disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/printk.h
..
..
@@ -627,4 +627,23 @@
627
627
 #define print_hex_dump_bytes(prefix_str, prefix_type, buf, len)	\
628
628
 	print_hex_dump_debug(prefix_str, prefix_type, 16, 1, buf, len, true)
629
629
 
630
+#ifdef CONFIG_PRINTK
631
+extern void __printk_safe_enter(void);
632
+extern void __printk_safe_exit(void);
633
+/*
634
+ * The printk_deferred_enter/exit macros are available only as a hack for
635
+ * some code paths that need to defer all printk console printing. Interrupts
636
+ * must be disabled for the deferred duration.
637
+ */
638
+#define printk_deferred_enter __printk_safe_enter
639
+#define printk_deferred_exit __printk_safe_exit
640
+#else
641
+static inline void printk_deferred_enter(void)
642
+{
643
+}
644
+static inline void printk_deferred_exit(void)
645
+{
646
+}
647
+#endif
648
+
630
649
 #endif