diff --git a/sys/arm64/arm64/gicv3_its.c b/sys/arm64/arm64/gicv3_its.c
--- a/sys/arm64/arm64/gicv3_its.c
+++ b/sys/arm64/arm64/gicv3_its.c
@@ -41,6 +41,7 @@
 #include <sys/systm.h>
 #include <sys/bus.h>
 #include <sys/cpuset.h>
+#include <sys/domainset.h>
 #include <sys/endian.h>
 #include <sys/kernel.h>
 #include <sys/lock.h>
@@ -245,7 +246,7 @@
 	struct intr_pic *sc_pic;
 	struct resource *sc_its_res;
 
-	cpuset_t	sc_cpus;
+	struct domainset *ds;
 	u_int		gic_irq_cpu;
 
 	struct its_ptable sc_its_ptab[GITS_BASER_NUM];
@@ -385,8 +386,8 @@
 	uint64_t reg, tmp;
 
 	/* Set up the command circular buffer */
-	sc->sc_its_cmd_base = contigmalloc(ITS_CMDQ_SIZE, M_GICV3_ITS,
-	    M_WAITOK | M_ZERO, 0, (1ul << 48) - 1, ITS_CMDQ_ALIGN, 0);
+	sc->sc_its_cmd_base = contigmalloc_domainset(ITS_CMDQ_SIZE, M_GICV3_ITS,
+	    sc->ds, M_WAITOK | M_ZERO, 0, (1ul << 48) - 1, ITS_CMDQ_ALIGN, 0);
 	sc->sc_its_cmd_next_idx = 0;
 
 	cmd_paddr = vtophys(sc->sc_its_cmd_base);
@@ -486,8 +487,8 @@
 		npages = howmany(its_tbl_size, PAGE_SIZE);
 
 		/* Allocate the table */
-		table = (vm_offset_t)contigmalloc(npages * PAGE_SIZE,
-		    M_GICV3_ITS, M_WAITOK | M_ZERO, 0, (1ul << 48) - 1,
+		table = (vm_offset_t)contigmalloc_domainset(npages * PAGE_SIZE,
+		    M_GICV3_ITS, sc->ds, M_WAITOK | M_ZERO, 0, (1ul << 48) - 1,
 		    PAGE_SIZE_64K, 0);
 
 		sc->sc_its_ptab[i].ptab_vaddr = table;
@@ -600,7 +601,7 @@
 	int i;
 
 	for (i = 0; i <= mp_maxid; i++) {
-		if (CPU_ISSET(i, &sc->sc_cpus) == 0)
+		if (CPU_ABSENT(i))
 			continue;
 
 		sc->sc_pend_base[i] = (vm_offset_t)contigmalloc(
@@ -704,8 +705,6 @@
 
 	gicv3 = device_get_parent(dev);
 	cpuid = PCPU_GET(cpuid);
-	if (!CPU_ISSET(cpuid, &sc->sc_cpus))
-		return (0);
 
 	/* Check if the ITS is enabled on this CPU */
 	if ((gic_r_read_4(gicv3, GICR_TYPER) & GICR_TYPER_PLPIS) == 0)
@@ -856,6 +855,12 @@
 		}
 	}
 
+	if (bus_get_domain(dev, &domain) == 0 && domain < MAXMEMDOM) {
+		sc->ds = DOMAINSET_PREF(domain);
+	} else {
+		sc->ds = DOMAINSET_RR();
+	}
+
 	/* Allocate the private tables */
 	err = gicv3_its_table_init(dev, sc);
 	if (err != 0)
@@ -867,22 +872,14 @@
 	/* Protects access to the ITS command circular buffer. */
 	mtx_init(&sc->sc_its_cmd_lock, "ITS cmd lock", NULL, MTX_SPIN);
 
-	CPU_ZERO(&sc->sc_cpus);
-	if (bus_get_domain(dev, &domain) == 0) {
-		if (domain < MAXMEMDOM)
-			CPU_COPY(&cpuset_domain[domain], &sc->sc_cpus);
-	} else {
-		CPU_COPY(&all_cpus, &sc->sc_cpus);
-	}
-
 	/* Allocate the command circular buffer */
 	gicv3_its_cmdq_init(sc);
 
 	/* Allocate the per-CPU collections */
 	for (int cpu = 0; cpu <= mp_maxid; cpu++)
-		if (CPU_ISSET(cpu, &sc->sc_cpus) != 0)
-			sc->sc_its_cols[cpu] = malloc(
-			    sizeof(*sc->sc_its_cols[0]), M_GICV3_ITS,
+		if (!CPU_ABSENT(cpu))
+			sc->sc_its_cols[cpu] = malloc_domainset(
+			    sizeof(*sc->sc_its_cols[0]), M_GICV3_ITS, sc->ds,
 			    M_WAITOK | M_ZERO);
 		else
 			sc->sc_its_cols[cpu] = NULL;
@@ -1042,8 +1039,7 @@
 
 	sc = device_get_softc(dev);
 	if (CPU_EMPTY(&isrc->isrc_cpu)) {
-		sc->gic_irq_cpu = intr_irq_next_cpu(sc->gic_irq_cpu,
-		    &sc->sc_cpus);
+		sc->gic_irq_cpu = intr_irq_next_cpu(sc->gic_irq_cpu, &all_cpus);
 		CPU_SETOF(sc->gic_irq_cpu, &isrc->isrc_cpu);
 	}
 
@@ -1173,9 +1169,9 @@
 	 * PA has to be 256 B aligned. At least two entries for device.
 	 */
 	its_dev->itt_size = roundup2(MAX(nvecs, 2) * esize, 256);
-	its_dev->itt = (vm_offset_t)contigmalloc(its_dev->itt_size,
-	    M_GICV3_ITS, M_NOWAIT | M_ZERO, 0, LPI_INT_TRANS_TAB_MAX_ADDR,
-	    LPI_INT_TRANS_TAB_ALIGN, 0);
+	its_dev->itt = (vm_offset_t)contigmalloc_domainset(its_dev->itt_size,
+	    M_GICV3_ITS, sc->ds, M_NOWAIT | M_ZERO, 0,
+	    LPI_INT_TRANS_TAB_MAX_ADDR, LPI_INT_TRANS_TAB_ALIGN, 0);
 	if (its_dev->itt == 0) {
 		vmem_free(sc->sc_irq_alloc, its_dev->lpis.lpi_base, nvecs);
 		free(its_dev, M_GICV3_ITS);