add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/s390/kernel/signal.c
..
..
@@ -472,7 +472,7 @@
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 	current->thread.system_call =
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 		test_pt_regs_flag(regs, PIF_SYSCALL) ? regs->int_code : 0;
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-	if (test_thread_flag(TIF_SIGPENDING) && get_signal(&ksig)) {
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+	if (get_signal(&ksig)) {
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 		/* Whee!  Actually deliver the signal.  */
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 		if (current->thread.system_call) {
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 			regs->int_code = current->thread.system_call;