diff options
| -rw-r--r-- | migration/ram.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/migration/ram.c b/migration/ram.c index ba228eead4..73e5ca93e5 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -1896,13 +1896,14 @@ int ram_write_tracking_start(void) block->max_length, UFFDIO_REGISTER_MODE_WP, NULL)) { goto fail; } + block->flags |= RAM_UF_WRITEPROTECT; + memory_region_ref(block->mr); + /* Apply UFFD write protection to the block memory range */ if (uffd_change_protection(rs->uffdio_fd, block->host, block->max_length, true, false)) { goto fail; } - block->flags |= RAM_UF_WRITEPROTECT; - memory_region_ref(block->mr); trace_ram_write_tracking_ramblock_start(block->idstr, block->page_size, block->host, block->max_length); |