I choose b)
在2014年08月01 11时15分, "Gareth"<academicgar...@gmail.com>写道: Hi all What does '-enable-kvm' option mean? I have heard two versions of answers: a) guest OS would have /dev/kvm device and which could help vm in guest OS (nested vm) b) use /dev/kvm and intel-vt on host OS which could help vm run more fast than pure emulator. Thanks -- Gareth Cloud Computing, OpenStack, Distributed Storage, Fitness, Basketball OpenStack contributor, kun_huang@freenode My promise: if you find any spelling or grammar mistakes in my email from Mar 1 2013, notify me and I'll donate $1 or ¥1 to an open organization you specify.