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pc_piix: enable legacy hotplug for Xen 

xenfv has no fwcfg and so does not load acpi from QEMU.
as such new acpi features don't work.

Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2014-02-04 23:29:30 +02:00
parent 35b307126c
commit d160024fe5
1 changed files with 11 additions and 0 deletions
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11
hw/i386/pc_piix.c
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@ -793,6 +793,17 @@ static QEMUMachine xenfv_machine = {
.max_cpus = HVM_MAX_VCPUS,
.default_machine_opts = "accel=xen",
.hot_add_cpu = pc_hot_add_cpu,
.compat_props = (GlobalProperty[]) {
/* xenfv has no fwcfg and so does not load acpi from QEMU.
* as such new acpi features don't work.
*/
{
.driver = "PIIX4_PM",
.property = "acpi-pci-hotplug-with-bridge-support",
.value = "off",
},
{ /* end of list */ }
},
};
#endif