diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/kvm/kvm.h | 10 | ||||
| -rw-r--r-- | drivers/kvm/kvm_main.c | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index ad0813843ad..3b0bc4bda5f 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -624,6 +624,16 @@ void kvm_mmu_unload(struct kvm_vcpu *vcpu); int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run); +static inline void kvm_guest_enter(void) +{ + current->flags |= PF_VCPU; +} + +static inline void kvm_guest_exit(void) +{ + current->flags &= ~PF_VCPU; +} + static inline int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code) { diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 353e58527d1..af2d288c881 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -2046,6 +2046,7 @@ again: kvm_x86_ops->inject_pending_vectors(vcpu, kvm_run); vcpu->guest_mode = 1; + kvm_guest_enter(); if (vcpu->requests) if (test_and_clear_bit(KVM_TLB_FLUSH, &vcpu->requests)) @@ -2053,6 +2054,7 @@ again: kvm_x86_ops->run(vcpu, kvm_run); + kvm_guest_exit(); vcpu->guest_mode = 0; local_irq_enable(); |