KVM: Portability: Expand the KVM_VCPU_COMM in kvm_vcpu structure.

void kvm_io_bus_register_dev(struct kvm_io_bus *bus,

			     struct kvm_io_device *dev);

struct kvm_vcpu {

	struct kvm *kvm;

	struct preempt_notifier preempt_notifier;

	int vcpu_id;

	struct mutex mutex;

	int   cpu;

	struct kvm_run *run;

	int guest_mode;

	unsigned long requests;

	struct kvm_guest_debug guest_debug;

	int fpu_active;

	int guest_fpu_loaded;

	wait_queue_head_t wq;

	int sigset_active;

	sigset_t sigset;

	struct kvm_vcpu_stat stat;

#ifdef CONFIG_HAS_IOMEM

#define KVM_VCPU_MMIO 			\

	int mmio_needed;		\

	int mmio_read_completed;	\

	int mmio_is_write;		\

	int mmio_size;			\

	unsigned char mmio_data[8];	\

	int mmio_needed;

	int mmio_read_completed;

	int mmio_is_write;

	int mmio_size;

	unsigned char mmio_data[8];

	gpa_t mmio_phys_addr;

#else

#define KVM_VCPU_MMIO

#endif

#define KVM_VCPU_COMM 					\

	struct kvm *kvm; 				\

	struct preempt_notifier preempt_notifier;	\

	int vcpu_id;					\

	struct mutex mutex;				\

	int   cpu;					\

	struct kvm_run *run;				\

	int guest_mode;					\

	unsigned long requests;				\

	struct kvm_guest_debug guest_debug;		\

	int fpu_active; 				\

	int guest_fpu_loaded;				\

	wait_queue_head_t wq;				\

	int sigset_active;				\

	sigset_t sigset;				\

	struct kvm_vcpu_stat stat;			\

	KVM_VCPU_MMIO

struct kvm_vcpu {

	KVM_VCPU_COMM;

	struct kvm_vcpu_arch arch;

};