From nobody Mon Apr 13 10:36:53 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DEBE4C19F28 for ; Wed, 3 Aug 2022 15:12:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237916AbiHCPMs (ORCPT ); Wed, 3 Aug 2022 11:12:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237915AbiHCPMq (ORCPT ); Wed, 3 Aug 2022 11:12:46 -0400 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A0503A4AF for ; Wed, 3 Aug 2022 08:12:45 -0700 (PDT) Received: by mail-pg1-x52a.google.com with SMTP id s206so15385920pgs.3 for ; Wed, 03 Aug 2022 08:12:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc; bh=dxKpudtpM9c04gsBALLT5GNJ4ez+VeuhMNxM61Y7Zys=; b=TlUkKbkwpzJsUZQMWGVpPpZ+n5EKDY68Z5Q48koM0MZ/0s82onEnukdVx8O037K9O4 tPFkAD159kuoDvC0yngRjF0POp9zlUTXGgFOCHt8Gd7dvduyBaiyx2Hj7D0LWsVp0pkt hApAo7lBEXQda8i1Ed4XJBy6d13ZneFaijFw7ZW15sp5UnsX+6Xwrr7EGxvEo7Bc/k3i zvIn6tapOBjYzmqxjlj7XkQiqBaAqM55kMdtB3u9Hbvyh75X8Uxs4Fm9T4Be/QqfMrLk 1ex5bWBzzp+9iTi4NLuio/uUjE45ou1ye/hUEcXH9x3KvZiHnDBiBdwvDWIrc5RehhxU MqSQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc; bh=dxKpudtpM9c04gsBALLT5GNJ4ez+VeuhMNxM61Y7Zys=; b=BJR6rSJ1C/6m09lzmVLlMzLSJggUjRfV3axVWHtS1vVP3WvdEzzUosj4nWwxPiO8nB 7NRuO8j6m3MKMqlHeN+H9du9x4KrtlidIHchbQLSPZuIQZRFWjtOdlPc2yjN0YcCo+Kc tr+FHfHUA5TXezG0OZ1sAHZW+/1tCr6rTUCNXEoLn7UEhKrcBAPsQAhSMdtZJxGXEp4P DdYSqp5ko9Xs1iylu5mPesTDGafkakLKbk3aN4ckqHQ8kCCo1LjneZm/AIyghUoU4ky6 aWpDjBQ2M2uYNtbt8FAg6gKA3PVCn4wD/nv3Ii8U6Ny26T7dt6h6unhBZMoogGoaqSLH +fYg== X-Gm-Message-State: AJIora8aB7GhcEefKV+49VlYZJynLcfo5XKXmN70aQgMEm+Ac9qBg0w1 8KfFEv4n181cGLV1GP4M61o= X-Google-Smtp-Source: AGRyM1uUuXwBDm/bVaj3vqKbwti9dLWNE6+XW69yeoBDMEc2GahmO9mpjYWsUtcGHrUjpMDSy7aMDg== X-Received: by 2002:a63:d5:0:b0:41a:58f:929e with SMTP id 204-20020a6300d5000000b0041a058f929emr21171472pga.260.1659539564401; Wed, 03 Aug 2022 08:12:44 -0700 (PDT) Received: from localhost.localdomain ([211.226.85.205]) by smtp.gmail.com with ESMTPSA id mn19-20020a17090b189300b001f4f40763b1sm1750325pjb.29.2022.08.03.08.12.42 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 03 Aug 2022 08:12:44 -0700 (PDT) From: Levi Yun To: catalin.marinas@arm.com, will@kernel.org, chenzhou10@huawei.com, nramas@linux.microsoft.com, thunder.leizhen@huawei.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Levi Yun Subject: [PATCH] arm64/kexec: Fix missing extra range for crashkres_low. Date: Thu, 4 Aug 2022 00:12:17 +0900 Message-Id: <20220803151217.75962-1-ppbuk5246@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Like crashk_res, Calling crash_exclude_mem_range function with crashk_low_res area would need extra crash_mem range too. Add one extra crash_mem range when crashk_low_res is used. Signed-off-by: Levi Yun --- arch/arm64/kernel/machine_kexec_file.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/mac= hine_kexec_file.c index 889951291cc0..378aee04e7d4 100644 --- a/arch/arm64/kernel/machine_kexec_file.c +++ b/arch/arm64/kernel/machine_kexec_file.c @@ -51,6 +51,9 @@ static int prepare_elf_headers(void **addr, unsigned long= *sz) for_each_mem_range(i, &start, &end) nr_ranges++; + if (crashk_low_res.end) + nr_ranges++; /**< for exclusion of crashkernel=3Dsize,low region */ + cmem =3D kmalloc(struct_size(cmem, ranges, nr_ranges), GFP_KERNEL); if (!cmem) return -ENOMEM; -- 2.35.1