diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 7982cc9d497c..016d997131d4 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -174,11 +174,10 @@ static bool cleanup_symbol_name(char *s)
 	 * LLVM appends various suffixes for local functions and variables that
 	 * must be promoted to global scope as part of LTO.  This can break
 	 * hooking of static functions with kprobes. '.' is not a valid
-	 * character in an identifier in C. Suffixes observed:
+	 * character in an identifier in C. Suffixes only in LLVM LTO observed:
 	 * - foo.llvm.[0-9a-f]+
-	 * - foo.[0-9a-f]+
 	 */
-	res = strchr(s, '.');
+	res = strstr(s, ".llvm.");
 	if (res) {
 		*res = '\0';
 		return true;
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index d387c9381650..16c87938b316 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -349,10 +349,10 @@ static void cleanup_symbol_name(char *s)
 	 * ASCII[_]   = 5f
 	 * ASCII[a-z] = 61,7a
 	 *
-	 * As above, replacing '.' with '\0' does not affect the main sorting,
-	 * but it helps us with subsorting.
+	 * As above, replacing the first '.' in ".llvm." with '\0' does not
+	 * affect the main sorting, but it helps us with subsorting.
 	 */
-	p = strchr(s, '.');
+	p = strstr(s, ".llvm.");
 	if (p)
 		*p = '\0';
 }