diff options
Diffstat (limited to 'include/exec')
| -rw-r--r-- | include/exec/ram_addr.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index a2beea7925..c113f21140 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -224,12 +224,12 @@ uint64_t cpu_physical_memory_sync_dirty_bitmap(unsigned long *dest, for (k = page; k < page + nr; k++) { if (src[k]) { + unsigned long bits = atomic_xchg(&src[k], 0); unsigned long new_dirty; new_dirty = ~dest[k]; - dest[k] |= src[k]; - new_dirty &= src[k]; + dest[k] |= bits; + new_dirty &= bits; num_dirty += ctpopl(new_dirty); - src[k] = 0; } } } else { |