diff options
| -rw-r--r-- | include/exec/ram_addr.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index 606e277092..f2e872d87a 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -165,6 +165,10 @@ static inline void cpu_physical_memory_set_dirty_range(ram_addr_t start, unsigned long end, page; unsigned long **d = ram_list.dirty_memory; + if (!mask && !xen_enabled()) { + return; + } + end = TARGET_PAGE_ALIGN(start + length) >> TARGET_PAGE_BITS; page = start >> TARGET_PAGE_BITS; if (likely(mask & (1 << DIRTY_MEMORY_MIGRATION))) { |