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[Qemu-devel] [PATCH v5 18/33] dimm: get mapped memory region from DIMMDe


From: Xiao Guangrong
Subject: [Qemu-devel] [PATCH v5 18/33] dimm: get mapped memory region from DIMMDeviceClass->get_memory_region
Date: Wed, 28 Oct 2015 22:26:16 +0000

Curretly, the memory region of backed memory is directly mapped to
guest's address space, however, it is not true for nvdimm device

This patch let dimm device realize this fact and use
DIMMDeviceClass->get_memory_region method to get the mapped memory
region

Signed-off-by: Xiao Guangrong <address@hidden>
---
 hw/mem/dimm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hw/mem/dimm.c b/hw/mem/dimm.c
index 23d5daa..9e0403a 100644
--- a/hw/mem/dimm.c
+++ b/hw/mem/dimm.c
@@ -380,8 +380,9 @@ static void dimm_get_size(Object *obj, Visitor *v, void 
*opaque,
     int64_t value;
     MemoryRegion *mr;
     DIMMDevice *dimm = DIMM(obj);
+    DIMMDeviceClass *ddc = DIMM_GET_CLASS(obj);
 
-    mr = host_memory_backend_get_memory(dimm->hostmem, errp);
+    mr = ddc->get_memory_region(dimm);
     value = memory_region_size(mr);
 
     visit_type_int(v, &value, name, errp);
-- 
1.8.3.1




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