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From: ebiederm@xmission.com (Eric W. Biederman)
To: Itsuro Oda <oda@valinux.co.jp>
Cc: Vivek Goyal <vgoyal@in.ibm.com>, Andrew Morton <akpm@osdl.org>,
	fastboot <fastboot@lists.osdl.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Maneesh Soni <maneesh@in.ibm.com>,
	Hariprasad Nellitheertha <hari@in.ibm.com>,
	suparna bhattacharya <suparna@in.ibm.com>
Subject: Re: [Fastboot] [PATCH] Reserving backup region for kexec based crashdumps.
Date: 02 Feb 2005 07:26:06 -0700	[thread overview]
Message-ID: <m1pszj9gxt.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <20050202154926.18D4.ODA@valinux.co.jp>

Itsuro Oda <oda@valinux.co.jp> writes:

> Hi,
> 
> I can't understand why ELF format is necessary.

ELF format is not.  However essentially the information an ELF
provides is.  So using an ELF header to convey that information
is a sane choice of data structure.
 
> I think the only necessary information is "what physical address 
> regions are valid to read". This information is necessary for any
> sort of dump tools. (and must get it while the system is normal.)
> The Eric's /proc/cpumem idea sounds nice to me. 

Patches welcome.

Eric


  parent reply	other threads:[~2005-02-02 14:28 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-19  7:31 [PATCH 0/29] overview Eric W. Biederman
2005-01-19  7:31 ` [PATCH 1/29] x86-rename-apic_mode_exint Eric W. Biederman
2005-01-19  7:31   ` [PATCH 2/29] x86-local-apic-fix Eric W. Biederman
2005-01-19  7:31     ` [PATCH 3/29] x86_64-e820-64bit Eric W. Biederman
2005-01-19  7:31       ` [PATCH 4/29] x86-i8259-shutdown Eric W. Biederman
2005-01-19  7:31         ` [PATCH 5/29] x86_64-i8259-shutdown Eric W. Biederman
2005-01-19  7:31           ` [PATCH 6/29] x86-apic-virtwire-on-shutdown Eric W. Biederman
2005-01-19  7:31             ` [PATCH 7/29] x86_64-apic-virtwire-on-shutdown Eric W. Biederman
2005-01-19  7:31               ` [PATCH 8/29] vmlinux-fix-physical-addrs Eric W. Biederman
2005-01-19  7:31                 ` [PATCH 9/29] x86-vmlinux-fix-physical-addrs Eric W. Biederman
2005-01-19  7:31                   ` [PATCH 10/29] x86_64-vmlinux-fix-physical-addrs Eric W. Biederman
2005-01-19  7:31                     ` [PATCH 11/29] x86_64-entry64 Eric W. Biederman
2005-01-19  7:31                       ` [PATCH 12/29] x86-config-kernel-start Eric W. Biederman
2005-01-19  7:31                         ` [PATCH 13/29] x86_64-config-kernel-start Eric W. Biederman
2005-01-19  7:31                           ` [PATCH 14/29] kexec-kexec-generic Eric W. Biederman
2005-01-19  7:31                             ` [PATCH 15/29] x86-machine_shutdown Eric W. Biederman
2005-01-19  7:31                               ` [PATCH 16/29] x86-kexec Eric W. Biederman
2005-01-19  7:31                                 ` [PATCH 17/29] x86-crashkernel Eric W. Biederman
2005-01-19  7:31                                   ` [PATCH 18/29] x86_64-machine_shutdown Eric W. Biederman
2005-01-19  7:31                                     ` [PATCH 19/29] x86_64-kexec Eric W. Biederman
2005-01-19  7:31                                       ` [PATCH 20/29] x86_64-crashkernel Eric W. Biederman
2005-01-19  7:31                                         ` [PATCH 21/29] kexec-ppc-support Eric W. Biederman
2005-01-19  7:31                                           ` [PATCH 22/29] x86-crash_shutdown-nmi-shootdown Eric W. Biederman
2005-01-19  7:31                                             ` [PATCH 23/29] x86-crash_shutdown-snapshot-registers Eric W. Biederman
2005-01-19  7:31                                               ` [PATCH 24/29] x86-crash_shutdown-apic-shutdown Eric W. Biederman
2005-01-19  7:31                                                 ` [PATCH 25/29] crashdump-documentation Eric W. Biederman
2005-01-19  7:31                                                   ` [PATCH 26/29] crashdump-memory-preserving-reboot-using-kexec Eric W. Biederman
2005-01-19  7:31                                                     ` [PATCH 27/29] crashdump-routines-for-copying-dump-pages Eric W. Biederman
2005-01-19  7:31                                                       ` [PATCH 28/29] crashdump-elf-format-dump-file-access Eric W. Biederman
2005-01-19  7:31                                                         ` [PATCH 29/29] crashdump-linear-raw-format-dump-file-access Eric W. Biederman
2005-01-19 12:25                                       ` [PATCH 19/29] x86_64-kexec Andi Kleen
2005-01-20 15:50                                       ` Adrian Bunk
2005-01-20 18:06                                         ` [Fastboot] " Eric W. Biederman
2005-01-19 12:10                                 ` [PATCH 16/29] x86-kexec Hariprasad Nellitheertha
