From: Vivek Goyal <vgoyal@redhat.com>
To: linux kernel mailing list <linux-kernel@vger.kernel.org>,
Kexec Mailing List <kexec@lists.infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
Greg KH <greg@kroah.com>
Cc: "Ken'ichi Ohmichi" <oomichi@mxs.nes.nec.co.jp>
Subject: [PATCH] Add /sys/kernel/vmcoreinfo ABI documentation
Date: Wed, 15 Jan 2014 11:34:27 -0500 [thread overview]
Message-ID: <20140115163427.GA3180@redhat.com> (raw)
/sys/kernel/vmcoreinfo was introduced long back but there is no ABI
documentation. This patch adds the documentation.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
---
Documentation/ABI/testing/sysfs-kernel-vmcoreinfo | 14 ++++++++++++++
1 file changed, 14 insertions(+)
Index: linux-2.6/Documentation/ABI/testing/sysfs-kernel-vmcoreinfo
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6/Documentation/ABI/testing/sysfs-kernel-vmcoreinfo 2014-01-15 11:30:22.402206445 -0500
@@ -0,0 +1,14 @@
+What: /sys/kernel/vmcoreinfo
+Date: October 2007
+KernelVersion: 2.6.24
+Contact: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
+ Kexec Mailing List <kexec@lists.infradead.org>
+ Vivek Goyal <vgoyal@redhat.com>
+Description
+ Shows physical address and size of vmcoreinfo ELF note.
+ First value contains physical address of note in hex and
+ second value contains the size of note in hex. This ELF
+ note info is parsed by second kernel and exported to user
+ space as part of ELF note in /proc/vmcore file. This note
+ contains various information like struct size, symbol
+ values, page size etc.
reply other threads:[~2014-01-15 16:35 UTC|newest]
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