kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/include/linux/printk.h
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@@ -45,12 +45,6 @@
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 #define CONSOLE_EXT_LOG_MAX	8192
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-/*
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- * The maximum size of a record formatted for console printing
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- * (i.e. with the prefix prepended to every line).
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- */
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-#define CONSOLE_LOG_MAX		4096
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-
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 /* printk's without a loglevel use this.. */
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 #define MESSAGE_LOGLEVEL_DEFAULT CONFIG_MESSAGE_LOGLEVEL_DEFAULT
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@@ -154,6 +148,18 @@
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 void early_printk(const char *s, ...) { }
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 #endif
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+#ifdef CONFIG_PRINTK_NMI
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+extern void printk_nmi_enter(void);
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+extern void printk_nmi_exit(void);
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+extern void printk_nmi_direct_enter(void);
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+extern void printk_nmi_direct_exit(void);
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+#else
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+static inline void printk_nmi_enter(void) { }
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+static inline void printk_nmi_exit(void) { }
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+static inline void printk_nmi_direct_enter(void) { }
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+static inline void printk_nmi_direct_exit(void) { }
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+#endif /* PRINTK_NMI */
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+
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 struct dev_printk_info;
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 #ifdef CONFIG_PRINTK
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@@ -201,6 +207,8 @@
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 void show_regs_print_info(const char *log_lvl);
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 extern asmlinkage void dump_stack_lvl(const char *log_lvl) __cold;
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 extern asmlinkage void dump_stack(void) __cold;
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+extern void printk_safe_flush(void);
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+extern void printk_safe_flush_on_panic(void);
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 #else
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 static inline __printf(1, 0)
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 int vprintk(const char *s, va_list args)
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@@ -266,6 +274,14 @@
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 }
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 static inline void dump_stack(void)
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+{
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+}
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+
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+static inline void printk_safe_flush(void)
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+{
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+}
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+
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+static inline void printk_safe_flush_on_panic(void)
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 {
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 }
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 #endif
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@@ -484,8 +500,6 @@
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 #define pr_debug_once(fmt, ...)					\
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 	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
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 #endif
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-
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-bool pr_flush(int timeout_ms, bool reset_on_progress);
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 /*
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  * ratelimited messages with local ratelimit_state,