> On 12/07/12 21:18, Raghavendra K T wrote:
> > +#ifdef CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT
> [...]
> > + struct {
> > + bool cpu_relax_intercepted;
> > + bool dy_eligible;
> > + } ple;
> > +#endif
> [...]
> > }
> > vcpu->run = page_address(page);
> > + vcpu->ple.cpu_relax_intercepted = false;
> > + vcpu->ple.dy_eligible = false;
>
> This struct is only defined if CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT is set,
> but here it
> is always accessed. Will break on !x86 && !s390.
How about moving this struct definition outside the CONFIG.
i.e it would be available by default.
If any arch cares to use vcpu_on_spin(), they would get the benefit by
default.
This would avoid all the CONFIG magic that we would have to do
otherwise.
--
Thanks and Regards
Srikar
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