Re: [Qemu-devel] Re: [PATCH 3/3] Add KVM support to QEMU

Hollis Blanchard
2008-10-29T13:51:21Z

On Tue, Oct 28, 2008 at 6:36 PM, Anthony Liguori <anthony@codemonkey.ws> wrote:
>
> Something I was thinking about this morning, and I think the first place
> where we'll definitely need a hook, is how to deal with
> kvm_load_registers(). I think there's overlap between KVM and the IO thread
> here.
>
> There are two reasons (I can think of) that most of the device model code
> can't run in conjunction with TCG. The first is that TCG may modify
> CPUState in a non-atomic way. The device model may need to access CPUState
> although there are very few places that it does.

Out of curiosity, where are those places?

-Hollis