i386: Add die-level cpu topology to x86CPU on PCMachine

[mirror_qemu.git] / dma-helpers.c

diff --git a/dma-helpers.c b/dma-helpers.c
index 97157cc2ec3e772108b08f9f35ec052910198d55..2d7e02d35e57613b3921e5621829f3ba1a736bdc 100644 (file)
--- a/dma-helpers.c
+++ b/dma-helpers.c
@@ -166,8 +166,10 @@ static void dma_blk_cb(void *opaque, int ret)
                                 QEMU_ALIGN_DOWN(dbs->iov.size, dbs->align));
     }
 
+    aio_context_acquire(dbs->ctx);
     dbs->acb = dbs->io_func(dbs->offset, &dbs->iov,
                             dma_blk_cb, dbs, dbs->io_func_opaque);
+    aio_context_release(dbs->ctx);
     assert(dbs->acb);
 }