125  * microcode patch we found to match.
135  * Microcode patch container file is prepended to the initrd in cpio
146  * 2. To match which patches to load because the patch revision ID
253 		pr_err("No sha256 digest for patch ID: 0x%x found\n", patch_id);  in verify_sha256_digest()
260 		pr_err("Patch 0x%x SHA256 digest mismatch!\n", patch_id);  in verify_sha256_digest()
391  * Check whether there is a valid, non-truncated microcode patch section at the
394  * On success, @sh_psize returns the patch size according to the section header,
403 		ucode_dbg("Truncated patch section.\n");  in __verify_patch_section()
418 		ucode_dbg("Patch of size %u too short.\n", p_size);  in __verify_patch_section()
429  * a patch of the indicated @sh_psize (and also whether this size does not
465  * Verify the patch in @buf.
469  * positive: patch is not for this family, skip it
491 	 * Check if the remaining buffer is big enough to contain a patch of  in verify_patch()
495 		ucode_dbg("Patch of size %u truncated.\n", sh_psize);  in verify_patch()
500 		ucode_dbg("Per-family patch size mismatch.\n");  in verify_patch()
508 		pr_err("Patch-ID 0x%08x: chipset-specific code unsupported.\n", mc_hdr->patch_id);  in verify_patch()
515 	ucode_dbg("Patch-ID 0x%08x: family: 0x%x\n", mc_hdr->patch_id, patch_fam);  in verify_patch()
557 	 * doesn't contain a patch for the CPU, scan through the whole container  in parse_container()
577 			 * Patch verification failed, skip to the next container, if  in parse_container()
579 			 * found a patch already. If so, use it.  in parse_container()
598 		/* Skip patch section header too: */  in parse_container()
605 	 * If we have found a patch (desc->mc), it means we're looking at the  in parse_container()
606 	 * container which has a patch for this CPU so return 0 to mean, @ucode  in parse_container()
658 		 * Flush next page too if patch image is crossing a page  in __apply_microcode_amd()
668 	/* verify patch application was successful */  in __apply_microcode_amd()
718  * patch container file in initrd, traverse equivalent cpu table, look for a
719  * matching microcode patch, and update, all in initrd memory in place.
774 	/* Zen and newer hardcode the f/m/s in the patch ID */  in patch_cpus_equivalent()
810 	/* Zen and newer hardcode the f/m/s in the patch ID */  in patch_newer()
837 				/* we already have the latest patch */  in update_cache()
849 	/* no patch found, add it */  in update_cache()
908 	 * a patch could have been loaded early, set uci->mc so that  in collect_cpu_info_amd()
940 	/* need to apply patch? */  in apply_microcode_amd()
1020  * we can skip over the next patch. If we return a negative value, we
1029 	struct ucode_patch *patch;  in verify_and_add_patch()  local
1037 	patch = kzalloc(sizeof(*patch), GFP_KERNEL);  in verify_and_add_patch()
1038 	if (!patch) {  in verify_and_add_patch()
1039 		pr_err("Patch allocation failure.\n");  in verify_and_add_patch()
1043 	patch->data = kmemdup(fw + SECTION_HDR_SIZE, *patch_size, GFP_KERNEL);  in verify_and_add_patch()
1044 	if (!patch->data) {  in verify_and_add_patch()
1045 		pr_err("Patch data allocation failure.\n");  in verify_and_add_patch()
1046 		kfree(patch);  in verify_and_add_patch()
1049 	patch->size = *patch_size;  in verify_and_add_patch()
1054 	INIT_LIST_HEAD(&patch->plist);  in verify_and_add_patch()
1055 	patch->patch_id  = mc_hdr->patch_id;  in verify_and_add_patch()
1056 	patch->equiv_cpu = proc_id;  in verify_and_add_patch()
1059 		 __func__, patch->patch_id, proc_id);  in verify_and_add_patch()
1062 	update_cache(patch);  in verify_and_add_patch()