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authorZhang Yanfei <zhangyanfei@cn.fujitsu.com>2013-03-28 16:16:45 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-29 09:17:22 -0700
commitc4fd675f584a17bd8ceb4fcbf29af12be7ac2a57 (patch)
treeb8854cbdabc035682d715a9af6502602c08110ce /Documentation/ABI
parenteca4549f57a19f8881dcd7b9cef719b3452003c0 (diff)
downloadlinux-c4fd675f584a17bd8ceb4fcbf29af12be7ac2a57.tar.gz
Documentation: Add ABI entry for crash_notes and crash_notes_size
Add an Documentation/ABI entry for /sys/devices/system/cpu/cpu0/crash_notes and /sys/devices/system/cpu/cpu0/crash_notes_size. Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Acked-by: Simon Horman <horms@verge.net.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-devices-system-cpu12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 9c978dcae07..2447698aed4 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -173,3 +173,15 @@ Description: Processor frequency boosting control
Boosting allows the CPU and the firmware to run at a frequency
beyound it's nominal limit.
More details can be found in Documentation/cpu-freq/boost.txt
+
+
+What: /sys/devices/system/cpu/cpu#/crash_notes
+ /sys/devices/system/cpu/cpu#/crash_notes_size
+Date: April 2013
+Contact: kexec@lists.infradead.org
+Description: address and size of the percpu note.
+
+ crash_notes: the physical address of the memory that holds the
+ note of cpu#.
+
+ crash_notes_size: size of the note of cpu#.