Scott Tsai wrote: > I do have a newbie question, when exactly would vrtio have to handle > concurrent access from multiple threads? > My current reading of the code suggests: > 1. when CONFIG_IOTHREAD is true > 2. when CONFIG_KVM is true and the guest machine has multiple CPUs
It's enough to have CONFIG_KVM with a single guest CPU, isn't it? Because the guest CPU can still run concurrently with the I/O thread on kvm, and the host may have multiple CPUs even though the guest does not. -- Jamie
