On 07/21/2012 09:12 AM, Wen Congyang wrote: > +#define KVM_PV_PORT (0x505UL) > + > #ifdef __KERNEL__ > #include <asm/processor.h> > > @@ -221,6 +223,11 @@ static inline void kvm_disable_steal_time(void) > } > #endif > > +static inline unsigned int kvm_arch_pv_features(void) > +{ > + return inl(KVM_PV_PORT); > +} > + Why is this safe? I'm not sure you can just pick any ioport you'd like and use it. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html