diff --git a/tests/test-x86-cpuid.c b/tests/test-x86-cpuid.c
index 1942287f33..00553c1d77 100644
--- a/tests/test-x86-cpuid.c
+++ b/tests/test-x86-cpuid.c
@@ -28,79 +28,100 @@
 
 static void test_topo_bits(void)
 {
+    X86CPUTopoInfo topo_info = {0};
+
     /* simple tests for 1 thread per core, 1 core per die, 1 die per package */
-    g_assert_cmpuint(apicid_smt_width(1, 1, 1), ==, 0);
-    g_assert_cmpuint(apicid_core_width(1, 1, 1), ==, 0);
-    g_assert_cmpuint(apicid_die_width(1, 1, 1), ==, 0);
+    topo_info = (X86CPUTopoInfo) {0, 1, 1, 1};
+    g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 0);
+    g_assert_cmpuint(apicid_core_width(&topo_info), ==, 0);
+    g_assert_cmpuint(apicid_die_width(&topo_info), ==, 0);
 
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 1, 1, 0), ==, 0);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 1, 1, 1), ==, 1);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 1, 1, 2), ==, 2);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 1, 1, 3), ==, 3);
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 0), ==, 0);
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1), ==, 1);
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2), ==, 2);
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 3), ==, 3);
 
 
     /* Test field width calculation for multiple values
      */
-    g_assert_cmpuint(apicid_smt_width(1, 1, 2), ==, 1);
-    g_assert_cmpuint(apicid_smt_width(1, 1, 3), ==, 2);
-    g_assert_cmpuint(apicid_smt_width(1, 1, 4), ==, 2);
-
-    g_assert_cmpuint(apicid_smt_width(1, 1, 14), ==, 4);
-    g_assert_cmpuint(apicid_smt_width(1, 1, 15), ==, 4);
-    g_assert_cmpuint(apicid_smt_width(1, 1, 16), ==, 4);
-    g_assert_cmpuint(apicid_smt_width(1, 1, 17), ==, 5);
-
-
-    g_assert_cmpuint(apicid_core_width(1, 30, 2), ==, 5);
-    g_assert_cmpuint(apicid_core_width(1, 31, 2), ==, 5);
-    g_assert_cmpuint(apicid_core_width(1, 32, 2), ==, 5);
-    g_assert_cmpuint(apicid_core_width(1, 33, 2), ==, 6);
-
-    g_assert_cmpuint(apicid_die_width(1, 30, 2), ==, 0);
-    g_assert_cmpuint(apicid_die_width(2, 30, 2), ==, 1);
-    g_assert_cmpuint(apicid_die_width(3, 30, 2), ==, 2);
-    g_assert_cmpuint(apicid_die_width(4, 30, 2), ==, 2);
+    topo_info = (X86CPUTopoInfo) {0, 1, 1, 2};
+    g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 1);
+    topo_info = (X86CPUTopoInfo) {0, 1, 1, 3};
+    g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 2);
+    topo_info = (X86CPUTopoInfo) {0, 1, 1, 4};
+    g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 2);
+
+    topo_info = (X86CPUTopoInfo) {0, 1, 1, 14};
+    g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 4);
+    topo_info = (X86CPUTopoInfo) {0, 1, 1, 15};
+    g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 4);
+    topo_info = (X86CPUTopoInfo) {0, 1, 1, 16};
+    g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 4);
+    topo_info = (X86CPUTopoInfo) {0, 1, 1, 17};
+    g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 5);
+
+
+    topo_info = (X86CPUTopoInfo) {0, 1, 30, 2};
+    g_assert_cmpuint(apicid_core_width(&topo_info), ==, 5);
+    topo_info = (X86CPUTopoInfo) {0, 1, 31, 2};
+    g_assert_cmpuint(apicid_core_width(&topo_info), ==, 5);
+    topo_info = (X86CPUTopoInfo) {0, 1, 32, 2};
+    g_assert_cmpuint(apicid_core_width(&topo_info), ==, 5);
+    topo_info = (X86CPUTopoInfo) {0, 1, 33, 2};
+    g_assert_cmpuint(apicid_core_width(&topo_info), ==, 6);
+
+    topo_info = (X86CPUTopoInfo) {0, 1, 30, 2};
+    g_assert_cmpuint(apicid_die_width(&topo_info), ==, 0);
+    topo_info = (X86CPUTopoInfo) {0, 2, 30, 2};
+    g_assert_cmpuint(apicid_die_width(&topo_info), ==, 1);
+    topo_info = (X86CPUTopoInfo) {0, 3, 30, 2};
+    g_assert_cmpuint(apicid_die_width(&topo_info), ==, 2);
+    topo_info = (X86CPUTopoInfo) {0, 4, 30, 2};
+    g_assert_cmpuint(apicid_die_width(&topo_info), ==, 2);
 
     /* build a weird topology and see if IDs are calculated correctly
      */
 
     /* This will use 2 bits for thread ID and 3 bits for core ID
      */
-    g_assert_cmpuint(apicid_smt_width(1, 6, 3), ==, 2);
-    g_assert_cmpuint(apicid_core_offset(1, 6, 3), ==, 2);
-    g_assert_cmpuint(apicid_die_offset(1, 6, 3), ==, 5);
-    g_assert_cmpuint(apicid_pkg_offset(1, 6, 3), ==, 5);
-
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 0), ==, 0);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 1), ==, 1);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 2), ==, 2);
-
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 1 * 3 + 0), ==,
+    topo_info = (X86CPUTopoInfo) {0, 1, 6, 3};
+    g_assert_cmpuint(apicid_smt_width(&topo_info), ==, 2);
+    g_assert_cmpuint(apicid_core_offset(&topo_info), ==, 2);
+    g_assert_cmpuint(apicid_die_offset(&topo_info), ==, 5);
+    g_assert_cmpuint(apicid_pkg_offset(&topo_info), ==, 5);
+
+    topo_info = (X86CPUTopoInfo) {0, 1, 6, 3};
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 0), ==, 0);
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1), ==, 1);
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2), ==, 2);
+
+    topo_info = (X86CPUTopoInfo) {0, 1, 6, 3};
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1 * 3 + 0), ==,
                      (1 << 2) | 0);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 1 * 3 + 1), ==,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1 * 3 + 1), ==,
                      (1 << 2) | 1);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 1 * 3 + 2), ==,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 1 * 3 + 2), ==,
                      (1 << 2) | 2);
 
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 2 * 3 + 0), ==,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2 * 3 + 0), ==,
                      (2 << 2) | 0);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 2 * 3 + 1), ==,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2 * 3 + 1), ==,
                      (2 << 2) | 1);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 2 * 3 + 2), ==,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 2 * 3 + 2), ==,
                      (2 << 2) | 2);
 
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 5 * 3 + 0), ==,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 5 * 3 + 0), ==,
                      (5 << 2) | 0);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 5 * 3 + 1), ==,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 5 * 3 + 1), ==,
                      (5 << 2) | 1);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3, 5 * 3 + 2), ==,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info, 5 * 3 + 2), ==,
                      (5 << 2) | 2);
 
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info,
                      1 * 6 * 3 + 0 * 3 + 0), ==, (1 << 5));
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info,
                      1 * 6 * 3 + 1 * 3 + 1), ==, (1 << 5) | (1 << 2) | 1);
-    g_assert_cmpuint(x86_apicid_from_cpu_idx(1, 6, 3,
+    g_assert_cmpuint(x86_apicid_from_cpu_idx(&topo_info,
                      3 * 6 * 3 + 5 * 3 + 2), ==, (3 << 5) | (5 << 2) | 2);
 }
 
