修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/x86/include/asm/signal.h
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@@ -28,19 +28,6 @@
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 #define SA_IA32_ABI	0x02000000u
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 #define SA_X32_ABI	0x01000000u
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-/*
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- * Because some traps use the IST stack, we must keep preemption
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- * disabled while calling do_trap(), but do_trap() may call
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- * force_sig_info() which will grab the signal spin_locks for the
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- * task, which in PREEMPT_RT_FULL are mutexes.  By defining
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- * ARCH_RT_DELAYS_SIGNAL_SEND the force_sig_info() will set
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- * TIF_NOTIFY_RESUME and set up the signal to be sent on exit of the
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- * trap.
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- */
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-#if defined(CONFIG_PREEMPT_RT_FULL)
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-#define ARCH_RT_DELAYS_SIGNAL_SEND
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-#endif
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-
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 #ifndef CONFIG_COMPAT
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 typedef sigset_t compat_sigset_t;
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 #endif
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@@ -48,7 +35,6 @@
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 #endif /* __ASSEMBLY__ */
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 #include <uapi/asm/signal.h>
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 #ifndef __ASSEMBLY__
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-extern void do_signal(struct pt_regs *regs);
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 #define __ARCH_HAS_SA_RESTORER
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