Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932139AbWHJTxH (ORCPT ); Thu, 10 Aug 2006 15:53:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932200AbWHJTvz (ORCPT ); Thu, 10 Aug 2006 15:51:55 -0400 Received: from mail.suse.de ([195.135.220.2]:24721 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S932674AbWHJThU (ORCPT ); Thu, 10 Aug 2006 15:37:20 -0400 From: Andi Kleen References: <20060810 935.775038000@suse.de> In-Reply-To: <20060810 935.775038000@suse.de> Subject: [PATCH for review] [120/145] i386/x86-64: Improve Kconfig description of CRASH_DUMP Message-Id: <20060810193719.52AE513B8E@wotan.suse.de> Date: Thu, 10 Aug 2006 21:37:19 +0200 (CEST) To: undisclosed-recipients:; Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2298 Lines: 58 r Improve Kconfig description of CONFIG_CRASH_DUMP. Previously it was too brief to be useful. Cc: vgoyal@in.ibm.com Cc: ebiederm@xmission.com Signed-off-by: Andi Kleen --- arch/i386/Kconfig | 7 +++++++ arch/x86_64/Kconfig | 9 ++++++++- 2 files changed, 15 insertions(+), 1 deletion(-) Index: linux/arch/i386/Kconfig =================================================================== --- linux.orig/arch/i386/Kconfig +++ linux/arch/i386/Kconfig @@ -759,6 +759,13 @@ config CRASH_DUMP depends on HIGHMEM help Generate crash dump after being started by kexec. + This should be normally only set in special crash dump kernels + which are loaded in the main kernel with kexec-tools into + a specially reserved region and then later executed after + a crash by kdump/kexec. The crash dump kernel must be compiled + to a memory address not used by the main kernel or BIOS using + PHYSICAL_START. + For more details see Documentation/kdump/kdump.txt config PHYSICAL_START hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) Index: linux/arch/x86_64/Kconfig =================================================================== --- linux.orig/arch/x86_64/Kconfig +++ linux/arch/x86_64/Kconfig @@ -484,7 +484,14 @@ config CRASH_DUMP bool "kernel crash dumps (EXPERIMENTAL)" depends on EXPERIMENTAL help - Generate crash dump after being started by kexec. + Generate crash dump after being started by kexec. + This should be normally only set in special crash dump kernels + which are loaded in the main kernel with kexec-tools into + a specially reserved region and then later executed after + a crash by kdump/kexec. The crash dump kernel must be compiled + to a memory address not used by the main kernel or BIOS using + PHYSICAL_START. + For more details see Documentation/kdump/kdump.txt config PHYSICAL_START hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/