D25693.diff
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	Index: head/sys/kern/subr_intr.c
	===================================================================
	--- head/sys/kern/subr_intr.c
	+++ head/sys/kern/subr_intr.c
	@@ -128,8 +128,12 @@
	u_int irq_next_free;

	#ifdef SMP
	-static boolean_t irq_assign_cpu = FALSE;
	+#ifdef EARLY_AP_STARTUP
	+static bool irq_assign_cpu = true;
	+#else
	+static bool irq_assign_cpu = false;
	#endif
	+#endif

	/*
	* - 2 counters for each I/O interrupt.
	@@ -1191,6 +1195,7 @@
	return (last_cpu);
	}

	+#ifndef EARLY_AP_STARTUP
	/*
	* Distribute all the interrupt sources among the available
	* CPUs once the AP's have been launched.
	@@ -1205,7 +1210,7 @@
	return;

	mtx_lock(&isrc_table_lock);
	- irq_assign_cpu = TRUE;
	+ irq_assign_cpu = true;
	for (i = 0; i < NIRQ; i++) {
	isrc = irq_sources[i];
	if (isrc == NULL \|\| isrc->isrc_handlers == 0 \|\|
	@@ -1231,6 +1236,7 @@
	mtx_unlock(&isrc_table_lock);
	}
	SYSINIT(intr_irq_shuffle, SI_SUB_SMP, SI_ORDER_SECOND, intr_irq_shuffle, NULL);
	+#endif /* !EARLY_AP_STARTUP */

	#else
	u_int
	@@ -1239,7 +1245,7 @@

	return (PCPU_GET(cpuid));
	}
	-#endif
	+#endif /* SMP */

	/*
	* Allocate memory for new intr_map_data structure.
	Index: head/sys/riscv/riscv/plic.c
	===================================================================
	--- head/sys/riscv/riscv/plic.c
	+++ head/sys/riscv/riscv/plic.c
	@@ -408,8 +408,7 @@
	sc = device_get_softc(dev);
	src = (struct plic_irqsrc *)isrc;

	- /* Bind to the boot CPU for now. */
	- CPU_SET(PCPU_GET(cpuid), &isrc->isrc_cpu);
	+ CPU_ZERO(&isrc->isrc_cpu);
	plic_bind_intr(dev, isrc);

	return (0);