add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/powerpc/kernel/hw_breakpoint.c
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@@ -479,11 +479,13 @@
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 	struct arch_hw_breakpoint *info;
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 	int i;
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+	preempt_disable();
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+
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 	for (i = 0; i < nr_wp_slots(); i++) {
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 		if (unlikely(tsk->thread.last_hit_ubp[i]))
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 			goto reset;
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 	}
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-	return;
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+	goto out;
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 reset:
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 	regs->msr &= ~MSR_SE;
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@@ -492,6 +494,9 @@
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 		__set_breakpoint(i, info);
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 		tsk->thread.last_hit_ubp[i] = NULL;
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 	}
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+
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+out:
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+	preempt_enable();
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 }
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 static bool is_larx_stcx_instr(int type)