add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/ia64/kernel/irq.c
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@@ -25,6 +25,7 @@
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 #include <linux/kernel_stat.h>
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 #include <asm/mca.h>
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+#include <asm/xtp.h>
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 /*
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  * 'what should we do if we get a hw irq event on an illegal vector'.
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@@ -34,18 +35,6 @@
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 {
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 	printk(KERN_ERR "Unexpected irq vector 0x%x on CPU %u!\n", irq, smp_processor_id());
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 }
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-
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-#ifdef CONFIG_IA64_GENERIC
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-ia64_vector __ia64_irq_to_vector(int irq)
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-{
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-	return irq_cfg[irq].vector;
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-}
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-
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-unsigned int __ia64_local_vector_to_irq (ia64_vector vec)
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-{
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-	return __this_cpu_read(vector_irq[vec]);
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-}
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-#endif
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 /*
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  * Interrupt statistics:
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@@ -73,17 +62,6 @@
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 		irq_redir[irq] = (char) (redir & 0xff);
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 	}
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 }
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-
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-bool is_affinity_mask_valid(const struct cpumask *cpumask)
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-{
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-	if (ia64_platform_is("sn2")) {
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-		/* Only allow one CPU to be specified in the smp_affinity mask */
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-		if (cpumask_weight(cpumask) != 1)
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-			return false;
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-	}
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-	return true;
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-}
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-
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 #endif /* CONFIG_SMP */
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 int __init arch_early_irq_init(void)