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[v4,2/8] hw/acpi: Do not create memory hotplug method when handler is not defined

Message ID 20190409102935.28292-3-shameerali.kolothum.thodi@huawei.com
State Superseded
Headers show
Series ARM virt: ACPI memory hotplug support | expand

Commit Message

Shameerali Kolothum Thodi April 9, 2019, 10:29 a.m. UTC 
From: Samuel Ortiz <sameo@linux.intel.com>


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>

---
 hw/acpi/memory_hotplug.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

-- 
2.7.4
diff mbox series

Patch

diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c
index c724f5f..b74a5e2 100644
--- a/hw/acpi/memory_hotplug.c
+++ b/hw/acpi/memory_hotplug.c
@@ -719,10 +719,12 @@  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);
 }