[RFC PATCH 14/16] x86/xen: support poweroff through poweroff handler call chain

From: Guenter Roeck
Date: Tue Sep 30 2014 - 14:01:50 EST


The kernel core now supports a poweroff handler call chain
to remove power from the system. Call it if pm_power_off
is set to NULL.

Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
arch/x86/xen/enlighten.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index c0cb11f..645d00f 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1322,6 +1322,8 @@ static void xen_machine_power_off(void)
{
if (pm_power_off)
pm_power_off();
+ else
+ do_kernel_poweroff();
xen_reboot(SHUTDOWN_poweroff);
}

--
1.9.1

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