[PATCH 10/23] Use kernel_power_off in sysrq-o

[ebiederm@xmission.com (Eric W. Biederman)]

We already do all of the gymnastics to run from process context
to call the power off code so call into the power off code cleanly.

This especially helps acpi as part of it's shutdown logic should
run acpi_shutdown called from device_shutdown which was not
being called from here.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---

 kernel/power/poweroff.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

acf31d44f4864bf13fa5a9fe49e0cc9c0ec93cee
diff --git a/kernel/power/poweroff.c b/kernel/power/poweroff.c
--- a/kernel/power/poweroff.c
+++ b/kernel/power/poweroff.c
@@ -9,6 +9,7 @@
 #include <linux/init.h>
 #include <linux/pm.h>
 #include <linux/workqueue.h>
+#include <linux/reboot.h>
 
 /*
  * When the user hits Sys-Rq o to power down the machine this is the
@@ -17,8 +18,7 @@
 
 static void do_poweroff(void *dummy)
 {
-	if (pm_power_off)
-		pm_power_off();
+	kernel_power_off();
 }
 
 static DECLARE_WORK(poweroff_work, do_poweroff, NULL);
-
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