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=-17.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 946EAC4338F for ; Wed, 11 Aug 2021 09:23:51 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 59A796056C for ; Wed, 11 Aug 2021 09:23:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 59A796056C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=glider.be Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Mn2+rAAaO0HxY5zutwch4+SKTeJcvI789ZdtfVUKMuQ=; b=1tC6e/BTnNjwsl +bsJGfffIoh7C8zsvpcF/dNW4ZnNsM1f1ELmnsCGpM++O29fNi+O/NZDTW9raRar5gBlhCegXvJjX 7takWPX8QzIZ/RasLSEGfDV6BSQC/5mJMjVGMINNNqKY1fybMGzS2+t5hRz8h1lD5a1RukhdhN336 1eveSGbmnKdcYtGa+0N2llYgMho7PxAVfYjWOr4NWbpKCLJmEmgUrZkeXmMTysQ+oe/srmpds6sMu VSRL4sJyVBa5uEzs5MrsMPtTqNUnUVDE9EjVRNp2+XOYe1opWncCuf+kEPddsd9qDCpO6UAxfWtWt R33fP8lbN+QY3UcAT/cQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mDkQb-006GMR-OX; Wed, 11 Aug 2021 09:21:38 +0000 Received: from michel.telenet-ops.be ([2a02:1800:110:4::f00:18]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mDjxY-0067XF-RO for linux-arm-kernel@lists.infradead.org; Wed, 11 Aug 2021 08:51:45 +0000 Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed20:438:1ff1:1071:f524]) by michel.telenet-ops.be with bizsmtp id g8rG2500K1gJxCh068rGhQ; Wed, 11 Aug 2021 10:51:33 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.93) (envelope-from ) id 1mDjxE-001yaC-Cn; Wed, 11 Aug 2021 10:51:16 +0200 Received: from geert by rox.of.borg with local (Exim 4.93) (envelope-from ) id 1mDjxD-0058wl-9O; Wed, 11 Aug 2021 10:51:15 +0200 From: Geert Uytterhoeven To: Rob Herring , Russell King , Nicolas Pitre , Ard Biesheuvel , Linus Walleij , Catalin Marinas , Will Deacon , Thomas Bogendoerfer , Nick Kossifidis , Paul Walmsley , Palmer Dabbelt , Albert Ou , Frank Rowand , Dave Young Cc: Baoquan He , Vivek Goyal , Mike Rapoport , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, kexec@lists.infradead.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v5 1/9] MIPS: Avoid future duplicate elf core header reservation Date: Wed, 11 Aug 2021 10:50:59 +0200 Message-Id: <92b6718f5618d5469f67b48fbea189cca0c12f4b.1628670468.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210811_015137_146942_125C859D X-CRM114-Status: GOOD ( 12.25 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Prepare for early_init_fdt_scan_reserved_mem() reserving the memory occupied by an elf core header described in the device tree. As arch_mem_init() calls early_init_fdt_scan_reserved_mem() before mips_reserve_vmcore(), the latter needs to check if the memory has already been reserved before. Note that mips_reserve_vmcore() cannot just be removed, as not all MIPS systems use DT. Signed-off-by: Geert Uytterhoeven --- v5: - New. --- arch/mips/kernel/setup.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 23a140327a0bac1b..4693add05743d78b 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -429,7 +429,8 @@ static void __init mips_reserve_vmcore(void) pr_info("Reserving %ldKB of memory at %ldKB for kdump\n", (unsigned long)elfcorehdr_size >> 10, (unsigned long)elfcorehdr_addr >> 10); - memblock_reserve(elfcorehdr_addr, elfcorehdr_size); + if (!memblock_is_region_reserved(elfcorehdr_addr, elfcorehdr_size) + memblock_reserve(elfcorehdr_addr, elfcorehdr_size); #endif } -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel