Merge tag 'bootconfig-fixes-v6.9-rc3' of...

Merge tag 'bootconfig-fixes-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull bootconfig fixes from Masami Hiramatsu:

 - show the original cmdline only once, and only if it was modeified by
   bootconfig

* tag 'bootconfig-fixes-v6.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  fs/proc: Skip bootloader comment if no embedded kernel parameters
  fs/proc: remove redundant comments from /proc/bootconfig

fs/proc/bootconfig.c

@@ -62,12 +62,12 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size)
 				break;
 			dst += ret;
 		}
-		if (ret >= 0 && boot_command_line[0]) {
-			ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",
-				       boot_command_line);
-			if (ret > 0)
-				dst += ret;
-		}
+	}
+	if (cmdline_has_extra_options() && ret >= 0 && boot_command_line[0]) {
+		ret = snprintf(dst, rest(dst, end), "# Parameters from bootloader:\n# %s\n",
+			       boot_command_line);
+		if (ret > 0)
+			dst += ret;
 	}
 out:
 	kfree(key);

include/linux/bootconfig.h

@@ -10,6 +10,7 @@
 #ifdef __KERNEL__
 #include <linux/kernel.h>
 #include <linux/types.h>
+bool __init cmdline_has_extra_options(void);
 #else /* !__KERNEL__ */
 /*
  * NOTE: This is only for tools/bootconfig, because tools/bootconfig will

init/main.c

@@ -487,6 +487,11 @@ static int __init warn_bootconfig(char *str)
 
 early_param("bootconfig", warn_bootconfig);
 
+bool __init cmdline_has_extra_options(void)
+{
+	return extra_command_line || extra_init_args;
+}
+
 /* Change NUL term back to "=", to make "param" the whole string. */
 static void __init repair_env_string(char *param, char *val)
 {