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| author |   Marc Zyngier <maz@kernel.org> | 2022-09-26 15:51:20 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-09-29 10:23:08 +0100 |
| commit | 4b3402f1f4d9860301d6d5cd7aff3b67f678d577 (patch) | |
| tree | 45c1f5908d7204e33eeeabe73f541edce2fa1f0d /tools/testing/selftests/kvm | |
| parent | KVM: selftests: dirty-log: Upgrade flag accesses to acquire/release semantics (diff) | |
| download | linux-dev-4b3402f1f4d9860301d6d5cd7aff3b67f678d577.tar.xz linux-dev-4b3402f1f4d9860301d6d5cd7aff3b67f678d577.zip | |
KVM: selftests: dirty-log: Use KVM_CAP_DIRTY_LOG_RING_ACQ_REL if available
Pick KVM_CAP_DIRTY_LOG_RING_ACQ_REL if exposed by the kernel.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Link: https://lore.kernel.org/r/20220926145120.27974-7-maz@kernel.org
Diffstat (limited to 'tools/testing/selftests/kvm')
| -rw-r--r-- | tools/testing/selftests/kvm/dirty_log_test.c | 3 | ||||
| -rw-r--r-- | tools/testing/selftests/kvm/lib/kvm_util.c | 5 |
2 files changed, 6 insertions, 2 deletions
diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c index 53627add8a7c..b5234d6efbe1 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_ACQ_REL)); } 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..411a4c0bc81c 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_ACQ_REL)) + vm_enable_cap(vm, KVM_CAP_DIRTY_LOG_RING_ACQ_REL, ring_size); + else + vm_enable_cap(vm, KVM_CAP_DIRTY_LOG_RING, ring_size); vm->dirty_ring_size = ring_size; } |