diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 037a917dcc88..c78baaad5661 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -191,7 +191,10 @@ struct kvm_arch { * should) opt in to this feature if KVM_CAP_ARM_NISV_TO_USER is * supported. */ - bool return_nisv_io_abort_to_user; +#define KVM_ARCH_FLAG_RETURN_NISV_IO_ABORT_TO_USER 0 + /* Memory Tagging Extension enabled for the guest */ +#define KVM_ARCH_FLAG_MTE_ENABLED 1 + unsigned long flags; /* * VM-wide PMU filter, implemented as a bitmap and big enough for @@ -203,9 +206,6 @@ struct kvm_arch { u8 pfr0_csv2; u8 pfr0_csv3; - /* Memory Tagging Extension enabled for the guest */ - bool mte_enabled; - struct kvm_protected_vm pkvm; u64 hypercall_exit_enabled; @@ -924,7 +924,9 @@ bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu); #define kvm_arm_vcpu_sve_finalized(vcpu) \ ((vcpu)->arch.flags & KVM_ARM64_VCPU_SVE_FINALIZED) -#define kvm_has_mte(kvm) (system_supports_mte() && (kvm)->arch.mte_enabled) +#define kvm_has_mte(kvm) \ + (system_supports_mte() && \ + test_bit(KVM_ARCH_FLAG_MTE_ENABLED, &(kvm)->arch.flags)) #define kvm_vcpu_has_pmu(vcpu) \ (test_bit(KVM_ARM_VCPU_PMU_V3, (vcpu)->arch.features)) diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c index d712f1786cf0..7f42b4851366 100644 --- a/arch/arm64/kvm/arm.c +++ b/arch/arm64/kvm/arm.c @@ -100,7 +100,8 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm, switch (cap->cap) { case KVM_CAP_ARM_NISV_TO_USER: r = 0; - kvm->arch.return_nisv_io_abort_to_user = true; + set_bit(KVM_ARCH_FLAG_RETURN_NISV_IO_ABORT_TO_USER, + &kvm->arch.flags); break; case KVM_CAP_ARM_MTE: mutex_lock(&kvm->lock); @@ -108,7 +109,7 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm, r = -EINVAL; } else { r = 0; - kvm->arch.mte_enabled = true; + set_bit(KVM_ARCH_FLAG_MTE_ENABLED, &kvm->arch.flags); } mutex_unlock(&kvm->lock); break; diff --git a/arch/arm64/kvm/mmio.c b/arch/arm64/kvm/mmio.c index 3e2d8ba11a02..3dd38a151d2a 100644 --- a/arch/arm64/kvm/mmio.c +++ b/arch/arm64/kvm/mmio.c @@ -135,7 +135,8 @@ int io_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa) * volunteered to do so, and bail out otherwise. */ if (!kvm_vcpu_dabt_isvalid(vcpu)) { - if (vcpu->kvm->arch.return_nisv_io_abort_to_user) { + if (test_bit(KVM_ARCH_FLAG_RETURN_NISV_IO_ABORT_TO_USER, + &vcpu->kvm->arch.flags)) { run->exit_reason = KVM_EXIT_ARM_NISV; run->arm_nisv.esr_iss = kvm_vcpu_dabt_iss_nisv_sanitized(vcpu); run->arm_nisv.fault_ipa = fault_ipa;