diff options
Diffstat (limited to 'arch/arm64/kvm/reset.c')
-rw-r--r-- | arch/arm64/kvm/reset.c | 24 |
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; |