[PATCH v2 133/144] KVM: selftests: Drop vcpu_get(), rename vcpu_find() => vcpu_exists()

Sean Christopherson
2022-06-03T01:01:24Z

Drop vcpu_get() and rename vcpu_find() to vcpu_exists() to make it that
much harder for a test to give meaning to a vCPU ID. I.e. force tests to
capture a vCPU when the vCPU is created.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
.../selftests/kvm/include/kvm_util_base.h | 2 --
tools/testing/selftests/kvm/lib/kvm_util.c | 34 +++++++------------
2 files changed, 13 insertions(+), 23 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index 640634bdba9a..2da9db060378 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -93,8 +93,6 @@ struct kvm_vm {
continue; \
else

-struct kvm_vcpu *vcpu_get(struct kvm_vm *vm, uint32_t vcpu_id);
-
struct userspace_mem_region *
memslot2region(struct kvm_vm *vm, uint32_t memslot);

diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index e08e89174610..8775d7ab39c8 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -459,26 +459,6 @@ kvm_userspace_memory_region_find(struct kvm_vm *vm, uint64_t start,
return &region->region;
}

-static struct kvm_vcpu *vcpu_find(struct kvm_vm *vm, uint32_t vcpu_id)
-{
- struct kvm_vcpu *vcpu;
-
- list_for_each_entry(vcpu, &vm->vcpus, list) {
- if (vcpu->id == vcpu_id)
- return vcpu;
- }
-
- return NULL;
-}
-
-struct kvm_vcpu *vcpu_get(struct kvm_vm *vm, uint32_t vcpu_id)
-{
- struct kvm_vcpu *vcpu = vcpu_find(vm, vcpu_id);
-
- TEST_ASSERT(vcpu, "vCPU %d does not exist", vcpu_id);
- return vcpu;
-}
-
/*
* VM VCPU Remove
*
@@ -1049,6 +1029,18 @@ static int vcpu_mmap_sz(void)
return ret;
}

+static bool vcpu_exists(struct kvm_vm *vm, uint32_t vcpu_id)
+{
+ struct kvm_vcpu *vcpu;
+
+ list_for_each_entry(vcpu, &vm->vcpus, list) {
+ if (vcpu->id == vcpu_id)
+ return true;
+ }
+
+ return false;
+}
+
/*
* Adds a virtual CPU to the VM specified by vm with the ID given by vcpu_id.
* No additional vCPU setup is done. Returns the vCPU.
@@ -1058,7 +1050,7 @@ struct kvm_vcpu *__vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpu_id)
struct kvm_vcpu *vcpu;

/* Confirm a vcpu with the specified id doesn't already exist. */
- TEST_ASSERT(!vcpu_find(vm, vcpu_id), "vCPU%d already exists\n", vcpu_id);
+ TEST_ASSERT(!vcpu_exists(vm, vcpu_id), "vCPU%d already exists\n", vcpu_id);

/* Allocate and initialize new vcpu structure. */
vcpu = calloc(1, sizeof(*vcpu));
--
2.36.1.255.ge46751e96f-goog