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| author |   Andrew Jones <drjones@redhat.com> | 2019-05-27 14:30:06 +0200 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2019-06-04 19:29:10 +0200 |
| commit | 2c7c5d3d392d4a9e19e16f2bde76d70e0af741ed (patch) | |
| tree | e2d1029a6f6cf7b9a796eea4673baf58e8119b51 /tools/testing/selftests/kvm/dirty_log_test.c | |
| parent | KVM: X86: Emulate MSR_IA32_MISC_ENABLE MWAIT bit (diff) | |
| download | linux-dev-2c7c5d3d392d4a9e19e16f2bde76d70e0af741ed.tar.xz linux-dev-2c7c5d3d392d4a9e19e16f2bde76d70e0af741ed.zip | |
kvm: selftests: ucall improvements
Make sure we complete the I/O after determining we have a ucall,
which is I/O. Also allow the *uc parameter to optionally be NULL.
It's quite possible that a test case will only care about the
return value, like for example when looping on a check for
UCALL_DONE.
Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/dirty_log_test.c')
| -rw-r--r-- | tools/testing/selftests/kvm/dirty_log_test.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c index fc27f890155b..ceb52b952637 100644 --- a/tools/testing/selftests/kvm/dirty_log_test.c +++ b/tools/testing/selftests/kvm/dirty_log_test.c @@ -121,7 +121,6 @@ static void *vcpu_worker(void *data) uint64_t *guest_array; uint64_t pages_count = 0; struct kvm_run *run; - struct ucall uc; run = vcpu_state(vm, VCPU_ID); @@ -132,7 +131,7 @@ static void *vcpu_worker(void *data) /* Let the guest dirty the random pages */ ret = _vcpu_run(vm, VCPU_ID); TEST_ASSERT(ret == 0, "vcpu_run failed: %d\n", ret); - if (get_ucall(vm, VCPU_ID, &uc) == UCALL_SYNC) { + if (get_ucall(vm, VCPU_ID, NULL) == UCALL_SYNC) { pages_count += TEST_PAGES_PER_LOOP; generate_random_array(guest_array, TEST_PAGES_PER_LOOP); } else { |