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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 35D67D58CBE for ; Mon, 23 Mar 2026 01:44:53 +0000 (UTC) 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:In-Reply-To:From:References:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lkmahLWQbd+t6ljjOfbe3uNAPak4s44a+AU062dXB6Q=; b=DaMwVu8SY6X2uY nEYqxlgjoI69zlSTShsSIs5kcvSTCH4PNiP7q3DrLovNyz1XTF31bg80V4FppjVeYT/6/S/YuiJVt /2iIsTMHfJuoq38jgfprBqytKpbtNM4BjtSjehmz/fSusNCzBf4gW44f1Yo0ZP2/OXt3Qk0QO+KZd xDzRWv/PslnhHNf6C2Temy0O+L9OulmSm6Dmg0sv0tMH4LaW11j9pXMX1jjCMNe9u2PeyoSI013JM rCs7zXFP2tl95zRIVfmdpXAGLy/u9SHLHOTZMUbQGsgtnuCvWsajeJRi18IS8HEMiz1oMIVVUliE9 YDNoKenKVWfZ1XKHwV1Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w4ULV-0000000FqtS-0Ii8; Mon, 23 Mar 2026 01:44:45 +0000 Received: from canpmsgout06.his.huawei.com ([113.46.200.221]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w4ULQ-0000000Fqsi-2fzA; Mon, 23 Mar 2026 01:44:42 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=pSMsxgVPNUNI/+qvUNa5KlapyBTF883qZfslgr8BRmc=; b=APNd9D7y2JNHp4D4QOOD++LuCQoXp2QHGLVpl/YYZBBISWJ4nCvGXpi11BSZy4k87VAZexJaK DmZQwZXpcskLul5yIs2ECY31UOgkgDmF+7RBLtrOpvZZtNV6++VEVf15kNxt/OZz+Dny78134bp B+Weax2Qis1460o5BUYRBJI= Received: from mail.maildlp.com (unknown [172.19.162.144]) by canpmsgout06.his.huawei.com (SkyGuard) with ESMTPS id 4ffG5q0HjQzRhRZ; Mon, 23 Mar 2026 09:38:23 +0800 (CST) Received: from dggpemf500011.china.huawei.com (unknown [7.185.36.131]) by mail.maildlp.com (Postfix) with ESMTPS id 3283840567; Mon, 23 Mar 2026 09:44:27 +0800 (CST) Received: from [10.67.109.254] (10.67.109.254) by dggpemf500011.china.huawei.com (7.185.36.131) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 23 Mar 2026 09:44:22 +0800 Message-ID: Date: Mon, 23 Mar 2026 09:44:21 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.2.0 Subject: Re: [PATCH v8 0/5] arm64/riscv: Add support for crashkernel CMA reservation Content-Language: en-US To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <20260302035315.3892241-1-ruanjinjie@huawei.com> From: Jinjie Ruan In-Reply-To: <20260302035315.3892241-1-ruanjinjie@huawei.com> X-Originating-IP: [10.67.109.254] X-ClientProxiedBy: kwepems200002.china.huawei.com (7.221.188.68) To dggpemf500011.china.huawei.com (7.185.36.131) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260322_184441_403209_C77CB856 X-CRM114-Status: GOOD ( 12.49 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org If there are no other review comments, I'd like to ask if this is ready to be merged. On 2026/3/2 11:53, Jinjie Ruan wrote: > The crash memory allocation, and the exclude of crashk_res, crashk_low_res > and crashk_cma memory are almost identical across different architectures, > This patch set handle them in crash core in a general way, which eliminate > a lot of duplication code. > > And add support for crashkernel CMA reservation for arm64 and riscv. > > Rebased on v7.0-rc1. > > Basic second kernel boot test were performed on QEMU platforms for x86, > ARM64, and RISC-V architectures with the following parameters: > > "cma=256M crashkernel=256M crashkernel=64M,cma" > > Changes in v8: > - Fix the build issues reported by kernel test robot and Sourabh. > - Link to v7: https://lore.kernel.org/all/20260226130437.1867658-1-ruanjinjie@huawei.com/ > > Changes in v7: > - Correct the inclusion of CMA-reserved ranges for kdump kernel in of/kexec > for arm64 and riscv. > - Add Acked-by. > - Link to v6: https://lore.kernel.org/all/20260224085342.387996-1-ruanjinjie@huawei.com/ > > Changes in v6: > - Update the crash core exclude code as Mike suggested. > - Rebased on v7.0-rc1. > - Add acked-by. > - Link to v5: https://lore.kernel.org/all/20260212101001.343158-1-ruanjinjie@huawei.com/ > > Changes in v5: > - Fix the kernel test robot build warnings. > - Sort crash memory ranges before preparing elfcorehdr for powerpc > - Link to v4: https://lore.kernel.org/all/20260209095931.2813152-1-ruanjinjie@huawei.com/ > > Changes in v4: > - Move the size calculation (and the realloc if needed) into the > generic crash. > - Link to v3: https://lore.kernel.org/all/20260204093728.1447527-1-ruanjinjie@huawei.com/ > > Jinjie Ruan (4): > crash: Exclude crash kernel memory in crash core > crash: Use crash_exclude_core_ranges() on powerpc > arm64: kexec: Add support for crashkernel CMA reservation > riscv: kexec: Add support for crashkernel CMA reservation > > Sourabh Jain (1): > powerpc/crash: sort crash memory ranges before preparing elfcorehdr > > .../admin-guide/kernel-parameters.txt | 16 +-- > arch/arm64/kernel/machine_kexec_file.c | 39 +++---- > arch/arm64/mm/init.c | 5 +- > arch/loongarch/kernel/machine_kexec_file.c | 39 +++---- > arch/powerpc/include/asm/kexec_ranges.h | 1 - > arch/powerpc/kexec/crash.c | 5 +- > arch/powerpc/kexec/ranges.c | 101 +----------------- > arch/riscv/kernel/machine_kexec_file.c | 38 +++---- > arch/riscv/mm/init.c | 5 +- > arch/x86/kernel/crash.c | 89 +++------------ > drivers/of/fdt.c | 9 +- > drivers/of/kexec.c | 9 ++ > include/linux/crash_core.h | 9 ++ > kernel/crash_core.c | 89 ++++++++++++++- > 14 files changed, 178 insertions(+), 276 deletions(-) > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv