65 static int find_matching_signature(void *mc, unsigned int csig, int cpf)  in find_matching_signature()  argument
67 	struct microcode_header_intel *mc_hdr = mc;  in find_matching_signature()
79 	ext_hdr = mc + get_datasize(mc_hdr) + MC_HEADER_SIZE;  in find_matching_signature()
93 static int has_newer_microcode(void *mc, unsigned int csig, int cpf, int new_rev)  in has_newer_microcode()  argument
95 	struct microcode_header_intel *mc_hdr = mc;  in has_newer_microcode()
100 	return find_matching_signature(mc, csig, cpf);  in has_newer_microcode()
180 static int microcode_sanity_check(void *mc, int print_err)  in microcode_sanity_check()  argument
183 	struct microcode_header_intel *mc_header = mc;  in microcode_sanity_check()
215 		ext_header = mc + MC_HEADER_SIZE + data_size;  in microcode_sanity_check()
249 		orig_sum += ((u32 *)mc)[i];  in microcode_sanity_check()
443 static void save_mc_for_early(struct ucode_cpu_info *uci, u8 *mc, unsigned int size)  in save_mc_for_early()  argument
450 	save_microcode_patch(uci, mc, size);  in save_mc_for_early()
510 	struct microcode_intel *mc;  in print_ucode()  local
514 	mc = uci->mc;  in print_ucode()
515 	if (!mc)  in print_ucode()
522 	*current_mc_date_p = mc->hdr.date;  in print_ucode()
528 	struct microcode_intel *mc;  in print_ucode()  local
530 	mc = uci->mc;  in print_ucode()
531 	if (!mc)  in print_ucode()
534 	print_ucode_info(uci, mc->hdr.date);  in print_ucode()
540 	struct microcode_intel *mc;  in apply_microcode_early()  local
543 	mc = uci->mc;  in apply_microcode_early()
544 	if (!mc)  in apply_microcode_early()
553 	if (rev >= mc->hdr.rev) {  in apply_microcode_early()
565 	native_wrmsrl(MSR_IA32_UCODE_WRITE, (unsigned long)mc->bits);  in apply_microcode_early()
568 	if (rev != mc->hdr.rev)  in apply_microcode_early()
576 		print_ucode_info(uci, mc->hdr.date);  in apply_microcode_early()
647 	uci.mc = patch;  in load_ucode_intel_bsp()
671 	uci.mc = *iup;  in load_ucode_intel_ap()
714 	uci.mc = p;  in reload_ucode_intel()
752 	struct microcode_intel *mc;  in apply_microcode_intel()  local
762 	mc = find_patch(uci);  in apply_microcode_intel()
763 	if (!mc) {  in apply_microcode_intel()
764 		mc = uci->mc;  in apply_microcode_intel()
765 		if (!mc)  in apply_microcode_intel()
775 	if (rev >= mc->hdr.rev) {  in apply_microcode_intel()
787 	wrmsrl(MSR_IA32_UCODE_WRITE, (unsigned long)mc->bits);  in apply_microcode_intel()
791 	if (rev != mc->hdr.rev) {  in apply_microcode_intel()
793 		       cpu, mc->hdr.rev);  in apply_microcode_intel()
800 			mc->hdr.date & 0xffff,  in apply_microcode_intel()
801 			mc->hdr.date >> 24,  in apply_microcode_intel()
802 			(mc->hdr.date >> 16) & 0xff);  in apply_microcode_intel()
825 	u8 *new_mc = NULL, *mc = NULL;  in generic_load_microcode()  local
849 		/* For performance reasons, reuse mc area when possible */  in generic_load_microcode()
850 		if (!mc || mc_size > curr_mc_size) {  in generic_load_microcode()
851 			vfree(mc);  in generic_load_microcode()
852 			mc = vmalloc(mc_size);  in generic_load_microcode()
853 			if (!mc)  in generic_load_microcode()
858 		memcpy(mc, &mc_header, sizeof(mc_header));  in generic_load_microcode()
859 		data = mc + sizeof(mc_header);  in generic_load_microcode()
861 		    microcode_sanity_check(mc, 1) < 0) {  in generic_load_microcode()
867 		if (has_newer_microcode(mc, csig, cpf, new_rev)) {  in generic_load_microcode()
870 			new_mc  = mc;  in generic_load_microcode()
872 			mc = NULL;	/* trigger new vmalloc */  in generic_load_microcode()
877 	vfree(mc);  in generic_load_microcode()
887 	vfree(uci->mc);  in generic_load_microcode()
888 	uci->mc = (struct microcode_intel *)new_mc;  in generic_load_microcode()
891 	 * If early loading microcode is supported, save this mc into  in generic_load_microcode()