From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A4D2C52D47 for ; Thu, 27 Feb 2020 13:58:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D39742073D for ; Thu, 27 Feb 2020 13:58:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582811911; bh=drBJqvVXhGgm+j/1747y+LCDb/VVWIamCFsugPT2Xrw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=iLM1VWUZheu4wlDxP9UfZxfRcWTPj4x46VL3Yy6Vndlbb4RHwa1UqFTVgW1IwrEXK Q0SnkKYFTvzzAN9kSwjs25S2ViSAMaTSX+827PqXoFYZUauu86meL8/vSE4Zr7rHss pwDURrHII6m9hBpDOoYET/tJBjAsWKtHmFjzlFrA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732468AbgB0N6a (ORCPT ); Thu, 27 Feb 2020 08:58:30 -0500 Received: from mail.kernel.org ([198.145.29.99]:59602 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732452AbgB0N6Z (ORCPT ); Thu, 27 Feb 2020 08:58:25 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 824AB20801; Thu, 27 Feb 2020 13:58:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582811904; bh=drBJqvVXhGgm+j/1747y+LCDb/VVWIamCFsugPT2Xrw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K8qfubBFZJL2NYH63ReNTKjb2zmVpZoE+d4pMSeNybVznKfHK5d74F8RwcwZ/H4jo Ur4MsODuK9hNzeC3/YzCM1mq+C9ChA9SNVSIgm5zC+KIB5jQwe4dUjepPn/3oCUPzC HtI4A4o1lcFDu0fiV76IRK0I5hOl9G3uvnPmU+2Y= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vincenzo Frascino , Russell King , Sasha Levin Subject: [PATCH 4.14 145/237] ARM: 8951/1: Fix Kexec compilation issue. Date: Thu, 27 Feb 2020 14:35:59 +0100 Message-Id: <20200227132307.295999828@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200227132255.285644406@linuxfoundation.org> References: <20200227132255.285644406@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vincenzo Frascino [ Upstream commit 76950f7162cad51d2200ebd22c620c14af38f718 ] To perform the reserve_crashkernel() operation kexec uses SECTION_SIZE to find a memblock in a range. SECTION_SIZE is not defined for nommu systems. Trying to compile kexec in these conditions results in a build error: linux/arch/arm/kernel/setup.c: In function ‘reserve_crashkernel’: linux/arch/arm/kernel/setup.c:1016:25: error: ‘SECTION_SIZE’ undeclared (first use in this function); did you mean ‘SECTIONS_WIDTH’? crash_size, SECTION_SIZE); ^~~~~~~~~~~~ SECTIONS_WIDTH linux/arch/arm/kernel/setup.c:1016:25: note: each undeclared identifier is reported only once for each function it appears in linux/scripts/Makefile.build:265: recipe for target 'arch/arm/kernel/setup.o' failed Make KEXEC depend on MMU to fix the compilation issue. Signed-off-by: Vincenzo Frascino Signed-off-by: Russell King Signed-off-by: Sasha Levin --- arch/arm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index ba9325fc75b85..7a8fbe9a077bb 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2005,7 +2005,7 @@ 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 -- 2.20.1