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-rw-r--r--hw/ppc/spapr.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 6f37288a7f..5904e6498f 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2367,6 +2367,7 @@ static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
uint64_t align = memory_region_get_alignment(mr);
uint64_t size = memory_region_size(mr);
uint64_t addr;
+ char *mem_dev;
if (size % SPAPR_MEMORY_BLOCK_SIZE) {
error_setg(&local_err, "Hotplugged memory size must be a multiple of "
@@ -2374,6 +2375,13 @@ static void spapr_memory_plug(HotplugHandler *hotplug_dev, DeviceState *dev,
goto out;
}
+ mem_dev = object_property_get_str(OBJECT(dimm), PC_DIMM_MEMDEV_PROP, NULL);
+ if (mem_dev && !kvmppc_is_mem_backend_page_size_ok(mem_dev)) {
+ error_setg(&local_err, "Memory backend has bad page size. "
+ "Use 'memory-backend-file' with correct mem-path.");
+ goto out;
+ }
+
pc_dimm_memory_plug(dev, &ms->hotplug_memory, mr, align, &local_err);
if (local_err) {
goto out;