create-diff-object: ignore .llvm.* sections

Clang FDO adds a new, ignorable ELF section, .llvm.call-graph-profile

Generalize to ignore all .llvm.*

Signed-off-by: Pete Swain <[email protected]>
Signed-off-by: Joe Lawrence <[email protected]> [subject line]

Author: swine

kpatch-build/create-diff-object.c

@@ -2718,7 +2718,8 @@ static void kpatch_mark_ignored_sections(struct kpatch_elf *kelf)
 	list_for_each_entry(sec, &kelf->sections, list) {
 		if (!strncmp(sec->name, ".discard", 8) ||
 		    !strncmp(sec->name, ".rela.discard", 13) ||
-		    !strncmp(sec->name, ".llvm_addrsig", 13))
+		    !strncmp(sec->name, ".llvm_addrsig", 13) ||
+		    !strncmp(sec->name, ".llvm.", 6))
 			sec->ignore = 1;
 	}