1 // SPDX-License-Identifier: GPL-2.0
3  * x86-specific extensions to memstress.c.
38 	GUEST_ASSERT(vmx->vmcs_gpa);  in memstress_l1_guest_code()
43 	rsp = &l2_guest_stack[L2_GUEST_STACK_SIZE - 1];  in memstress_l1_guest_code()
55 	 * 513 page tables is enough to identity-map 256 TiB of L2 with 1G  in memstress_nested_pages()
56 	 * pages and 4-level paging, plus a few pages per-vCPU for data  in memstress_nested_pages()
62 void memstress_setup_ept(struct vmx_pages *vmx, struct kvm_vm *vm)  in memstress_setup_ept()  argument
66 	prepare_eptp(vmx, vm, 0);  in memstress_setup_ept()
69 	 * Identity map the first 4G and the test region with 1G pages so that  in memstress_setup_ept()
73 	nested_identity_map_1g(vmx, vm, 0, 0x100000000ULL);  in memstress_setup_ept()
77 	nested_identity_map_1g(vmx, vm, start, end - start);  in memstress_setup_ept()
80 void memstress_setup_nested(struct kvm_vm *vm, int nr_vcpus, struct kvm_vcpu *vcpus[])  in memstress_setup_nested()  argument
91 		vmx = vcpu_alloc_vmx(vm, &vmx_gva);  in memstress_setup_nested()
94 			memstress_setup_ept(vmx, vm);  in memstress_setup_nested()
98 			vmx->eptp = vmx0->eptp;  in memstress_setup_nested()
99 			vmx->eptp_hva = vmx0->eptp_hva;  in memstress_setup_nested()
100 			vmx->eptp_gpa = vmx0->eptp_gpa;  in memstress_setup_nested()