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Documentation: Add ABI entry for crash_notes and crash_notes_size

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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>
This commit is contained in:
Zhang Yanfei 2013-03-28 16:16:45 +08:00 committed by Greg Kroah-Hartman
parent eca4549f57
commit c4fd675f58
1 changed files with 12 additions and 0 deletions
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12
Documentation/ABI/testing/sysfs-devices-system-cpu
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@ -173,3 +173,15 @@ Description: Processor frequency boosting control
Boosting allows the CPU and the firmware to run at a frequency Boosting allows the CPU and the firmware to run at a frequency
beyound it's nominal limit. beyound it's nominal limit.
More details can be found in Documentation/cpu-freq/boost.txt 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#.