97 bool intel_find_matching_signature(void *mc, struct cpu_signature *sig)  in intel_find_matching_signature()  argument
99 	struct microcode_header_intel *mc_hdr = mc;  in intel_find_matching_signature()
111 	ext_hdr = mc + intel_microcode_get_datasize(mc_hdr) + MC_HEADER_SIZE;  in intel_find_matching_signature()
125  * @mc: Pointer to the microcode file contents.
137 int intel_microcode_sanity_check(void *mc, bool print_err, int hdr_type)  in intel_microcode_sanity_check()  argument
140 	struct microcode_header_intel *mc_header = mc;  in intel_microcode_sanity_check()
173 		ext_header = mc + MC_HEADER_SIZE + data_size;  in intel_microcode_sanity_check()
207 		orig_sum += ((u32 *)mc)[i];  in intel_microcode_sanity_check()
237 static void update_ucode_pointer(struct microcode_intel *mc)  in update_ucode_pointer()  argument
245 	ucode_patch_va = mc;  in update_ucode_pointer()
251 	struct microcode_intel *mc;  in save_microcode_patch()  local
253 	mc = kvmemdup(patch, size, GFP_KERNEL);  in save_microcode_patch()
254 	if (mc)  in save_microcode_patch()
255 		update_ucode_pointer(mc);  in save_microcode_patch()
303 					  struct microcode_intel *mc,  in __apply_microcode()  argument
308 	if (!mc)  in __apply_microcode()
317 	if (*cur_rev >= mc->hdr.rev) {  in __apply_microcode()
323 	native_wrmsrl(MSR_IA32_UCODE_WRITE, (unsigned long)mc->bits);  in __apply_microcode()
326 	if (rev != mc->hdr.rev)  in __apply_microcode()
335 	struct microcode_intel *mc = uci->mc;  in apply_microcode_early()  local
338 	return __apply_microcode(uci, mc, &cur_rev);  in apply_microcode_early()
395 	uci.mc = get_microcode_blob(&uci, true);  in save_builtin_microcode()
396 	if (uci.mc)  in save_builtin_microcode()
397 		save_microcode_patch(uci.mc);  in save_builtin_microcode()
407 	uci.mc = get_microcode_blob(&uci, false);  in load_ucode_intel_bsp()
410 	if (uci.mc && apply_microcode_early(&uci) == UCODE_UPDATED) {  in load_ucode_intel_bsp()
420 	uci.mc = ucode_patch_va;  in load_ucode_intel_ap()
421 	if (uci.mc)  in load_ucode_intel_ap()
428 	struct ucode_cpu_info uci = { .mc = ucode_patch_va, };  in reload_ucode_intel()
430 	if (uci.mc)  in reload_ucode_intel()
443 	struct microcode_intel *mc = ucode_patch_late;  in apply_microcode_late()  local
450 	ret = __apply_microcode(uci, mc, &cur_rev);  in apply_microcode_late()
493 	u8 *new_mc = NULL, *mc = NULL;  in parse_microcode_blobs()  local
516 		/* For performance reasons, reuse mc area when possible */  in parse_microcode_blobs()
517 		if (!mc || mc_size > curr_mc_size) {  in parse_microcode_blobs()
518 			kvfree(mc);  in parse_microcode_blobs()
519 			mc = kvmalloc(mc_size, GFP_KERNEL);  in parse_microcode_blobs()
520 			if (!mc)  in parse_microcode_blobs()
525 		memcpy(mc, &mc_header, sizeof(mc_header));  in parse_microcode_blobs()
526 		data = mc + sizeof(mc_header);  in parse_microcode_blobs()
528 		    intel_microcode_sanity_check(mc, true, MC_HEADER_TYPE_MICROCODE) < 0)  in parse_microcode_blobs()
534 		if (!intel_find_matching_signature(mc, &uci->cpu_sig))  in parse_microcode_blobs()
543 		new_mc  = mc;  in parse_microcode_blobs()
545 		mc = NULL;  in parse_microcode_blobs()
551 	kvfree(mc);  in parse_microcode_blobs()
559 	kvfree(mc);  in parse_microcode_blobs()