From: Wei Liu <wei.liu2@citrix.com>
Date: Wed, 5 Sep 2018 14:05:01 +0000 (+0100)
Subject: docs: document ~/control/sysrq
X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~3303
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e6a8fe423e87df5793a46e624bd5eccf92e3ac13;p=xen.git

docs: document ~/control/sysrq

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
---

diff --git a/docs/misc/xenstore-paths.markdown b/docs/misc/xenstore-paths.markdown
index 60c8b3fbe5..33d281915c 100644
--- a/docs/misc/xenstore-paths.markdown
+++ b/docs/misc/xenstore-paths.markdown
@@ -410,6 +410,14 @@ by udev ("0") or will be run by the toolstack directly ("1").
 
 ### Platform Feature and Control Paths
 
+#### ~/control/sysrq = (""|COMMAND) [w]
+
+This is the PV SysRq control node. A toolstack can write a single character
+representing a magic SysRq key understood by the Linux kernel.  The guest
+acknowledges a request by writing the empty string back to the command node.
+
+This protocol is Linux only.
+
 #### ~/control/shutdown = (""|COMMAND) [w]
 
 This is the PV shutdown control node. A toolstack can write various