memory: Cleanup after switching to FlatView
We store AddressSpaceDispatch* in FlatView anyway so there is no need to carry it from mem_add() to register_subpage/register_multipage. This should cause no behavioural change. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Message-Id: <20170921085110.25598-8-aik@ozlabs.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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parent
166206845f
commit
9950322a59
16
exec.c
16
exec.c
@ -1302,9 +1302,9 @@ static void phys_sections_free(PhysPageMap *map)
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g_free(map->nodes);
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}
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static void register_subpage(FlatView *fv, AddressSpaceDispatch *d,
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MemoryRegionSection *section)
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static void register_subpage(FlatView *fv, MemoryRegionSection *section)
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{
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AddressSpaceDispatch *d = flatview_to_dispatch(fv);
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subpage_t *subpage;
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hwaddr base = section->offset_within_address_space
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& TARGET_PAGE_MASK;
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@ -1333,9 +1333,10 @@ static void register_subpage(FlatView *fv, AddressSpaceDispatch *d,
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}
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static void register_multipage(AddressSpaceDispatch *d,
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static void register_multipage(FlatView *fv,
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MemoryRegionSection *section)
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{
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AddressSpaceDispatch *d = flatview_to_dispatch(fv);
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hwaddr start_addr = section->offset_within_address_space;
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uint16_t section_index = phys_section_add(&d->map, section);
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uint64_t num_pages = int128_get64(int128_rshift(section->size,
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@ -1347,7 +1348,6 @@ static void register_multipage(AddressSpaceDispatch *d,
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void mem_add(FlatView *fv, MemoryRegionSection *section)
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{
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AddressSpaceDispatch *d = flatview_to_dispatch(fv);
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MemoryRegionSection now = *section, remain = *section;
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Int128 page_size = int128_make64(TARGET_PAGE_SIZE);
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@ -1356,7 +1356,7 @@ void mem_add(FlatView *fv, MemoryRegionSection *section)
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- now.offset_within_address_space;
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now.size = int128_min(int128_make64(left), now.size);
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register_subpage(fv, d, &now);
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register_subpage(fv, &now);
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} else {
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now.size = int128_zero();
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}
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@ -1366,13 +1366,13 @@ void mem_add(FlatView *fv, MemoryRegionSection *section)
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remain.offset_within_region += int128_get64(now.size);
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now = remain;
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if (int128_lt(remain.size, page_size)) {
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register_subpage(fv, d, &now);
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register_subpage(fv, &now);
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} else if (remain.offset_within_address_space & ~TARGET_PAGE_MASK) {
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now.size = page_size;
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register_subpage(fv, d, &now);
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register_subpage(fv, &now);
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} else {
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now.size = int128_and(now.size, int128_neg(page_size));
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register_multipage(d, &now);
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register_multipage(fv, &now);
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}
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}
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}
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