diff options
| -rw-r--r-- | include/exec/ram_addr.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index 6cbc02aa0f..7633ef6342 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -391,9 +391,10 @@ uint64_t cpu_physical_memory_sync_dirty_bitmap(RAMBlock *rb, uint64_t num_dirty = 0; unsigned long *dest = rb->bmap; - /* start address is aligned at the start of a word? */ + /* start address and length is aligned at the start of a word? */ if (((word * BITS_PER_LONG) << TARGET_PAGE_BITS) == - (start + rb->offset)) { + (start + rb->offset) && + !(length & ((BITS_PER_LONG << TARGET_PAGE_BITS) - 1))) { int k; int nr = BITS_TO_LONGS(length >> TARGET_PAGE_BITS); unsigned long * const *src; |