Re: [Qemu-devel] x86_64 linux kernel doesn't boot with -icount enabled

[Paolo Bonzini]

On 11/10/2011 11:25 AM, Max Filippov wrote:
> > >
> > >  -icount should be ignored or give an error together with KVM.  Would you
> What's the background for that? (Unfortunately I'm completely
> unfamiliar with kvm).

With -icount, The vm_clock is updated with help from TCG (it counts 
instructions at 2^ICOUNT ns/instructions).  With KVM, the instruction 
count is not available so KVM cannot provide this help.

The patch you sent looks good, but perhaps you can include the above 
comment in the commit message and also include Xen?  With these changes, 
you can add my Acked-by.

Thanks,

Paolo