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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/linux/ftrace_irq.h
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@@ -2,15 +2,6 @@
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 #ifndef _LINUX_FTRACE_IRQ_H
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 #define _LINUX_FTRACE_IRQ_H
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-
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-#ifdef CONFIG_FTRACE_NMI_ENTER
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-extern void arch_ftrace_nmi_enter(void);
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-extern void arch_ftrace_nmi_exit(void);
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-#else
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-static inline void arch_ftrace_nmi_enter(void) { }
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-static inline void arch_ftrace_nmi_exit(void) { }
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-#endif
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-
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 #ifdef CONFIG_HWLAT_TRACER
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 extern bool trace_hwlat_callback_enabled;
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 extern void trace_hwlat_callback(bool enter);
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@@ -22,12 +13,10 @@
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 	if (trace_hwlat_callback_enabled)
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 		trace_hwlat_callback(true);
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 #endif
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-	arch_ftrace_nmi_enter();
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 }
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 static inline void ftrace_nmi_exit(void)
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 {
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-	arch_ftrace_nmi_exit();
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 #ifdef CONFIG_HWLAT_TRACER
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 	if (trace_hwlat_callback_enabled)
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 		trace_hwlat_callback(false);