When running on nVHE, and that the vcpu supports SVE, map the
SVE state at EL2 so that KVM can access it.
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
---
arch/arm64/kvm/fpsimd.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/kvm/fpsimd.c b/arch/arm64/kvm/fpsimd.c
index b7e36a506d3d..84afca5ed6f2 100644
--- a/arch/arm64/kvm/fpsimd.c
+++ b/arch/arm64/kvm/fpsimd.c
@@ -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) + 1;
+
+ 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:
--
2.29.2
