Commit 0a9a98fd authored by Marc Zyngier's avatar Marc Zyngier
Browse files

KVM: arm64: Map SVE context at EL2 when available 



When running on nVHE, and that the vcpu supports SVE, map the
SVE state at EL2 so that KVM can access it.

Acked-by: default avatarWill Deacon <will@kernel.org>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent 52029198

arch/arm64/kvm/fpsimd.c

+11 −0
Original line number Diff line number Diff line
@@ -43,6 +43,17 @@ int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu) 
	if (ret)

		goto error;



	if (vcpu->arch.sve_state) {

		void *sve_end;



		sve_end = vcpu->arch.sve_state + vcpu_sve_state_size(vcpu);



		ret = create_hyp_mappings(vcpu->arch.sve_state, sve_end,

					  PAGE_HYP);

		if (ret)

			goto error;

	}



	vcpu->arch.host_thread_info = kern_hyp_va(ti);

	vcpu->arch.host_fpsimd_state = kern_hyp_va(fpsimd);

error: