KVM: selftests: Convert hardware_disable_test to pass around vCPU objects

Pass around 'struct kvm_vcpu' objects in hardware_disable_test instead of
the VM+vcpu_id (called "index" by the test).

Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/tools/testing/selftests/kvm/hardware_disable_test.c b/tools/testing/selftests/kvm/hardware_disable_test.c
index be2763ecb6e7aa079ecf3328d1cfd6701cca500a..59bb43345a3e057b127e3f284b7fcaff1e9810f2 100644 (file)
--- a/tools/testing/selftests/kvm/hardware_disable_test.c
+++ b/tools/testing/selftests/kvm/hardware_disable_test.c
@@ -27,12 +27,6 @@
 
 sem_t *sem;
 
-/* Arguments for the pthreads */
-struct payload {
-       struct kvm_vm *vm;
-       uint32_t index;
-};
-
 static void guest_code(void)
 {
        for (;;)
@@ -42,14 +36,14 @@ static void guest_code(void)
 
 static void *run_vcpu(void *arg)
 {
-       struct payload *payload = (struct payload *)arg;
-       struct kvm_run *state = vcpu_state(payload->vm, payload->index);
+       struct kvm_vcpu *vcpu = arg;
+       struct kvm_run *run = vcpu->run;
 
-       vcpu_run(payload->vm, payload->index);
+       vcpu_run(vcpu->vm, vcpu->id);
 
        TEST_ASSERT(false, "%s: exited with reason %d: %s\n",
-                   __func__, state->exit_reason,
-                   exit_reason_str(state->exit_reason));
+                   __func__, run->exit_reason,
+                   exit_reason_str(run->exit_reason));
        pthread_exit(NULL);
 }
 
@@ -92,11 +86,11 @@ static inline void check_join(pthread_t thread, void **retval)
 
 static void run_test(uint32_t run)
 {
+       struct kvm_vcpu *vcpu;
        struct kvm_vm *vm;
        cpu_set_t cpu_set;
        pthread_t threads[VCPU_NUM];
        pthread_t throw_away;
-       struct payload payloads[VCPU_NUM];
        void *b;
        uint32_t i, j;
 
@@ -108,12 +102,9 @@ static void run_test(uint32_t run)
 
        pr_debug("%s: [%d] start vcpus\n", __func__, run);
        for (i = 0; i < VCPU_NUM; ++i) {
-               vm_vcpu_add(vm, i, guest_code);
-               payloads[i].vm = vm;
-               payloads[i].index = i;
+               vcpu = vm_vcpu_add(vm, i, guest_code);
 
-               check_create_thread(&threads[i], NULL, run_vcpu,
-                                   (void *)&payloads[i]);
+               check_create_thread(&threads[i], NULL, run_vcpu, vcpu);
                check_set_affinity(threads[i], &cpu_set);
 
                for (j = 0; j < SLEEPING_THREAD_NUM; ++j) {