linux-kernel - [PATCH v4 20/21] KVM: selftests: Rename vm_get_page_table_entry() to vm_get

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Message-ID: <20251230230150.4150236-21-seanjc@google.com>
Date: Tue, 30 Dec 2025 15:01:49 -0800
From: Sean Christopherson <seanjc@...gle.com>
To: Paolo Bonzini <pbonzini@...hat.com>, Marc Zyngier <maz@...nel.org>, 
	Oliver Upton <oupton@...nel.org>, Tianrui Zhao <zhaotianrui@...ngson.cn>, 
	Bibo Mao <maobibo@...ngson.cn>, Huacai Chen <chenhuacai@...nel.org>, 
	Anup Patel <anup@...infault.org>, Paul Walmsley <pjw@...nel.org>, 
	Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
	Christian Borntraeger <borntraeger@...ux.ibm.com>, Janosch Frank <frankja@...ux.ibm.com>, 
	Claudio Imbrenda <imbrenda@...ux.ibm.com>, Sean Christopherson <seanjc@...gle.com>
Cc: kvm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	kvmarm@...ts.linux.dev, loongarch@...ts.linux.dev, 
	kvm-riscv@...ts.infradead.org, linux-riscv@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, Yosry Ahmed <yosry.ahmed@...ux.dev>
Subject: [PATCH v4 20/21] 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.

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 tools/testing/selftests/kvm/include/x86/processor.h           | 2 +-
 tools/testing/selftests/kvm/lib/x86/processor.c               | 2 +-
 tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c            | 2 +-
 .../selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c     | 4 +---
 4 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h
index 7b7d962244d6..ab29b1c7ed2d 100644
--- a/tools/testing/selftests/kvm/include/x86/processor.h
+++ b/tools/testing/selftests/kvm/include/x86/processor.h
@@ -1357,7 +1357,7 @@ 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);
diff --git a/tools/testing/selftests/kvm/lib/x86/processor.c b/tools/testing/selftests/kvm/lib/x86/processor.c
index 5a3385d48902..ab869a98bbdc 100644
--- a/tools/testing/selftests/kvm/lib/x86/processor.c
+++ b/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;
 
diff --git a/tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c b/tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c
index a3b7ce155981..c542cc4762b1 100644
--- a/tools/testing/selftests/kvm/x86/hyperv_tlb_flush.c
+++ b/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);
diff --git a/tools/testing/selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c b/tools/testing/selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c
index fabeeaddfb3a..0e8aec568010 100644
--- a/tools/testing/selftests/kvm/x86/smaller_maxphyaddr_emulation_test.c
+++ b/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);
 
-- 
2.52.0.351.gbe84eed79e-goog