KVM: selftests: Rename vm_get_page_table_entry() to vm_get_pte()

Shorten the API to get a PTE as the "PTE" acronym is ubiquitous, and the
"page table entry" makes it unnecessarily difficult to quickly understand
what callers are doing.

No functional change intended.

Reviewed-by: Yosry Ahmed <yosry.ahmed@linux.dev>
Link: https://patch.msgid.link/20251230230150.4150236-21-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

Author: sean-jc

tools/testing/selftests/kvm/include/x86/processor.h

@@ -1359,7 +1359,7 @@ static inline bool kvm_is_ignore_msrs(void)
 	return get_kvm_param_bool("ignore_msrs");
 }
 
-uint64_t *vm_get_page_table_entry(struct kvm_vm *vm, uint64_t vaddr);
+uint64_t *vm_get_pte(struct kvm_vm *vm, uint64_t vaddr);
 
 uint64_t kvm_hypercall(uint64_t nr, uint64_t a0, uint64_t a1, uint64_t a2,
 		       uint64_t a3);

tools/testing/selftests/kvm/lib/x86/processor.c

@@ -390,7 +390,7 @@ static uint64_t *__vm_get_page_table_entry(struct kvm_vm *vm,
 	return virt_get_pte(vm, mmu, pte, vaddr, PG_LEVEL_4K);
 }
 
-uint64_t *vm_get_page_table_entry(struct kvm_vm *vm, uint64_t vaddr)
+uint64_t *vm_get_pte(struct kvm_vm *vm, uint64_t vaddr)
 {
 	int level = PG_LEVEL_4K;
 

tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c

@@ -619,7 +619,7 @@ int main(int argc, char *argv[])
 	 */
 	gva = vm_vaddr_unused_gap(vm, NTEST_PAGES * PAGE_SIZE, KVM_UTIL_MIN_VADDR);
 	for (i = 0; i < NTEST_PAGES; i++) {
-		pte = vm_get_page_table_entry(vm, data->test_pages + i * PAGE_SIZE);
+		pte = vm_get_pte(vm, data->test_pages + i * PAGE_SIZE);
 		gpa = addr_hva2gpa(vm, pte);
 		virt_pg_map(vm, gva + PAGE_SIZE * i, gpa & PAGE_MASK);
 		data->test_pages_pte[i] = gva + (gpa & ~PAGE_MASK);

tools/testing/selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c

@@ -47,7 +47,6 @@ int main(int argc, char *argv[])
 	struct kvm_vcpu *vcpu;
 	struct kvm_vm *vm;
 	struct ucall uc;
-	uint64_t *pte;
 	uint64_t *hva;
 	uint64_t gpa;
 	int rc;
@@ -73,8 +72,7 @@ int main(int argc, char *argv[])
 	hva = addr_gpa2hva(vm, MEM_REGION_GPA);
 	memset(hva, 0, PAGE_SIZE);
 
-	pte = vm_get_page_table_entry(vm, MEM_REGION_GVA);
-	*pte |= BIT_ULL(MAXPHYADDR);
+	*vm_get_pte(vm, MEM_REGION_GVA) |= BIT_ULL(MAXPHYADDR);
 
 	vcpu_run(vcpu);