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authorDavid Dunn <daviddunn@google.com>2022-02-24 01:57:42 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2022-02-25 16:20:15 +0300
commitf49b8138e62377d1c41ea7ffd55afb093382ee34 (patch)
tree1dcfeb510098ba5dae039947a52dbc5db0185f01 /tools/testing/selftests/kvm
parentba7bb663f5547ef474c98df99a97bb4a13c5715f (diff)
downloadlinux-f49b8138e62377d1c41ea7ffd55afb093382ee34.tar.xz
KVM: selftests: Carve out helper to create "default" VM without vCPUs
Carve out portion of vm_create_default so that selftests can modify a "default" VM prior to creating vcpus. Signed-off-by: David Dunn <daviddunn@google.com> Message-Id: <20220223225743.2703915-3-daviddunn@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm')
-rw-r--r--tools/testing/selftests/kvm/include/kvm_util_base.h3
-rw-r--r--tools/testing/selftests/kvm/lib/kvm_util.c21
2 files changed, 18 insertions, 6 deletions
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index 4ed6aa049a91..f987cf7c0d2e 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -336,6 +336,9 @@ struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus,
uint32_t num_percpu_pages, void *guest_code,
uint32_t vcpuids[]);
+/* Create a default VM without any vcpus. */
+struct kvm_vm *vm_create_without_vcpus(enum vm_guest_mode mode, uint64_t pages);
+
/*
* Adds a vCPU with reasonable defaults (e.g. a stack)
*
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index d8cf851ab119..64618032aa58 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -362,6 +362,20 @@ struct kvm_vm *vm_create(enum vm_guest_mode mode, uint64_t phy_pages, int perm)
return vm;
}
+struct kvm_vm *vm_create_without_vcpus(enum vm_guest_mode mode, uint64_t pages)
+{
+ struct kvm_vm *vm;
+
+ vm = vm_create(mode, pages, O_RDWR);
+
+ kvm_vm_elf_load(vm, program_invocation_name);
+
+#ifdef __x86_64__
+ vm_create_irqchip(vm);
+#endif
+ return vm;
+}
+
/*
* VM Create with customized parameters
*
@@ -412,13 +426,8 @@ struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus,
nr_vcpus, kvm_check_cap(KVM_CAP_MAX_VCPUS));
pages = vm_adjust_num_guest_pages(mode, pages);
- vm = vm_create(mode, pages, O_RDWR);
- kvm_vm_elf_load(vm, program_invocation_name);
-
-#ifdef __x86_64__
- vm_create_irqchip(vm);
-#endif
+ vm = vm_create_without_vcpus(mode, pages);
for (i = 0; i < nr_vcpus; ++i) {
uint32_t vcpuid = vcpuids ? vcpuids[i] : i;