Fibrils and asynchronous system calls [LWN.net]The kernel's support for asynchronous I/O is incomplete, and it always has been. While certain types of operations (direct filesystem I/O, for example) work well in an asynchronous mode, many others do not. Often implementing asynchronous operation is hard, and nobody has ever gotten around to making it work. In other cases, patches have been around for some time, but they have not made it into th
cuspy memo - qemu-kvm の block migration を試してみたよ。
