Re: [RFC] kvm: x86: export vCPU halted state to sysfs

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On Mon, 5 Feb 2018 20:50:20 -0200
Eduardo Habkost <ehabkost@xxxxxxxxxx> wrote:

> On Mon, Feb 05, 2018 at 10:37:01AM -0500, Luiz Capitulino wrote:
> [...]
> > However, IMHO, what we really want is to add an API to the guest agent
> > to export the CPU online bit from the guest userspace sysfs. This will
> > give the ultimate semantics and move us away from this halted mess.  
> 
> Can't this be detected on the host side without guest agent?  Why
> do we need the guest to tell us what's the state of the virtual
> hardware we're emulating?

I have no idea.

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