Re: [PATCH v16 24/45] KVM: arm64: Expose support for private memory
Ackerley Tng <[email protected]>
| Newsgroups | dev.linux.lists.linux-coco,dev.linux.lists.kvmarm,org.infradead.lists.linux-arm-kernel,org.kernel.vger.kvm,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <CAEvNRgE5O4FcNQDHwh+DWsHH7gLs3qzm+L4ZQ9FHkt=WoTV2Hw@mail.gmail.com> |
Steven Price <[email protected]> writes: > Select KVM_GENERIC_MEMORY_ATTRIBUTES and provide the necessary support > functions. > > Reviewed-by: Suzuki K Poulose <[email protected]> > Signed-off-by: Steven Price <[email protected]> > --- > Changes since v14: > * Switch to guest_memfd in-place memory conversion and drop support > for KVM_VM_MEMORY_ATTRIBUTES. > > [...snip...] > > diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h > index 15d42d1993bb..146c52f867c0 100644 > --- a/arch/arm64/include/asm/kvm_host.h > +++ b/arch/arm64/include/asm/kvm_host.h > @@ -1510,6 +1510,8 @@ struct kvm *kvm_arch_alloc_vm(void); > > #define vcpu_is_protected(vcpu) kvm_vm_is_protected((vcpu)->kvm) > > +#define kvm_arch_has_private_mem(kvm) ((kvm)->arch.is_realm) > + Perhaps related to Fuad's question about pKVM and CCA state: would conditioning this on is_realm mess up pKVM? > int kvm_arm_vcpu_finalize(struct kvm_vcpu *vcpu, int feature); > bool kvm_arm_vcpu_is_finalized(struct kvm_vcpu *vcpu); > > -- > 2.43.0