[RFC PATCH 026/105] KVM: selftests: Add a VM backpointer to 'struct vcpu'

From: Sean Christopherson
Date: Fri Mar 11 2022 - 00:53:53 EST


Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
tools/testing/selftests/kvm/include/kvm_util_base.h | 1 +
tools/testing/selftests/kvm/lib/kvm_util.c | 1 +
2 files changed, 2 insertions(+)

diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index f81443666f8c..21020d6a4f01 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -47,6 +47,7 @@ struct vcpu {
struct list_head list;
uint32_t id;
int fd;
+ struct kvm_vm *vm;
struct kvm_run *state;
struct kvm_dirty_gfn *dirty_gfns;
uint32_t fetch_index;
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index e2427b51375d..ed7e2c5b0062 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -1070,6 +1070,7 @@ void vm_vcpu_add(struct kvm_vm *vm, uint32_t vcpuid)
vcpu = calloc(1, sizeof(*vcpu));
TEST_ASSERT(vcpu != NULL, "Insufficient Memory");

+ vcpu->vm = vm;
vcpu->id = vcpuid;
vcpu->fd = __vm_ioctl(vm, KVM_CREATE_VCPU, (void *)(unsigned long)vcpuid);
TEST_ASSERT(vcpu->fd >= 0, KVM_IOCTL_ERROR(KVM_CREATE_VCPU, vcpu->fd));
--
2.35.1.723.g4982287a31-goog