hc
2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a
kernel/include/linux/printk.h
....@@ -627,4 +627,23 @@
627627 #define print_hex_dump_bytes(prefix_str, prefix_type, buf, len) \
628628 print_hex_dump_debug(prefix_str, prefix_type, 16, 1, buf, len, true)
629629
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+#ifdef CONFIG_PRINTK
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+extern void __printk_safe_enter(void);
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+extern void __printk_safe_exit(void);
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+/*
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+ * The printk_deferred_enter/exit macros are available only as a hack for
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+ * some code paths that need to defer all printk console printing. Interrupts
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+ * must be disabled for the deferred duration.
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+ */
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+#define printk_deferred_enter __printk_safe_enter
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+#define printk_deferred_exit __printk_safe_exit
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+#else
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+static inline void printk_deferred_enter(void)
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+{
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+}
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+static inline void printk_deferred_exit(void)
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+{
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+}
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+#endif
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+
630649 #endif