diff options
Diffstat (limited to 'arch_init.c')
| -rw-r--r-- | arch_init.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch_init.c b/arch_init.c index 8daeafaf5c..32b437897c 100644 --- a/arch_init.c +++ b/arch_init.c @@ -379,6 +379,8 @@ static inline bool migration_bitmap_set_dirty(MemoryRegion *mr, return ret; } +/* Needs iothread lock! */ + static void migration_bitmap_sync(void) { RAMBlock *block; @@ -690,7 +692,9 @@ static uint64_t ram_save_pending(QEMUFile *f, void *opaque, uint64_t max_size) remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; if (remaining_size < max_size) { + qemu_mutex_lock_iothread(); migration_bitmap_sync(); + qemu_mutex_unlock_iothread(); remaining_size = ram_save_remaining() * TARGET_PAGE_SIZE; } return remaining_size; |