enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/arch/x86/include/asm/sighandling.h
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@@ -14,7 +14,5 @@
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 			 X86_EFLAGS_CF | X86_EFLAGS_RF)
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 void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
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-int setup_sigcontext(struct sigcontext __user *sc, void __user *fpstate,
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-		     struct pt_regs *regs, unsigned long mask);
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 #endif /* _ASM_X86_SIGHANDLING_H */