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[RFC,v1,02/25] memory: Simplify mr_add_subregion() if-else

Message ID 229e7b0958c8750d3d19388c260d3a2631c5476b.1400204799.git.peter.crosthwaite@xilinx.com
State New
Headers show

Commit Message

Peter Crosthwaite May 16, 2014, 1:51 a.m. UTC 
This if else is not needed. The previous call to memory_region_add
(whether _overlap or not) will always set priority and may_overlap
to desired values. And its not possible to get here without having
called memory_region_add_subregion due to the null guard on parent.
So we can just directly call memory_region_add_subregion_common.

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
---

 memory.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)
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Patch

diff --git a/memory.c b/memory.c
index 3f1df23..1352881 100644
--- a/memory.c
+++ b/memory.c
@@ -1501,8 +1501,6 @@  void memory_region_set_enabled(MemoryRegion *mr, bool enabled)
 void memory_region_set_address(MemoryRegion *mr, hwaddr addr)
 {
     MemoryRegion *parent = mr->parent;
-    int priority = mr->priority;
-    bool may_overlap = mr->may_overlap;
 
     if (addr == mr->addr || !parent) {
         mr->addr = addr;
@@ -1512,11 +1510,7 @@  void memory_region_set_address(MemoryRegion *mr, hwaddr addr)
     memory_region_transaction_begin();
     memory_region_ref(mr);
     memory_region_del_subregion(parent, mr);
-    if (may_overlap) {
-        memory_region_add_subregion_overlap(parent, addr, mr, priority);
-    } else {
-        memory_region_add_subregion(parent, addr, mr);
-    }
+    memory_region_add_subregion_common(parent, addr, mr);
     memory_region_unref(mr);
     memory_region_transaction_commit();
 }