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| author | Vivek Goyal <vgoyal@redhat.com> | 2014-01-23 15:56:01 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-01-23 16:37:03 -0800 |
| commit | bdd490ade365b1173485b829e5457af8e16c7f01 (patch) | |
| tree | a2eea5e26d56697d5a06249dea5b8c91f472117b /Documentation | |
| parent | 77019967f06b5f30c8b619eac0dfdbc68465fa87 (diff) | |
| download | linux-bdd490ade365b1173485b829e5457af8e16c7f01.tar.bz2 | |
kdump: add /sys/kernel/vmcoreinfo ABI documentation
/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>
Cc: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
Cc: Dan Aloni <da-x@monatomic.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-kernel-vmcoreinfo | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-kernel-vmcoreinfo b/Documentation/ABI/testing/sysfs-kernel-vmcoreinfo new file mode 100644 index 000000000000..7bd81168e063 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-kernel-vmcoreinfo @@ -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. |