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memory: Alloc dispatch tree where topology is generared
This is to make next patches simpler. Backports commit 9bf561e36cf8fed9565011a19ba9ea0100e1811e from qemu
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@ -702,6 +702,7 @@ static MemoryRegion *memory_region_get_flatview_root(MemoryRegion *mr)
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/* Render a memory topology into a list of disjoint absolute ranges. */
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/* Render a memory topology into a list of disjoint absolute ranges. */
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static FlatView *generate_memory_topology(MemoryRegion *mr)
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static FlatView *generate_memory_topology(MemoryRegion *mr)
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{
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{
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int i;
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FlatView *view;
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FlatView *view;
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view = flatview_new(mr);
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view = flatview_new(mr);
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@ -712,6 +713,14 @@ static FlatView *generate_memory_topology(MemoryRegion *mr)
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}
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}
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flatview_simplify(view);
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flatview_simplify(view);
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view->dispatch = address_space_dispatch_new(mr->uc, view);
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for (i = 0; i < view->nr; i++) {
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MemoryRegionSection mrs =
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section_from_flat_range(&view->ranges[i], view);
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flatview_add_to_dispatch(view, &mrs);
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}
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address_space_dispatch_compact(view->dispatch);
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return view;
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return view;
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}
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}
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@ -797,15 +806,6 @@ static void address_space_update_topology(AddressSpace *as)
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FlatView *old_view = address_space_get_flatview(as);
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FlatView *old_view = address_space_get_flatview(as);
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MemoryRegion *physmr = memory_region_get_flatview_root(old_view->root);
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MemoryRegion *physmr = memory_region_get_flatview_root(old_view->root);
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FlatView *new_view = generate_memory_topology(physmr);
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FlatView *new_view = generate_memory_topology(physmr);
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int i;
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new_view->dispatch = address_space_dispatch_new(as->uc, new_view);
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for (i = 0; i < new_view->nr; i++) {
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MemoryRegionSection mrs =
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section_from_flat_range(&new_view->ranges[i], new_view);
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flatview_add_to_dispatch(new_view, &mrs);
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}
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address_space_dispatch_compact(new_view->dispatch);
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if (!QTAILQ_EMPTY(&as->listeners)) {
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if (!QTAILQ_EMPTY(&as->listeners)) {
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address_space_update_topology_pass(as, old_view, new_view, false);
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address_space_update_topology_pass(as, old_view, new_view, false);
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