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Diffstat (limited to 'tools/testing/selftests/kvm/set_memory_region_test.c')
-rw-r--r--tools/testing/selftests/kvm/set_memory_region_test.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/tools/testing/selftests/kvm/set_memory_region_test.c b/tools/testing/selftests/kvm/set_memory_region_test.c
index b3ece55a2da6..f127ed31dba7 100644
--- a/tools/testing/selftests/kvm/set_memory_region_test.c
+++ b/tools/testing/selftests/kvm/set_memory_region_test.c
@@ -121,8 +121,6 @@ static struct kvm_vm *spawn_vm(pthread_t *vcpu_thread, void *guest_code)
vm = vm_create_default(VCPU_ID, 0, guest_code);
- vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
-
vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS_THP,
MEM_REGION_GPA, MEM_REGION_SLOT,
MEM_REGION_SIZE / getpagesize(), 0);
@@ -156,14 +154,23 @@ static void guest_code_move_memory_region(void)
GUEST_SYNC(0);
/*
- * Spin until the memory region is moved to a misaligned address. This
- * may or may not trigger MMIO, as the window where the memslot is
- * invalid is quite small.
+ * Spin until the memory region starts getting moved to a
+ * misaligned address.
+ * Every region move may or may not trigger MMIO, as the
+ * window where the memslot is invalid is usually quite small.
*/
val = guest_spin_on_val(0);
GUEST_ASSERT_1(val == 1 || val == MMIO_VAL, val);
- /* Spin until the memory region is realigned. */
+ /* Spin until the misaligning memory region move completes. */
+ val = guest_spin_on_val(MMIO_VAL);
+ GUEST_ASSERT_1(val == 1 || val == 0, val);
+
+ /* Spin until the memory region starts to get re-aligned. */
+ val = guest_spin_on_val(0);
+ GUEST_ASSERT_1(val == 1 || val == MMIO_VAL, val);
+
+ /* Spin until the re-aligning memory region move completes. */
val = guest_spin_on_val(MMIO_VAL);
GUEST_ASSERT_1(val == 1, val);