cpu/microcode/amd.c

97  * microcode patch we found to match.
108  * Microcode patch container file is prepended to the initrd in cpio
184  * Check whether there is a valid, non-truncated microcode patch section at the
187  * On success, @sh_psize returns the patch size according to the section header,
197 		pr_debug("Truncated patch section.\n");
223  * a patch of the indicated @sh_psize (and also whether this size does not
256  * Verify the patch in @buf.
260  * positive: patch is not for this family, skip it
283 	 * Check if the remaining buffer is big enough to contain a patch of
293 		pr_debug("Per-family patch size mismatch.\n");
338 	 * doesn't contain a patch for the CPU, scan through the whole container
360 			 * found a patch already. If so, use it.
374 		/* Skip patch section header too: */
381 	 * If we have found a patch (desc->mc), it means we're looking at the
382 	 * container which has a patch for this CPU so return 0 to mean, @ucode
424 	/* verify patch application was successful */
434  * patch container file in initrd, traverse equivalent cpu table, look for a
435  * matching microcode patch, and update, all in initrd memory in place.
568 				/* we already have the latest patch */
580 	/* no patch found, add it */
637 	 * a patch could have been loaded early, set uci->mc so that
669 	/* need to apply patch? */
741  * we can skip over the next patch. If we return a negative value, we
750 	struct ucode_patch *patch;
758 	patch = kzalloc(sizeof(*patch), GFP_KERNEL);
759 	if (!patch) {
764 	patch->data = kmemdup(fw + SECTION_HDR_SIZE, *patch_size, GFP_KERNEL);
765 	if (!patch->data) {
767 		kfree(patch);
770 	patch->size = *patch_size;
775 	INIT_LIST_HEAD(&patch->plist);
776 	patch->patch_id  = mc_hdr->patch_id;
777 	patch->equiv_cpu = proc_id;
780 		 __func__, patch->patch_id, proc_id);
783 	update_cache(patch);