All callers of __vm_create_with_vcpus() pass DEFAULT_GUEST_PHY_PAGES for @slot_mem_pages; drop the param and just hardcode the "default" as the base number of pages for slot0. Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> --- .../selftests/kvm/include/kvm_util_base.h | 9 +++----- .../selftests/kvm/kvm_page_table_test.c | 5 ++--- tools/testing/selftests/kvm/lib/kvm_util.c | 21 +++++++------------ .../selftests/kvm/lib/perf_test_util.c | 4 ++-- 4 files changed, 14 insertions(+), 25 deletions(-) diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index 6fdb2abffcd9..7867f6c7ae2c 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -542,18 +542,15 @@ static inline struct kvm_vm *vm_create(uint64_t nr_pages) return __vm_create(VM_MODE_DEFAULT, nr_pages); } -/* Like vm_create_default_with_vcpus, but accepts mode and slot0 memory as a parameter */ struct kvm_vm *__vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus, - uint64_t slot0_mem_pages, uint64_t extra_mem_pages, - uint32_t num_percpu_pages, void *guest_code, - struct kvm_vcpu *vcpus[]); + uint64_t extra_mem_pages, uint32_t num_percpu_pages, + void *guest_code, struct kvm_vcpu *vcpus[]); static inline struct kvm_vm *vm_create_with_vcpus(uint32_t nr_vcpus, void *guest_code, struct kvm_vcpu *vcpus[]) { - return __vm_create_with_vcpus(VM_MODE_DEFAULT, nr_vcpus, - DEFAULT_GUEST_PHY_PAGES, 0, 0, + return __vm_create_with_vcpus(VM_MODE_DEFAULT, nr_vcpus, 0, 0, guest_code, vcpus); } diff --git a/tools/testing/selftests/kvm/kvm_page_table_test.c b/tools/testing/selftests/kvm/kvm_page_table_test.c index 0f8792aa0366..a68c57572ab4 100644 --- a/tools/testing/selftests/kvm/kvm_page_table_test.c +++ b/tools/testing/selftests/kvm/kvm_page_table_test.c @@ -254,9 +254,8 @@ static struct kvm_vm *pre_init_before_test(enum vm_guest_mode mode, void *arg) /* Create a VM with enough guest pages */ guest_num_pages = test_mem_size / guest_page_size; - vm = __vm_create_with_vcpus(mode, nr_vcpus, DEFAULT_GUEST_PHY_PAGES, - guest_num_pages, 0, guest_code, - test_args.vcpus); + vm = __vm_create_with_vcpus(mode, nr_vcpus, guest_num_pages, 0, + guest_code, test_args.vcpus); /* Align down GPA of the testing memslot */ if (!p->phys_offset) diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index a8af75167b7a..a63acd40bcf5 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -284,7 +284,6 @@ struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t nr_pages) * Input Args: * mode - VM Mode (e.g. VM_MODE_P52V48_4K) * nr_vcpus - VCPU count - * slot0_mem_pages - Slot0 physical memory size * extra_mem_pages - Non-slot0 physical memory total size * num_percpu_pages - Per-cpu physical memory pages * guest_code - Guest entry point @@ -295,15 +294,13 @@ struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t nr_pages) * Return: * Pointer to opaque structure that describes the created VM. * - * Creates a VM with the mode specified by mode (e.g. VM_MODE_P52V48_4K), - * with customized slot0 memory size, at least 512 pages currently. + * Creates a VM with the mode specified by mode (e.g. VM_MODE_P52V48_4K). * extra_mem_pages is only used to calculate the maximum page table size, * no real memory allocation for non-slot0 memory in this function. */ struct kvm_vm *__vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus, - uint64_t slot0_mem_pages, uint64_t extra_mem_pages, - uint32_t num_percpu_pages, void *guest_code, - struct kvm_vcpu *vcpus[]) + uint64_t extra_mem_pages, uint32_t num_percpu_pages, + void *guest_code, struct kvm_vcpu *vcpus[]) { uint64_t vcpu_pages, extra_pg_pages, pages; struct kvm_vm *vm; @@ -311,10 +308,6 @@ struct kvm_vm *__vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus TEST_ASSERT(!nr_vcpus || vcpus, "Must provide vCPU array"); - /* Force slot0 memory size not small than DEFAULT_GUEST_PHY_PAGES */ - if (slot0_mem_pages < DEFAULT_GUEST_PHY_PAGES) - slot0_mem_pages = DEFAULT_GUEST_PHY_PAGES; - /* The maximum page table size for a memory region will be when the * smallest pages are used. Considering each page contains x page * table descriptors, the total extra size for page tables (for extra @@ -322,8 +315,8 @@ struct kvm_vm *__vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus * than N/x*2. */ vcpu_pages = (DEFAULT_STACK_PGS + num_percpu_pages) * nr_vcpus; - extra_pg_pages = (slot0_mem_pages + extra_mem_pages + vcpu_pages) / PTES_PER_MIN_PAGE * 2; - pages = slot0_mem_pages + vcpu_pages + extra_pg_pages; + extra_pg_pages = (DEFAULT_GUEST_PHY_PAGES + extra_mem_pages + vcpu_pages) / PTES_PER_MIN_PAGE * 2; + pages = DEFAULT_GUEST_PHY_PAGES + vcpu_pages + extra_pg_pages; TEST_ASSERT(nr_vcpus <= kvm_check_cap(KVM_CAP_MAX_VCPUS), "nr_vcpus = %d too large for host, max-vcpus = %d", @@ -344,8 +337,8 @@ struct kvm_vm *__vm_create_with_one_vcpu(struct kvm_vcpu **vcpu, struct kvm_vcpu *vcpus[1]; struct kvm_vm *vm; - vm = __vm_create_with_vcpus(VM_MODE_DEFAULT, 1, DEFAULT_GUEST_PHY_PAGES, - extra_mem_pages, 0, guest_code, vcpus); + vm = __vm_create_with_vcpus(VM_MODE_DEFAULT, 1, extra_mem_pages, 0, + guest_code, vcpus); *vcpu = vcpus[0]; return vm; diff --git a/tools/testing/selftests/kvm/lib/perf_test_util.c b/tools/testing/selftests/kvm/lib/perf_test_util.c index f62d773eb29c..656f309584aa 100644 --- a/tools/testing/selftests/kvm/lib/perf_test_util.c +++ b/tools/testing/selftests/kvm/lib/perf_test_util.c @@ -144,8 +144,8 @@ struct kvm_vm *perf_test_create_vm(enum vm_guest_mode mode, int nr_vcpus, * The memory is also added to memslot 0, but that's a benign side * effect as KVM allows aliasing HVAs in meslots. */ - vm = __vm_create_with_vcpus(mode, nr_vcpus, DEFAULT_GUEST_PHY_PAGES, - guest_num_pages, 0, guest_code, vcpus); + vm = __vm_create_with_vcpus(mode, nr_vcpus, guest_num_pages, 0, + guest_code, vcpus); pta->vm = vm; -- 2.36.0.464.gb9c8b46e94-goog