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hw/acpi/ich9: clear smi_en on reset

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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>
This commit is contained in:
Laszlo Ersek 2015-07-24 20:16:00 +02:00 committed by Michael Tokarev
parent edec47cfef
commit be66680e83
1 changed files with 1 additions and 0 deletions
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hw/acpi/ich9.c
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@ -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. */