summaryrefslogtreecommitdiff
path: root/include/exec/ram_addr.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/exec/ram_addr.h')
-rw-r--r--include/exec/ram_addr.h4
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))) {