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

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Message-Id: <20220311055056.57265-27-seanjc@google.com>
Date:   Fri, 11 Mar 2022 05:49:37 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     linux-kernel@...r.kernel.org
Cc:     Sean Christopherson <seanjc@...gle.com>
Subject: [RFC PATCH 026/105] KVM: selftests: Add a VM backpointer to 'struct vcpu'

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 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