Remove the globally defined vcpu thread, and reuse the one from kvm_vcpu. Also, use the helper functions to create and join the vcpu thread, which has implemented error check (i.e. TEST_ASSERT) inside. Signed-off-by: Wei Wang <wei.w.wang@xxxxxxxxx> --- tools/testing/selftests/kvm/dirty_log_test.c | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c index b5234d6efbe1..9177b8ca004d 100644 --- a/tools/testing/selftests/kvm/dirty_log_test.c +++ b/tools/testing/selftests/kvm/dirty_log_test.c @@ -9,7 +9,6 @@ #include <stdio.h> #include <stdlib.h> -#include <pthread.h> #include <semaphore.h> #include <sys/types.h> #include <signal.h> @@ -188,12 +187,11 @@ enum log_mode_t { static enum log_mode_t host_log_mode_option = LOG_MODE_ALL; /* Logging mode for current run */ static enum log_mode_t host_log_mode; -static pthread_t vcpu_thread; static uint32_t test_dirty_ring_count = TEST_DIRTY_RING_COUNT; -static void vcpu_kick(void) +static void vcpu_kick(struct kvm_vcpu *vcpu) { - pthread_kill(vcpu_thread, SIG_IPI); + pthread_kill(vcpu->thread, SIG_IPI); } /* @@ -315,10 +313,10 @@ static uint32_t dirty_ring_collect_one(struct kvm_dirty_gfn *dirty_gfns, return count; } -static void dirty_ring_wait_vcpu(void) +static void dirty_ring_wait_vcpu(struct kvm_vcpu *vcpu) { /* This makes sure that hardware PML cache flushed */ - vcpu_kick(); + vcpu_kick(vcpu); sem_wait_until(&sem_vcpu_stop); } @@ -336,7 +334,7 @@ static void dirty_ring_collect_dirty_pages(struct kvm_vcpu *vcpu, int slot, uint32_t count = 0, cleared; bool continued_vcpu = false; - dirty_ring_wait_vcpu(); + dirty_ring_wait_vcpu(vcpu); if (!dirty_ring_vcpu_ring_full) { /* @@ -772,7 +770,7 @@ static void run_test(enum vm_guest_mode mode, void *arg) host_clear_count = 0; host_track_next_count = 0; - pthread_create(&vcpu_thread, NULL, vcpu_worker, vcpu); + vcpu_thread_create(vcpu, vcpu_worker, 0); while (iteration < p->iterations) { /* Give the vcpu thread some time to dirty some pages */ @@ -805,7 +803,7 @@ static void run_test(enum vm_guest_mode mode, void *arg) /* Tell the vcpu thread to quit */ host_quit = true; log_mode_before_vcpu_join(); - pthread_join(vcpu_thread, NULL); + vm_vcpu_threads_join(vm); pr_info("Total bits checked: dirty (%"PRIu64"), clear (%"PRIu64"), " "track_next (%"PRIu64")\n", host_dirty_count, host_clear_count, -- 2.27.0