From patchwork Fri Jan 15 17:30:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lakshmi Ramasubramanian X-Patchwork-Id: 1427273 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4DHVRm51DZz9sVn for ; Sat, 16 Jan 2021 05:43:00 +1100 (AEDT) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.a=rsa-sha256 header.s=default header.b=g1gOrpmH; dkim-atps=neutral Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4DHVRm3RVlzDvXb for ; Sat, 16 Jan 2021 05:43:00 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.microsoft.com (client-ip=13.77.154.182; helo=linux.microsoft.com; envelope-from=nramas@linux.microsoft.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.a=rsa-sha256 header.s=default header.b=g1gOrpmH; dkim-atps=neutral Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by lists.ozlabs.org (Postfix) with ESMTP id 4DHSr80rxLzDqDJ for ; Sat, 16 Jan 2021 04:30:25 +1100 (AEDT) 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 2DABC20B6C40; Fri, 15 Jan 2021 09:30:23 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 2DABC20B6C40 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1610731823; bh=wqW3xwsp9Cq77lvYiiXd1zv1yJERqbx7C93NSrMrSUg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=g1gOrpmHFl0EmbB7Z+7bReFZHAYoWUSHhH5VJVISvG+ioeDmuA6FMPsPkMQ1KC65j xn5cOFvQfpH1gC+5g2Gw0z2qUMu+Fj2P3AQRBFBIvU/UDwvfAeGIVK6ZXLVHxxzu76 exzT3gxLy4ioHZNgjfAkX49zWoMcKvkuBZvPOzVw= 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, catalin.marinas@arm.com, mpe@ellerman.id.au Subject: [PATCH v15 01/10] powerpc: Rename kexec elfcorehdr_addr to elf_headers_mem Date: Fri, 15 Jan 2021 09:30:08 -0800 Message-Id: <20210115173017.30617-2-nramas@linux.microsoft.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210115173017.30617-1-nramas@linux.microsoft.com> References: <20210115173017.30617-1-nramas@linux.microsoft.com> MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, bhsharma@redhat.com, tao.li@vivo.com, paulus@samba.org, vincenzo.frascino@arm.com, frowand.list@gmail.com, sashal@kernel.org, masahiroy@kernel.org, jmorris@namei.org, linux-arm-kernel@lists.infradead.org, serge@hallyn.com, devicetree@vger.kernel.org, pasha.tatashin@soleen.com, prsriva@linux.microsoft.com, hsinyi@chromium.org, allison@lohutok.net, christophe.leroy@c-s.fr, mbrugger@suse.com, balajib@linux.microsoft.com, dmitry.kasatkin@gmail.com, linux-kernel@vger.kernel.org, james.morse@arm.com, linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Rob Herring The architecture specific field, elfcorehdr_addr in struct kimage_arch, that holds the address of the buffer in memory for ELF core header for powerpc has a different name than the one used for arm64. This makes it hard to have a common code for setting up the device tree for kexec system call. Rename elfcorehdr_addr to elf_headers_mem to align with arm64 name so common code can use it. Signed-off-by: Rob Herring Reviewed-by: Thiago Jung Bauermann Reviewed-by: Lakshmi Ramasubramanian --- arch/powerpc/include/asm/kexec.h | 2 +- arch/powerpc/kexec/file_load.c | 4 ++-- arch/powerpc/kexec/file_load_64.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index 55d6ede30c19..dbf09d2f36d0 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -108,7 +108,7 @@ struct kimage_arch { unsigned long backup_start; void *backup_buf; - unsigned long elfcorehdr_addr; + unsigned long elf_headers_mem; unsigned long elf_headers_sz; void *elf_headers; diff --git a/arch/powerpc/kexec/file_load.c b/arch/powerpc/kexec/file_load.c index 9a232bc36c8f..e452b11df631 100644 --- a/arch/powerpc/kexec/file_load.c +++ b/arch/powerpc/kexec/file_load.c @@ -45,7 +45,7 @@ char *setup_kdump_cmdline(struct kimage *image, char *cmdline, return NULL; elfcorehdr_strlen = sprintf(cmdline_ptr, "elfcorehdr=0x%lx ", - image->arch.elfcorehdr_addr); + image->arch.elf_headers_mem); if (elfcorehdr_strlen + cmdline_len > COMMAND_LINE_SIZE) { pr_err("Appending elfcorehdr= exceeds cmdline size\n"); @@ -263,7 +263,7 @@ int setup_new_fdt(const struct kimage *image, void *fdt, * Avoid elfcorehdr from being stomped on in kdump kernel by * setting up memory reserve map. */ - ret = fdt_add_mem_rsv(fdt, image->arch.elfcorehdr_addr, + ret = fdt_add_mem_rsv(fdt, image->arch.elf_headers_mem, image->arch.elf_headers_sz); if (ret) { pr_err("Error reserving elfcorehdr memory: %s\n", diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c index c69bcf9b547a..a05c19b3cc60 100644 --- a/arch/powerpc/kexec/file_load_64.c +++ b/arch/powerpc/kexec/file_load_64.c @@ -815,7 +815,7 @@ static int load_elfcorehdr_segment(struct kimage *image, struct kexec_buf *kbuf) goto out; } - image->arch.elfcorehdr_addr = kbuf->mem; + image->arch.elf_headers_mem = kbuf->mem; image->arch.elf_headers_sz = headers_sz; image->arch.elf_headers = headers; out: @@ -851,7 +851,7 @@ int load_crashdump_segments_ppc64(struct kimage *image, return ret; } pr_debug("Loaded elf core header at 0x%lx, bufsz=0x%lx memsz=0x%lx\n", - image->arch.elfcorehdr_addr, kbuf->bufsz, kbuf->memsz); + image->arch.elf_headers_mem, kbuf->bufsz, kbuf->memsz); return 0; }