diff options
Diffstat (limited to 'arch/riscv/kvm/vcpu.c')
| -rw-r--r-- | arch/riscv/kvm/vcpu.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c index 417e257e05e1..3013ae30c3af 100644 --- a/arch/riscv/kvm/vcpu.c +++ b/arch/riscv/kvm/vcpu.c @@ -619,6 +619,20 @@ static void kvm_riscv_update_hvip(struct kvm_vcpu *vcpu) kvm_riscv_vcpu_aia_update_hvip(vcpu); } +static __always_inline void kvm_riscv_vcpu_swap_in_guest_state(struct kvm_vcpu *vcpu) +{ + struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; + + vcpu->arch.host_senvcfg = csr_swap(CSR_SENVCFG, csr->senvcfg); +} + +static __always_inline void kvm_riscv_vcpu_swap_in_host_state(struct kvm_vcpu *vcpu) +{ + struct kvm_vcpu_csr *csr = &vcpu->arch.guest_csr; + + csr->senvcfg = csr_swap(CSR_SENVCFG, vcpu->arch.host_senvcfg); +} + /* * Actually run the vCPU, entering an RCU extended quiescent state (EQS) while * the vCPU is running. @@ -628,10 +642,12 @@ static void kvm_riscv_update_hvip(struct kvm_vcpu *vcpu) */ static void noinstr kvm_riscv_vcpu_enter_exit(struct kvm_vcpu *vcpu) { + kvm_riscv_vcpu_swap_in_guest_state(vcpu); guest_state_enter_irqoff(); __kvm_riscv_switch_to(&vcpu->arch); vcpu->arch.last_exit_cpu = vcpu->cpu; guest_state_exit_irqoff(); + kvm_riscv_vcpu_swap_in_host_state(vcpu); } int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) |