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hw/acpi: Do not create memory hotplug method when handler is not defined

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With Hardware-reduced ACPI, the GED device will manage ACPI
hotplug entirely. As a consequence, make the memory specific
events AML generation optional. The code will only be added
when the method name is not NULL.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20190918130633.4872-3-shameerali.kolothum.thodi@huawei.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Samuel Ortiz 2019-09-18 14:06:24 +01:00 committed by Michael S. Tsirkin
parent 091c466e26
commit 22338fea78
1 changed files with 6 additions and 4 deletions
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10
hw/acpi/memory_hotplug.c
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@ -712,10 +712,12 @@ void build_memory_hotplug_aml(Aml *table, uint32_t nr_mem,
}
aml_append(table, dev_container);
method = aml_method(event_handler_method, 0, AML_NOTSERIALIZED);
aml_append(method,
aml_call0(MEMORY_DEVICES_CONTAINER "." MEMORY_SLOT_SCAN_METHOD));
aml_append(table, method);
if (event_handler_method) {
method = aml_method(event_handler_method, 0, AML_NOTSERIALIZED);
aml_append(method, aml_call0(MEMORY_DEVICES_CONTAINER "."
MEMORY_SLOT_SCAN_METHOD));
aml_append(table, method);
}
g_free(mhp_res_path);
}