kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/arch/x86/include/asm/signal.h
..
..
@@ -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 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)
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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