451 	unsigned long newval, cr4 = this_cpu_read(cpu_tlbstate.cr4);  in cr4_update_irqsoff()  local
455 	newval = (cr4 & ~clear) | set;  in cr4_update_irqsoff()
456 	if (newval != cr4) {  in cr4_update_irqsoff()
457 		this_cpu_write(cpu_tlbstate.cr4, newval);  in cr4_update_irqsoff()
466 	return this_cpu_read(cpu_tlbstate.cr4);  in cr4_read_shadow()
472 	unsigned long cr4 = __read_cr4();  in cr4_init()  local
475 		cr4 |= X86_CR4_PCIDE;  in cr4_init()
477 		cr4 = (cr4 & ~cr4_pinned_mask) | cr4_pinned_bits;  in cr4_init()
479 	__write_cr4(cr4);  in cr4_init()
482 	this_cpu_write(cpu_tlbstate.cr4, cr4);  in cr4_init()
492 	cr4_pinned_bits = this_cpu_read(cpu_tlbstate.cr4) & cr4_pinned_mask;  in setup_cr_pinning()