On Mon, 16 Jan 2023 at 03:20, zhukeqian via <[email protected]> wrote: > And if IO operation is blocked, is vCPU thread will blocked when do > deactivate?
Yes, blk_drain() is a synchronous function. It blocks until in-flight I/O has finished. The vcpu thread will be blocked in virtio_pci_common_write(). Stefan
