D53663.id166700.diff
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	diff --git a/sys/arm/arm/gic.c b/sys/arm/arm/gic.c
	--- a/sys/arm/arm/gic.c
	+++ b/sys/arm/arm/gic.c
	@@ -517,6 +517,9 @@
	case GIC_IVAR_VGIC:
	*result = 0;
	return (0);
	+ case GIC_IVAR_SUPPORT_LPIS:
	+ *result = false;
	+ return (0);
	}

	return (ENOENT);
	diff --git a/sys/arm/arm/gic_common.h b/sys/arm/arm/gic_common.h
	--- a/sys/arm/arm/gic_common.h
	+++ b/sys/arm/arm/gic_common.h
	@@ -38,6 +38,7 @@
	#define GIC_IVAR_HW_REV 500
	#define GIC_IVAR_BUS 501
	#define GIC_IVAR_VGIC 502
	+#define GIC_IVAR_SUPPORT_LPIS 503

	/* GIC_IVAR_BUS values */
	#define GIC_BUS_UNKNOWN 0
	@@ -48,6 +49,7 @@
	__BUS_ACCESSOR(gic, hw_rev, GIC, HW_REV, u_int);
	__BUS_ACCESSOR(gic, bus, GIC, BUS, u_int);
	__BUS_ACCESSOR(gic, vgic, GIC, VGIC, u_int);
	+__BUS_ACCESSOR(gic, support_lpis, GIC, SUPPORT_LPIS, bool);

	/* Software Generated Interrupts */
	#define GIC_FIRST_SGI 0 /* Irqs 0-15 are SGIs/IPIs. */
	diff --git a/sys/arm64/arm64/gic_v3.c b/sys/arm64/arm64/gic_v3.c
	--- a/sys/arm64/arm64/gic_v3.c
	+++ b/sys/arm64/arm64/gic_v3.c
	@@ -494,6 +494,7 @@
	case GICV3_IVAR_REDIST:
	*result = (uintptr_t)&sc->gic_redists.pcpu[PCPU_GET(cpuid)];
	return (0);
	+ case GIC_IVAR_SUPPORT_LPIS:
	case GICV3_IVAR_SUPPORT_LPIS:
	*result =
	(gic_d_read(sc, 4, GICD_TYPER) & GICD_TYPER_LPIS) != 0;