From 609b308e64d28acbcac1edde134b427f648914a4 Mon Sep 17 00:00:00 2001
From: Alex Smith <alex@alex-smith.me.uk>
Date: Wed, 11 Jul 2012 12:23:18 +0100
Subject: [PATCH] Return B_NOT_SUPPORTED for shutdown if ACPI is unavailable
 (no APM on x86_64).

---
 src/system/kernel/arch/x86/arch_cpu.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/system/kernel/arch/x86/arch_cpu.cpp b/src/system/kernel/arch/x86/arch_cpu.cpp
index 10c94f6de2..9fe0d79075 100644
--- a/src/system/kernel/arch/x86/arch_cpu.cpp
+++ b/src/system/kernel/arch/x86/arch_cpu.cpp
@@ -1026,11 +1026,13 @@ arch_cpu_shutdown(bool rebootSystem)
 	if (acpi_shutdown(rebootSystem) == B_OK)
 		return B_OK;
 
-	// TODO x86_64
-#ifndef __x86_64
-	if (!rebootSystem)
+	if (!rebootSystem) {
+#ifndef __x86_64__
 		return apm_shutdown();
+#else
+		return B_NOT_SUPPORTED;
 #endif
+	}
 
 	cpu_status state = disable_interrupts();