From patchwork Sun Feb 21 17:49:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lakshmi Ramasubramanian X-Patchwork-Id: 12097519 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=-26.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable 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 E2C2AC433E9 for ; Sun, 21 Feb 2021 17:50:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C1A4E64DEC for ; Sun, 21 Feb 2021 17:50:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230148AbhBURuW (ORCPT ); Sun, 21 Feb 2021 12:50:22 -0500 Received: from linux.microsoft.com ([13.77.154.182]:45190 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230062AbhBURuU (ORCPT ); Sun, 21 Feb 2021 12:50:20 -0500 Received: from localhost.localdomain (c-73-42-176-67.hsd1.wa.comcast.net [73.42.176.67]) by linux.microsoft.com (Postfix) with ESMTPSA id 87CB820B57A1; Sun, 21 Feb 2021 09:49:38 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 87CB820B57A1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1613929779; bh=qa+NJP4aqiYfDfVBgbCgEyvzbYLV5ECOdj7x4WIL6oA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G/d7RTcg/ory144srJ3zFNOHdVnpVuPjh+/Fz/2/AJljEm7AI8MwD+CZUPeLtWz/b 6sr1vAA3A1WwA9W1r/hTAIEQUzR15aasFMemQzfHnyseqeXrdhY8MfukrJnrAZXnp4 EcXVwjlzwkOxnjftqRPQTp6FxkBX1bs0I271mpmM= From: Lakshmi Ramasubramanian To: zohar@linux.ibm.com, bauerman@linux.ibm.com, robh@kernel.org, takahiro.akashi@linaro.org, gregkh@linuxfoundation.org, will@kernel.org, joe@perches.com, catalin.marinas@arm.com, mpe@ellerman.id.au, sfr@canb.auug.org.au Cc: james.morse@arm.com, sashal@kernel.org, benh@kernel.crashing.org, paulus@samba.org, frowand.list@gmail.com, vincenzo.frascino@arm.com, mark.rutland@arm.com, dmitry.kasatkin@gmail.com, jmorris@namei.org, serge@hallyn.com, pasha.tatashin@soleen.com, allison@lohutok.net, masahiroy@kernel.org, mbrugger@suse.com, hsinyi@chromium.org, tao.li@vivo.com, christophe.leroy@c-s.fr, prsriva@linux.microsoft.com, balajib@linux.microsoft.com, linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v19 04/13] x86: Use ELF fields defined in 'struct kimage' Date: Sun, 21 Feb 2021 09:49:21 -0800 Message-Id: <20210221174930.27324-5-nramas@linux.microsoft.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210221174930.27324-1-nramas@linux.microsoft.com> References: <20210221174930.27324-1-nramas@linux.microsoft.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org ELF related fields elf_headers, elf_headers_sz, and elf_load_addr have been moved from 'struct kimage_arch' to 'struct kimage'. Use the ELF fields defined in 'struct kimage'. Signed-off-by: Lakshmi Ramasubramanian Suggested-by: Rob Herring Fixes: 33488dc4d61f ("of: Add a common kexec FDT setup function") Reported-by: kernel test robot Reviewed-by: Thiago Jung Bauermann Reviewed-by: Thiago Jung Bauermann --- arch/x86/include/asm/kexec.h | 5 ----- arch/x86/kernel/crash.c | 14 +++++++------- arch/x86/kernel/kexec-bzimage64.c | 2 +- arch/x86/kernel/machine_kexec_64.c | 4 ++-- 4 files changed, 10 insertions(+), 15 deletions(-) diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h index 6802c59e8252..0a6e34b07017 100644 --- a/arch/x86/include/asm/kexec.h +++ b/arch/x86/include/asm/kexec.h @@ -150,11 +150,6 @@ struct kimage_arch { pud_t *pud; pmd_t *pmd; pte_t *pte; - - /* Core ELF header buffer */ - void *elf_headers; - unsigned long elf_headers_sz; - unsigned long elf_load_addr; }; #endif /* CONFIG_X86_32 */ diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index a8f3af257e26..9d0722fb8842 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -323,8 +323,8 @@ static int memmap_exclude_ranges(struct kimage *image, struct crash_mem *cmem, cmem->nr_ranges = 1; /* Exclude elf header region */ - start = image->arch.elf_load_addr; - end = start + image->arch.elf_headers_sz - 1; + start = image->elf_load_addr; + end = start + image->elf_headers_sz - 1; return crash_exclude_mem_range(cmem, start, end); } @@ -407,20 +407,20 @@ int crash_load_segments(struct kimage *image) if (ret) return ret; - image->arch.elf_headers = kbuf.buffer; - image->arch.elf_headers_sz = kbuf.bufsz; + image->elf_headers = kbuf.buffer; + image->elf_headers_sz = kbuf.bufsz; kbuf.memsz = kbuf.bufsz; kbuf.buf_align = ELF_CORE_HEADER_ALIGN; kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; ret = kexec_add_buffer(&kbuf); if (ret) { - vfree((void *)image->arch.elf_headers); + vfree((void *)image->elf_headers); return ret; } - image->arch.elf_load_addr = kbuf.mem; + image->elf_load_addr = kbuf.mem; pr_debug("Loaded ELF headers at 0x%lx bufsz=0x%lx memsz=0x%lx\n", - image->arch.elf_load_addr, kbuf.bufsz, kbuf.bufsz); + image->elf_load_addr, kbuf.bufsz, kbuf.bufsz); return ret; } diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c index ce831f9448e7..170d0fd68b1f 100644 --- a/arch/x86/kernel/kexec-bzimage64.c +++ b/arch/x86/kernel/kexec-bzimage64.c @@ -75,7 +75,7 @@ static int setup_cmdline(struct kimage *image, struct boot_params *params, if (image->type == KEXEC_TYPE_CRASH) { len = sprintf(cmdline_ptr, - "elfcorehdr=0x%lx ", image->arch.elf_load_addr); + "elfcorehdr=0x%lx ", image->elf_load_addr); } memcpy(cmdline_ptr + len, cmdline, cmdline_len); cmdline_len += len; diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c index a29a44a98e5b..055c18a6f7bf 100644 --- a/arch/x86/kernel/machine_kexec_64.c +++ b/arch/x86/kernel/machine_kexec_64.c @@ -402,8 +402,8 @@ void machine_kexec(struct kimage *image) #ifdef CONFIG_KEXEC_FILE void *arch_kexec_kernel_image_load(struct kimage *image) { - vfree(image->arch.elf_headers); - image->arch.elf_headers = NULL; + vfree(image->elf_headers); + image->elf_headers = NULL; if (!image->fops || !image->fops->load) return ERR_PTR(-ENOEXEC);