diff mbox series

[6/6] KVM: selftests: dirty-log: Use KVM_CAP_DIRTY_LOG_RING_ORDERED of available

Message ID 20220922170133.2617189-7-maz@kernel.org (mailing list archive)
State New, archived
Headers show
Series [1/6] KVM: Use acquire/release semantics when accessing dirty ring GFN state | expand

Commit Message

Marc Zyngier Sept. 22, 2022, 5:01 p.m. UTC 
Pick KVM_CAP_DIRTY_LOG_RING_ORDERED if exposed by the kernel.

Signed-off-by: Marc Zyngier <maz@kernel.org>
---
 tools/testing/selftests/kvm/dirty_log_test.c | 3 ++-
 tools/testing/selftests/kvm/lib/kvm_util.c   | 5 ++++-
 2 files changed, 6 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c
index 3d29f4bf4f9c..30cdda41b8ec 100644
--- a/tools/testing/selftests/kvm/dirty_log_test.c
+++ b/tools/testing/selftests/kvm/dirty_log_test.c
@@ -265,7 +265,8 @@  static void default_after_vcpu_run(struct kvm_vcpu *vcpu, int ret, int err)
 
 static bool dirty_ring_supported(void)
 {
-	return kvm_has_cap(KVM_CAP_DIRTY_LOG_RING);
+	return (kvm_has_cap(KVM_CAP_DIRTY_LOG_RING) ||
+		kvm_has_cap(KVM_CAP_DIRTY_LOG_RING_ORDERED));
 }
 
 static void dirty_ring_create_vm_done(struct kvm_vm *vm)
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 9889fe0d8919..4c031f9fe717 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -82,7 +82,10 @@  unsigned int kvm_check_cap(long cap)
 
 void vm_enable_dirty_ring(struct kvm_vm *vm, uint32_t ring_size)
 {
-	vm_enable_cap(vm, KVM_CAP_DIRTY_LOG_RING, ring_size);
+	if (vm_check_cap(vm, KVM_CAP_DIRTY_LOG_RING_ORDERED))
+		vm_enable_cap(vm, KVM_CAP_DIRTY_LOG_RING_ORDERED, ring_size);
+	else
+		vm_enable_cap(vm, KVM_CAP_DIRTY_LOG_RING, ring_size);
 	vm->dirty_ring_size = ring_size;
 }