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Signed-off-by: Sean Christopherson --- .../selftests/kvm/hardware_disable_test.c | 41 +++++++------------ 1 file changed, 14 insertions(+), 27 deletions(-) diff --git a/tools/testing/selftests/kvm/hardware_disable_test.c b/tools/testing/selftests/kvm/hardware_disable_test.c index fcc06c602fca..de8e63da7b58 100644 --- a/tools/testing/selftests/kvm/hardware_disable_test.c +++ b/tools/testing/selftests/kvm/hardware_disable_test.c @@ -15,6 +15,7 @@ #include #include "kvm_util.h" +#include "ucall_common.h" #define VCPU_NUM 4 #define SLEEPING_THREAD_NUM (1 << 4) @@ -28,7 +29,7 @@ static void guest_code(void) { for (;;) ; /* Some busy work */ - printf("Should not be reached.\n"); + GUEST_ASSERT(0); } static void *run_vcpu(void *arg) @@ -42,10 +43,8 @@ static void *run_vcpu(void *arg) vcpu_run(vcpu); - TEST_ASSERT(false, "%s: exited with reason %d: %s", - __func__, run->exit_reason, - exit_reason_str(run->exit_reason)); - pthread_exit(NULL); + TEST_FAIL("vCPU%d exited with reason %d: %s", + vcpu->id, run->exit_reason, exit_reason_str(run->exit_reason)); } static void *sleeping_thread(void *arg) @@ -56,12 +55,11 @@ static void *sleeping_thread(void *arg) kvm_sched_setaffinity(0, sizeof(cpu_set_t), &threads_cpu_set); #endif - while (true) { + while (1) { fd = open("/dev/null", O_RDWR); close(fd); } - TEST_ASSERT(false, "%s: exited", __func__); - pthread_exit(NULL); + TEST_FAIL("%s: exited", __func__); } static inline void check_create_thread(pthread_t *thread, pthread_attr_t *attr, @@ -73,22 +71,12 @@ static inline void check_create_thread(pthread_t *thread, pthread_attr_t *attr, TEST_ASSERT(r == 0, "%s: failed to create thread", __func__); } -static inline void check_join(pthread_t thread, void **retval) -{ - int r; - - r = pthread_join(thread, retval); - TEST_ASSERT(r == 0, "%s: failed to join thread", __func__); -} - static void run_test(u32 run) { struct kvm_vcpu *vcpu; pthread_attr_t attr; struct kvm_vm *vm; - pthread_t threads[VCPU_NUM]; - pthread_t throw_away; - void *b; + pthread_t thread; u32 i, j; TEST_ASSERT_EQ(pthread_attr_init(&attr), 0); @@ -102,19 +90,18 @@ static void run_test(u32 run) for (i = 0; i < VCPU_NUM; ++i) { vcpu = vm_vcpu_add(vm, i, guest_code); - check_create_thread(&threads[i], &attr, run_vcpu, vcpu); + check_create_thread(&thread, &attr, run_vcpu, vcpu); - for (j = 0; j < SLEEPING_THREAD_NUM; ++j) { - check_create_thread(&throw_away, &attr, sleeping_thread, + for (j = 0; j < SLEEPING_THREAD_NUM; ++j) + check_create_thread(&thread, &attr, sleeping_thread, (void *)NULL); - } } pr_debug("%s: [%d] all threads launched\n", __func__, run); sem_post(sem); - for (i = 0; i < VCPU_NUM; ++i) - check_join(threads[i], &b); - /* Should not be reached */ - TEST_ASSERT(false, "%s: [%d] child escaped the ninja", __func__, run); + + /* Wait for the parent to SIGKILL this child. */ + while (1) + pause(); } void wait_for_child_setup(pid_t pid) -- 2.55.0.508.g3f0d502094-goog