48 lines
2.2 KiB
Diff
48 lines
2.2 KiB
Diff
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From 9df0bb18bea5bc5cb4f292cfa4b51018cb2c70d9 Mon Sep 17 00:00:00 2001
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From: Bruce Rogers <brogers@suse.com>
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Date: Thu, 27 Apr 2017 13:43:58 -0600
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Subject: [PATCH] ACPI: don't call acpi_pcihp_device_plug_cb on xen
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Commit f0c9d64a exposed the issue that with a xenfv machine using
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pci passthrough, acpi cpi hotplug code was being executed by mistake.
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Guard calls to acpi_pcihp_device_plug_cb (and corresponding
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acpi_pcihp_device_unplug_cb) with a check for xen_enabled(). Without
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this check I am seeing an error that the bus doesn't have the
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acpi-pcihp-bsel property set.
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[BR: BSC#1034131]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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hw/acpi/piix4.c | 11 ++++++++---
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1 file changed, 8 insertions(+), 3 deletions(-)
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diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
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index c34f761..ae1cb26 100644
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--- a/hw/acpi/piix4.c
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+++ b/hw/acpi/piix4.c
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@@ -385,7 +385,10 @@ static void piix4_device_plug_cb(HotplugHandler *hotplug_dev,
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dev, errp);
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}
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} else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
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- acpi_pcihp_device_plug_cb(hotplug_dev, &s->acpi_pci_hotplug, dev, errp);
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+ if (!xen_enabled()) {
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+ acpi_pcihp_device_plug_cb(hotplug_dev, &s->acpi_pci_hotplug, dev,
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+ errp);
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+ }
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} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
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if (s->cpu_hotplug_legacy) {
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legacy_acpi_cpu_plug_cb(hotplug_dev, &s->gpe_cpu, dev, errp);
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@@ -408,8 +411,10 @@ static void piix4_device_unplug_request_cb(HotplugHandler *hotplug_dev,
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acpi_memory_unplug_request_cb(hotplug_dev, &s->acpi_memory_hotplug,
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dev, errp);
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} else if (object_dynamic_cast(OBJECT(dev), TYPE_PCI_DEVICE)) {
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- acpi_pcihp_device_unplug_cb(hotplug_dev, &s->acpi_pci_hotplug, dev,
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- errp);
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+ if (!xen_enabled()) {
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+ acpi_pcihp_device_unplug_cb(hotplug_dev, &s->acpi_pci_hotplug, dev,
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+ errp);
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+ }
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} else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU) &&
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!s->cpu_hotplug_legacy) {
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acpi_cpu_unplug_request_cb(hotplug_dev, &s->cpuhp_state, dev, errp);
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