 if (cpu_has_feature(CPU_FTR_ALTIVEC)) paca[cpu].lppaca.vmxregs_in_use = 1;  
void vpa_init(int cpu){	int hwcpu = get_hard_smp_processor_id(cpu);	unsigned long vpa = (unsigned long)&(paca[cpu].lppaca);	long ret;	unsigned long flags;	/* Register the Virtual Processor Area (VPA) */	flags = 1UL << (63 - 18);	ret = register_vpa(flags, hwcpu, __pa(vpa));	if (ret)		printk(KERN_ERR "WARNING: vpa_init: VPA registration for "				"cpu %d (hw %d) of area %lx returns %ld\n",				cpu, hwcpu, __pa(vpa), ret);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/233ccd0d0452682edb51725410e0f8c0384e8b34/pSeries_lpar.c/clean/arch/ppc64/kernel/pSeries_lpar.c