Re: KVM crash on unusual PM->RM transition

H. Peter Anvin
2009-04-14T16:17:46Z

Avi Kivity wrote:
>
> Sorry, not specific enough: it doesn't do real SMP. Atomic instructions
> are translated as multiple, non-atomic instructions, so you can't run
> tcg compiled code in parallel. If your host is different than your
> target, you have memory ordering issues as well.
>
> What qemu does is to multiplex multiple guest cpus on one host thread.
> It's nice but it isn't how kvm works.
>

Erk, nevermind.