disable kernel build waring

hc

2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b

 kernel/include/linux/bottom_half.h
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@@ -4,7 +4,7 @@
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 #include <linux/preempt.h>
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-#if defined(CONFIG_PREEMPT_RT) || defined(CONFIG_TRACE_IRQFLAGS)
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+#ifdef CONFIG_TRACE_IRQFLAGS
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 extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
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 #else
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 static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
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@@ -31,11 +31,5 @@
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 {
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 	__local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
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 }
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-
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-#ifdef CONFIG_PREEMPT_RT
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-extern bool local_bh_blocked(void);
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-#else
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-static inline bool local_bh_blocked(void) { return false; }
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-#endif
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 #endif /* _LINUX_BH_H */