From: Fuad Tabba Date: Tue, 17 Aug 2021 08:11:20 +0000 (+0100) Subject: KVM: arm64: placeholder to check if VM is protected X-Git-Tag: v5.15-rc1~65^2~4^2~1^2~10 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2ea7f655800b00b109951f22539fe2025add210b;p=thirdparty%2Flinux.git KVM: arm64: placeholder to check if VM is protected Add a function to check whether a VM is protected (under pKVM). Since the creation of protected VMs isn't enabled yet, this is a placeholder that always returns false. The intention is for this to become a check for protected VMs in the future (see Will's RFC). No functional change intended. Acked-by: Will Deacon Signed-off-by: Fuad Tabba Signed-off-by: Marc Zyngier Link: https://lore.kernel.org/kvmarm/20210603183347.1695-1-will@kernel.org/ Link: https://lore.kernel.org/r/20210817081134.2918285-2-tabba@google.com --- diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 41911585ae0cf..347781f99b6a6 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -771,6 +771,11 @@ void kvm_arch_free_vm(struct kvm *kvm); int kvm_arm_setup_stage2(struct kvm *kvm, unsigned long type); +static inline bool kvm_vm_is_protected(struct kvm *kvm) +{ + return false; +} + int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature); bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu);