[src/trunk]: src/sys/arch/amd64/acpi Make sure %edx is clear.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ab365bdc136f
branches:  trunk
changeset: 826709:ab365bdc136f
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Sep 23 10:18:49 2017 +0000

description:
Make sure %edx is clear.

diffstat:

 sys/arch/amd64/acpi/acpi_wakeup_low.S |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (17 lines):

diff -r 25c237777126 -r ab365bdc136f sys/arch/amd64/acpi/acpi_wakeup_low.S
--- a/sys/arch/amd64/acpi/acpi_wakeup_low.S     Sat Sep 23 10:00:00 2017 +0000
+++ b/sys/arch/amd64/acpi/acpi_wakeup_low.S     Sat Sep 23 10:18:49 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: acpi_wakeup_low.S,v 1.5 2016/07/24 13:04:58 maxv Exp $ */
+/*     $NetBSD: acpi_wakeup_low.S,v 1.6 2017/09/23 10:18:49 maxv Exp $ */
 
 /*-
  * Copyright (c) 2007 Joerg Sonnenberger <joerg%netbsd.org@localhost>
@@ -52,6 +52,7 @@
 
        movl    $MSR_EFER,%ecx
        movl    ACPI_SUSPEND_EFER(%r8),%eax
+       movl    $0,%edx
        wrmsr
 
        movl    $MSR_FSBASE,%ecx