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[Xen-devel] [PATCH]xen/acpi: make poweroff really work for pv-ops dom0

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: [Xen-devel] [PATCH]xen/acpi: make poweroff really work for pv-ops dom0
From: "Wei, Gang" <gang.wei@xxxxxxxxx>
Date: Tue, 24 Nov 2009 09:33:12 +0800
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Thread-topic: [PATCH]xen/acpi: make poweroff really work for pv-ops dom0
xen/acpi: Make poweroff really work for pv-ops dom0

sched_op(SHUTDOWN_poweroff) hypercall will only halt all physical cpus without
really poweroff the system. Use pm_power_off fn to achieve it.

Signed-off-by: Wei Gang <gang.wei@xxxxxxxxx>

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index ecb9b0d..d9fd3f4 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1058,6 +1058,14 @@ static void xen_machine_halt(void)
+static void xen_machine_power_off(void)
+       if (pm_power_off) 
+               pm_power_off();
+       else
+               xen_reboot(SHUTDOWN_poweroff);
 static void xen_crash_shutdown(struct pt_regs *regs)
@@ -1066,7 +1074,7 @@ static void xen_crash_shutdown(struct pt_regs *regs)
 static const struct machine_ops __initdata xen_machine_ops = {
        .restart = xen_restart,
        .halt = xen_machine_halt,
-       .power_off = xen_machine_halt,
+       .power_off = xen_machine_power_off,
        .shutdown = xen_machine_halt,
        .crash_shutdown = xen_crash_shutdown,
        .emergency_restart = xen_emergency_restart,

Attachment: pvops-dom0-poweroff-fix.patch
Description: pvops-dom0-poweroff-fix.patch

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