linux-kernel - [PATCH 2/2] Documentation: Add ABI entry for crash_notes and crash_notes

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Date:	Thu, 28 Mar 2013 16:16:45 +0800
From:	Zhang Yanfei <zhangyanfei@...fujitsu.com>
To:	Greg KH <gregkh@...uxfoundation.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>, vgoyal@...hat.com
CC:	"kexec@...ts.infradead.org" <kexec@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH 2/2] 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: Greg KH <gregkh@...uxfoundation.org>
Cc: "Eric W. Biederman" <ebiederm@...ssion.com>
Cc: Vivek Goyal <vgoyal@...hat.com>
Signed-off-by: Zhang Yanfei <zhangyanfei@...fujitsu.com>
---
 Documentation/ABI/testing/sysfs-devices-system-cpu |   12 ++++++++++++
 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 9c978dc..2447698 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@...ts.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#.
-- 
1.7.1

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