diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c
index 503144f13af0..1830ebc227d1 100644
--- a/arch/arm64/kvm/sys_regs.c
+++ b/arch/arm64/kvm/sys_regs.c
@@ -881,25 +881,18 @@ static bool access_cntp_cval(struct kvm_vcpu *vcpu,
 }
 
 /* Read a sanitised cpufeature ID register by sys_reg_desc */
-static u64 read_id_reg(struct kvm_vcpu *vcpu,
-		       struct sys_reg_desc const *r,
-		       bool raz)
+static u64 read_id_reg(struct sys_reg_desc const *r, bool raz)
 {
 	u32 id = sys_reg((u32)r->Op0, (u32)r->Op1,
 			 (u32)r->CRn, (u32)r->CRm, (u32)r->Op2);
 	u64 val = raz ? 0 : read_sanitised_ftr_reg(id);
 
-	switch (id) {
-	case SYS_ID_AA64DFR0_EL1:
-		if (!kvm_arm_pmu_v3_ready(vcpu))
-			val &= ~(0xfUL << ID_AA64DFR0_PMUVER_SHIFT);
-		break;
-	case SYS_ID_AA64PFR0_EL1:
+	if (id == SYS_ID_AA64PFR0_EL1) {
 		if (val & (0xfUL << ID_AA64PFR0_SVE_SHIFT))
 			pr_err_once("kvm [%i]: SVE unsupported for guests, suppressing\n",
 				    task_pid_nr(current));
+
 		val &= ~(0xfUL << ID_AA64PFR0_SVE_SHIFT);
-		break;
 	}
 
 	return val;
@@ -915,7 +908,7 @@ static bool __access_id_reg(struct kvm_vcpu *vcpu,
 	if (p->is_write)
 		return write_to_read_only(vcpu, p, r);
 
-	p->regval = read_id_reg(vcpu, r, raz);
+	p->regval = read_id_reg(r, raz);
 	return true;
 }
 
@@ -944,17 +937,17 @@ static u64 sys_reg_to_index(const struct sys_reg_desc *reg);
  * are stored, and for set_id_reg() we don't allow the effective value
  * to be changed.
  */
-static int __get_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
-			void __user *uaddr, bool raz)
+static int __get_id_reg(const struct sys_reg_desc *rd, void __user *uaddr,
+			bool raz)
 {
 	const u64 id = sys_reg_to_index(rd);
-	const u64 val = read_id_reg(vcpu, rd, raz);
+	const u64 val = read_id_reg(rd, raz);
 
 	return reg_to_user(uaddr, &val, id);
 }
 
-static int __set_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
-			void __user *uaddr, bool raz)
+static int __set_id_reg(const struct sys_reg_desc *rd, void __user *uaddr,
+			bool raz)
 {
 	const u64 id = sys_reg_to_index(rd);
 	int err;
@@ -965,7 +958,7 @@ static int __set_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 		return err;
 
 	/* This is what we mean by invariant: you can't change it. */
-	if (val != read_id_reg(vcpu, rd, raz))
+	if (val != read_id_reg(rd, raz))
 		return -EINVAL;
 
 	return 0;
@@ -974,25 +967,25 @@ static int __set_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 static int get_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 		      const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	return __get_id_reg(vcpu, rd, uaddr, false);
+	return __get_id_reg(rd, uaddr, false);
 }
 
 static int set_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 		      const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	return __set_id_reg(vcpu, rd, uaddr, false);
+	return __set_id_reg(rd, uaddr, false);
 }
 
 static int get_raz_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 			  const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	return __get_id_reg(vcpu, rd, uaddr, true);
+	return __get_id_reg(rd, uaddr, true);
 }
 
 static int set_raz_id_reg(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 			  const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	return __set_id_reg(vcpu, rd, uaddr, true);
+	return __set_id_reg(rd, uaddr, true);
 }
 
 /* sys_reg_desc initialiser for known cpufeature ID registers */