[Qemu-devel] [PATCH v4 38/47] Add assertion to check migration_dirty_pages

[Dr. David Alan Gilbert (git)]

From: "Dr. David Alan Gilbert" <address@hidden>

I've seen it go negative once during dev, it shouldn't
happen.

Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
 arch_init.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch_init.c b/arch_init.c
index a945990..2f4345a 100644
--- a/arch_init.c
+++ b/arch_init.c
@@ -442,6 +442,7 @@ ram_addr_t 
migration_bitmap_find_and_reset_dirty(MemoryRegion *mr,
 
     if (next < size) {
         clear_bit(next, migration_bitmap);
+        assert(migration_dirty_pages > 0);
         migration_dirty_pages--;
     }
     *bitoffset = next;
-- 
1.9.3