 Nov 2016 12:42:57 +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 1cBhj2-0002ze-N4; Tue, 29 Nov 2016 12:41:32 +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 1cBhiH-0002fN-5W for linux-arm-kernel@lists.infradead.org; Tue, 29 Nov 2016 12:40:47 +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 630E3C14; Tue, 29 Nov 2016 04:40:25 -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 C70A43F318; Tue, 29 Nov 2016 04:40:24 -0800 (PST) From: Vladimir Murzin To: linux-arm-kernel@lists.infradead.org Subject: [RFC v2 PATCH 01/23] ARM: NOMMU: define stubs for fixup Date: Tue, 29 Nov 2016 12:39:43 +0000 Message-Id: <1480423205-48436-2-git-send-email-vladimir.murzin@arm.com> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1480423205-48436-1-git-send-email-vladimir.murzin@arm.com> References: <1480423205-48436-1-git-send-email-vladimir.murzin@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161129_044045_310717_4920CC43 X-CRM114-Status: UNSURE ( 5.68 ) 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 up: 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