From: Laszlo Ersek <lersek@redhat.com>
Date: Fri, 24 Jul 2015 18:16:00 +0000 (+0200)
Subject: hw/acpi/ich9: clear smi_en on reset
X-Git-Tag: v2.4.0-rc3~7^2~9
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=be66680e8320d612f1c96096a217e642e458f47b;p=thirdparty%2Fqemu.git

hw/acpi/ich9: clear smi_en on reset

Otherwise on reboot firmware might think (due to APMC_EN remaining set
from the previous boot) that SMI support is absent.

Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-trivial@nongnu.org
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---

diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index f04f6dc8c30..8da5a2dfe31 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -221,6 +221,7 @@ static void pm_reset(void *opaque)
     acpi_pm_tmr_reset(&pm->acpi_regs);
     acpi_gpe_reset(&pm->acpi_regs);
 
+    pm->smi_en = 0;
     if (!pm->smm_enabled) {
         /* Mark SMM as already inited to prevent SMM from running. KVM does not
          * support SMM mode. */