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Commit c4fd675f authored Mar 28, 2013 by Zhang Yanfei Committed by Greg Kroah-Hartman Mar 29, 2013

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>

parent eca4549f

Documentation/ABI/testing/sysfs-devices-system-cpu

+12 −0

Original line number	Diff line number	Diff line
		@@ -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#.