2005-01-19 18:17                                   ` [Fastboot] " Eric W. Biederman
2005-01-25  3:54             ` [PATCH 6/29] x86-apic-virtwire-on-shutdown Len Brown
2005-01-25  6:39               ` Eric W. Biederman
2005-01-25  7:36                 ` Len Brown
2005-01-25  9:11                   ` Eric W. Biederman
2005-01-25  3:32         ` [PATCH 4/29] x86-i8259-shutdown Len Brown
2005-01-25  3:59           ` Dave Jones
2005-01-25  6:30             ` Eric W. Biederman
2005-01-25  8:35             ` Eric W. Biederman
2005-01-25  9:43               ` Barry K. Nathan
2005-01-25 10:14                 ` Eric W. Biederman
2005-01-25 10:49                   ` Barry K. Nathan
2005-01-25 11:40                     ` Eric W. Biederman
2005-01-25 20:57                       ` Barry K. Nathan
2005-01-25 12:12                     ` Eric W. Biederman
2005-01-25 22:02                       ` Barry K. Nathan
2005-01-25 22:12                         ` Eric W. Biederman
2005-01-26 13:27                           ` Sytse Wielinga
2005-01-26 14:06                             ` Eric W. Biederman
2005-01-26 14:43                               ` Sytse Wielinga
2005-01-26 15:12                                 ` Eric W. Biederman
2005-01-26 22:58                                   ` Barry K. Nathan
2005-01-21  7:55 ` [PATCH] Reserving backup region for kexec based crashdumps Vivek Goyal
2005-01-21  7:54   ` [Fastboot] " Eric W. Biederman
2005-01-21 10:57     ` Vivek Goyal
2005-01-21 11:13       ` Eric W. Biederman
2005-01-23 10:14         ` Vivek Goyal
2005-01-26 17:21           ` Eric W. Biederman
2005-01-26 19:15             ` Andrew Morton
2005-01-27 13:45             ` Vivek Goyal
2005-01-27 20:45               ` Eric W. Biederman
2005-01-28 13:06                 ` Vivek Goyal
2005-01-28 20:29                   ` Eric W. Biederman
2005-02-01 15:17                     ` Vivek Goyal
2005-02-01 15:26                       ` Eric W. Biederman
2005-02-02  7:10                         ` Itsuro Oda
2005-02-02  7:49                           ` Koichi Suzuki
2005-02-02 15:24                             ` Eric W. Biederman
2005-02-03  7:28                               ` Itsuro Oda
2005-02-03  9:00                                 ` Eric W. Biederman
2005-02-03 23:18                                   ` Itsuro Oda
2005-02-04  0:41                                     ` Eric W. Biederman
2005-02-04  1:07                                     ` Itsuro Oda
2005-02-16  8:49                                   ` [PATCH] /proc/cpumem Itsuro Oda
2005-02-16 13:58                                     ` Eric W. Biederman
2005-02-17  0:43                                       ` Itsuro Oda
2005-02-17  9:55                                         ` [Fastboot] " Eric W. Biederman
2005-02-18  6:17                                           ` Itsuro Oda
2005-02-18  7:22                                             ` Eric W. Biederman
2005-02-17  0:17                                     ` YAMAMOTO Takashi
2005-02-17  5:58                                     ` [Fastboot] " Vivek Goyal
2005-02-17  6:18                                       ` Itsuro Oda
2005-02-17 18:18                                     ` Dave Jones
2005-02-17 19:46                                       ` [Fastboot] " Eric W. Biederman
2005-02-02 14:26                           ` Eric W. Biederman [this message]
2005-02-02 10:07                         ` [Fastboot] [PATCH] Reserving backup region for kexec based crashdumps Vivek Goyal
2005-02-02 15:42                           ` Eric W. Biederman
2005-02-03 14:47                             ` Vivek Goyal
2005-02-01  8:04                 ` Koichi Suzuki
2005-02-01  9:06                   ` Eric W. Biederman
2005-02-02  7:42                     ` Itsuro Oda
2005-02-02 14:45                       ` Eric W. Biederman
2005-02-04  0:23                         ` Itsuro Oda
2005-02-04  1:55                           ` Eric W. Biederman
2005-02-02  9:08                     ` Koichi Suzuki
2005-02-02 14:31                       ` Eric W. Biederman
2005-02-03  7:02               ` Hirokazu Takahashi
2005-02-03  9:01                 ` Vivek Goyal
2005-02-03  9:37                   ` Hirokazu Takahashi
2005-02-03 10:07                     ` Eric W. Biederman
2005-02-03  9:13                 ` Eric W. Biederman
2005-02-03 10:10                   ` Hirokazu Takahashi
2005-02-03 10:39                     ` Eric W. Biederman
2005-02-04 10:05                       ` Hirokazu Takahashi
2005-02-04 11:17                         ` Eric W. Biederman
2005-02-04 12:02                           ` Eric W. Biederman

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