diff mbox series

[v12,61/84] KVM: PPC: Drop unused @kvm_ro param from kvmppc_book3s_instantiate_page()

Message ID 20240726235234.228822-62-seanjc@google.com (mailing list archive)
State Superseded
Headers show
Series KVM: Stop grabbing references to PFNMAP'd pages | expand

Commit Message

Sean Christopherson July 26, 2024, 11:52 p.m. UTC 
Drop @kvm_ro from kvmppc_book3s_instantiate_page() as it is now only
written, and never read.

No functional change intended.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 arch/powerpc/include/asm/kvm_book3s.h  | 2 +-
 arch/powerpc/kvm/book3s_64_mmu_radix.c | 6 ++----
 arch/powerpc/kvm/book3s_hv_nested.c    | 4 +---
 3 files changed, 4 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 3e1e2a698c9e..34e8f0b7b345 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -203,7 +203,7 @@  extern bool kvmppc_hv_handle_set_rc(struct kvm *kvm, bool nested,
 extern int kvmppc_book3s_instantiate_page(struct kvm_vcpu *vcpu,
 				unsigned long gpa,
 				struct kvm_memory_slot *memslot,
-				bool writing, bool kvm_ro,
+				bool writing,
 				pte_t *inserted_pte, unsigned int *levelp);
 extern int kvmppc_init_vm_radix(struct kvm *kvm);
 extern void kvmppc_free_radix(struct kvm *kvm);
diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index 14891d0a3b73..b3e6e73d6a08 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -821,7 +821,7 @@  bool kvmppc_hv_handle_set_rc(struct kvm *kvm, bool nested, bool writing,
 int kvmppc_book3s_instantiate_page(struct kvm_vcpu *vcpu,
 				   unsigned long gpa,
 				   struct kvm_memory_slot *memslot,
-				   bool writing, bool kvm_ro,
+				   bool writing,
 				   pte_t *inserted_pte, unsigned int *levelp)
 {
 	struct kvm *kvm = vcpu->kvm;
@@ -931,7 +931,6 @@  int kvmppc_book3s_radix_page_fault(struct kvm_vcpu *vcpu,
 	struct kvm_memory_slot *memslot;
 	long ret;
 	bool writing = !!(dsisr & DSISR_ISSTORE);
-	bool kvm_ro = false;
 
 	/* Check for unusual errors */
 	if (dsisr & DSISR_UNSUPP_MMU) {
@@ -984,7 +983,6 @@  int kvmppc_book3s_radix_page_fault(struct kvm_vcpu *vcpu,
 					ea, DSISR_ISSTORE | DSISR_PROTFAULT);
 			return RESUME_GUEST;
 		}
-		kvm_ro = true;
 	}
 
 	/* Failed to set the reference/change bits */
@@ -1002,7 +1000,7 @@  int kvmppc_book3s_radix_page_fault(struct kvm_vcpu *vcpu,
 
 	/* Try to insert a pte */
 	ret = kvmppc_book3s_instantiate_page(vcpu, gpa, memslot, writing,
-					     kvm_ro, NULL, NULL);
+					     NULL, NULL);
 
 	if (ret == 0 || ret == -EAGAIN)
 		ret = RESUME_GUEST;
diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c
index 05f5220960c6..771173509617 100644
--- a/arch/powerpc/kvm/book3s_hv_nested.c
+++ b/arch/powerpc/kvm/book3s_hv_nested.c
@@ -1527,7 +1527,6 @@  static long int __kvmhv_nested_page_fault(struct kvm_vcpu *vcpu,
 	unsigned long n_gpa, gpa, gfn, perm = 0UL;
 	unsigned int shift, l1_shift, level;
 	bool writing = !!(dsisr & DSISR_ISSTORE);
-	bool kvm_ro = false;
 	long int ret;
 
 	if (!gp->l1_gr_to_hr) {
@@ -1607,7 +1606,6 @@  static long int __kvmhv_nested_page_fault(struct kvm_vcpu *vcpu,
 					ea, DSISR_ISSTORE | DSISR_PROTFAULT);
 			return RESUME_GUEST;
 		}
-		kvm_ro = true;
 	}
 
 	/* 2. Find the host pte for this L1 guest real address */
@@ -1629,7 +1627,7 @@  static long int __kvmhv_nested_page_fault(struct kvm_vcpu *vcpu,
 	if (!pte_present(pte) || (writing && !(pte_val(pte) & _PAGE_WRITE))) {
 		/* No suitable pte found -> try to insert a mapping */
 		ret = kvmppc_book3s_instantiate_page(vcpu, gpa, memslot,
-					writing, kvm_ro, &pte, &level);
+					writing, &pte, &level);
 		if (ret == -EAGAIN)
 			return RESUME_GUEST;
 		else if (ret)