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Diffstat (limited to 'arch/arm64/kvm/reset.c')
-rw-r--r--arch/arm64/kvm/reset.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index 68d1d05672bd..f82fcc614e13 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -32,6 +32,7 @@
/* Maximum phys_shift supported for any VM on this host */
static u32 __ro_after_init kvm_ipa_limit;
+unsigned int __ro_after_init kvm_host_sve_max_vl;
/*
* ARMv8 Reset Values
@@ -51,6 +52,8 @@ int __init kvm_arm_init_sve(void)
{
if (system_supports_sve()) {
kvm_sve_max_vl = sve_max_virtualisable_vl();
+ kvm_host_sve_max_vl = sve_max_vl();
+ kvm_nvhe_sym(kvm_host_sve_max_vl) = kvm_host_sve_max_vl;
/*
* The get_sve_reg()/set_sve_reg() ioctl interface will need
@@ -82,7 +85,7 @@ static void kvm_vcpu_enable_sve(struct kvm_vcpu *vcpu)
* KVM_REG_ARM64_SVE_VLS. Allocation is deferred until
* kvm_arm_vcpu_finalize(), which freezes the configuration.
*/
- vcpu_set_flag(vcpu, GUEST_HAS_SVE);
+ set_bit(KVM_ARCH_FLAG_GUEST_HAS_SVE, &vcpu->kvm->arch.flags);
}
/*
@@ -151,7 +154,6 @@ void kvm_arm_vcpu_destroy(struct kvm_vcpu *vcpu)
{
void *sve_state = vcpu->arch.sve_state;
- kvm_vcpu_unshare_task_fp(vcpu);
kvm_unshare_hyp(vcpu, vcpu + 1);
if (sve_state)
kvm_unshare_hyp(sve_state, sve_state + vcpu_sve_state_size(vcpu));
@@ -165,11 +167,6 @@ static void kvm_vcpu_reset_sve(struct kvm_vcpu *vcpu)
memset(vcpu->arch.sve_state, 0, vcpu_sve_state_size(vcpu));
}
-static void kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)
-{
- vcpu_set_flag(vcpu, GUEST_HAS_PTRAUTH);
-}
-
/**
* kvm_reset_vcpu - sets core registers and sys_regs to reset value
* @vcpu: The VCPU pointer
@@ -199,9 +196,6 @@ void kvm_reset_vcpu(struct kvm_vcpu *vcpu)
vcpu->arch.reset_state.reset = false;
spin_unlock(&vcpu->arch.mp_state_lock);
- /* Reset PMU outside of the non-preemptible section */
- kvm_pmu_vcpu_reset(vcpu);
-
preempt_disable();
loaded = (vcpu->cpu != -1);
if (loaded)
@@ -214,10 +208,6 @@ void kvm_reset_vcpu(struct kvm_vcpu *vcpu)
kvm_vcpu_reset_sve(vcpu);
}
- if (vcpu_has_feature(vcpu, KVM_ARM_VCPU_PTRAUTH_ADDRESS) ||
- vcpu_has_feature(vcpu, KVM_ARM_VCPU_PTRAUTH_GENERIC))
- kvm_vcpu_enable_ptrauth(vcpu);
-
if (vcpu_el1_is_32bit(vcpu))
pstate = VCPU_RESET_PSTATE_SVC;
else if (vcpu_has_nv(vcpu))
@@ -266,6 +256,12 @@ void kvm_reset_vcpu(struct kvm_vcpu *vcpu)
preempt_enable();
}
+u32 kvm_get_pa_bits(struct kvm *kvm)
+{
+ /* Fixed limit until we can configure ID_AA64MMFR0.PARange */
+ return kvm_ipa_limit;
+}
+
u32 get_kvm_ipa_limit(void)
{
return kvm_ipa_limit;