diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/switch.c')
-rw-r--r-- | arch/arm64/kvm/hyp/switch.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index 79f59c98b148..608155f5b856 100644 --- a/arch/arm64/kvm/hyp/switch.c +++ b/arch/arm64/kvm/hyp/switch.c @@ -89,6 +89,7 @@ int __hyp_text __guest_run(struct kvm_vcpu *vcpu) { struct kvm_cpu_context *host_ctxt; struct kvm_cpu_context *guest_ctxt; + bool fp_enabled; u64 exit_code; vcpu = kern_hyp_va(vcpu); @@ -118,6 +119,8 @@ int __hyp_text __guest_run(struct kvm_vcpu *vcpu) exit_code = __guest_enter(vcpu, host_ctxt); /* And we're baaack! */ + fp_enabled = __fpsimd_enabled(); + __sysreg_save_state(guest_ctxt); __sysreg32_save_state(vcpu); __timer_save_state(vcpu); @@ -128,6 +131,11 @@ int __hyp_text __guest_run(struct kvm_vcpu *vcpu) __sysreg_restore_state(host_ctxt); + if (fp_enabled) { + __fpsimd_save_state(&guest_ctxt->gp_regs.fp_regs); + __fpsimd_restore_state(&host_ctxt->gp_regs.fp_regs); + } + __debug_save_state(vcpu, kern_hyp_va(vcpu->arch.debug_ptr), guest_ctxt); __debug_cond_restore_host_state(vcpu); |