From patchwork Tue Nov 29 12:39:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Murzin X-Patchwork-Id: 9451977 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 9A18760710 for ; Tue, 29 Nov 2016 13:00:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8CB0E2832B for ; Tue, 29 Nov 2016 13:00:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 813F62832F; Tue, 29 Nov 2016 13:00:58 +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 2704C2832B for ; Tue, 29 Nov 2016 13:00:58 +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 1cBi0B-0003Ms-Q1; Tue, 29 Nov 2016 12:59:15 +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-0002nB-JH for linux-arm-kernel@lists.infradead.org; Tue, 29 Nov 2016 12:41:15 +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 580D216A3; Tue, 29 Nov 2016 04:40:35 -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 BB4CD3F318; Tue, 29 Nov 2016 04:40:34 -0800 (PST) From: Vladimir Murzin To: linux-arm-kernel@lists.infradead.org Subject: [RFC v2 PATCH 13/23] ARM: kexec: disallow kexec for NOMMU builds Date: Tue, 29 Nov 2016 12:39:55 +0000 Message-Id: <1480423205-48436-14-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_044111_980485_88353C69 X-CRM114-Status: UNSURE ( 7.63 ) 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 While building for NOMMU the following error shows up: kernel/built-in.o: In function `kimage_free_entry': memremap.c:(.text+0x4dafc): undefined reference to `arch_phys_to_idmap_offset' memremap.c:(.text+0x4db04): undefined reference to `arch_phys_to_idmap_offset' kernel/built-in.o: In function `kimage_alloc_page': memremap.c:(.text+0x4dbc0): undefined reference to `arch_phys_to_idmap_offset' memremap.c:(.text+0x4dbc8): undefined reference to `arch_phys_to_idmap_offset' memremap.c:(.text+0x4dc1c): undefined reference to `arch_phys_to_idmap_offset' That comes from Kexec, add dependency on MMU there. Cc: Russell King Signed-off-by: Vladimir Murzin --- arch/arm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index c462d9e..306a412 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2019,7 +2019,7 @@ config XIP_PHYS_ADDR config KEXEC bool "Kexec system call (EXPERIMENTAL)" depends on (!SMP || PM_SLEEP_SMP) - depends on !CPU_V7M + depends on MMU select KEXEC_CORE help kexec is a system call that implements the ability to shutdown your