1 files changed, 18 insertions, 0 deletions
diff --git a/system/physmem.c b/system/physmem.c
index 144fd7303b..50235e8853 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -1012,6 +1012,24 @@ uint8_t cpu_physical_memory_range_includes_clean(ram_addr_t start,
     return ret;
 }
 
+void cpu_physical_memory_set_dirty_flag(ram_addr_t addr, unsigned client)
+{
+    unsigned long page, idx, offset;
+    DirtyMemoryBlocks *blocks;
+
+    assert(client < DIRTY_MEMORY_NUM);
+
+    page = addr >> TARGET_PAGE_BITS;
+    idx = page / DIRTY_MEMORY_BLOCK_SIZE;
+    offset = page % DIRTY_MEMORY_BLOCK_SIZE;
+
+    RCU_READ_LOCK_GUARD();
+
+    blocks = qatomic_rcu_read(&ram_list.dirty_memory[client]);
+
+    set_bit_atomic(offset, blocks->blocks[idx]);
+}
+
 /* Note: start and end must be within the same ram block.  */
 bool cpu_physical_memory_test_and_clear_dirty(ram_addr_t start,
                                               ram_addr_t length,