[PATCH 5/5] KVM: selftests: Test private access to deleted memslot with quirk disabled
From: Yan Zhao
Date: Thu Jun 13 2024 - 02:13:21 EST
Update private_mem_kvm_exits_test to make sure private access to deleted
memslot functional both when quirk KVM_X86_QUIRK_SLOT_ZAP_ALL is enabled
and disabled.
Signed-off-by: Yan Zhao <yan.y.zhao@xxxxxxxxx>
---
.../selftests/kvm/x86_64/private_mem_kvm_exits_test.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/kvm/x86_64/private_mem_kvm_exits_test.c b/tools/testing/selftests/kvm/x86_64/private_mem_kvm_exits_test.c
index 13e72fcec8dd..a4d304fce294 100644
--- a/tools/testing/selftests/kvm/x86_64/private_mem_kvm_exits_test.c
+++ b/tools/testing/selftests/kvm/x86_64/private_mem_kvm_exits_test.c
@@ -44,7 +44,7 @@ const struct vm_shape protected_vm_shape = {
.type = KVM_X86_SW_PROTECTED_VM,
};
-static void test_private_access_memslot_deleted(void)
+static void test_private_access_memslot_deleted(bool disable_slot_zap_quirk)
{
struct kvm_vm *vm;
struct kvm_vcpu *vcpu;
@@ -55,6 +55,9 @@ static void test_private_access_memslot_deleted(void)
vm = vm_create_shape_with_one_vcpu(protected_vm_shape, &vcpu,
guest_repeatedly_read);
+ if (disable_slot_zap_quirk)
+ vm_enable_cap(vm, KVM_CAP_DISABLE_QUIRKS2, KVM_X86_QUIRK_SLOT_ZAP_ALL);
+
vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS,
EXITS_TEST_GPA, EXITS_TEST_SLOT,
EXITS_TEST_NPAGES,
@@ -115,6 +118,10 @@ int main(int argc, char *argv[])
{
TEST_REQUIRE(kvm_check_cap(KVM_CAP_VM_TYPES) & BIT(KVM_X86_SW_PROTECTED_VM));
- test_private_access_memslot_deleted();
+ test_private_access_memslot_deleted(false);
+
+ if (kvm_check_cap(KVM_CAP_DISABLE_QUIRKS2) & KVM_X86_QUIRK_SLOT_ZAP_ALL)
+ test_private_access_memslot_deleted(true);
+
test_private_access_memslot_not_private();
}
--
2.43.2