diff options
| author | Avi Kivity <avi@redhat.com> | 2010-06-23 15:26:18 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-08-01 11:47:19 +0400 |
| commit | 3e0075094734de122e4cb09f930fa853a3c59f09 (patch) | |
| tree | 85ba16913603edba8913f31825dff9f13ea0cb4b /arch | |
| parent | 529df65e394e30a78f2633b575fd81fa5b973e30 (diff) | |
| download | linux-3e0075094734de122e4cb09f930fa853a3c59f09.tar.xz | |
KVM: Simplify vcpu_enter_guest() mmu reload logic slightly
No need to reload the mmu in between two different vcpu->requests checks.
kvm_mmu_reload() may trigger KVM_REQ_TRIPLE_FAULT, but that will be caught
during atomic guest entry later.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/x86.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d39d6b25d3e5..27322d341232 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4616,15 +4616,9 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) bool req_int_win = !irqchip_in_kernel(vcpu->kvm) && vcpu->run->request_interrupt_window; - if (vcpu->requests) + if (vcpu->requests) { if (kvm_check_request(KVM_REQ_MMU_RELOAD, vcpu)) kvm_mmu_unload(vcpu); - - r = kvm_mmu_reload(vcpu); - if (unlikely(r)) - goto out; - - if (vcpu->requests) { if (kvm_check_request(KVM_REQ_MIGRATE_TIMER, vcpu)) __kvm_migrate_timers(vcpu); if (kvm_check_request(KVM_REQ_KVMCLOCK_UPDATE, vcpu)) @@ -4649,6 +4643,10 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) } } + r = kvm_mmu_reload(vcpu); + if (unlikely(r)) + goto out; + preempt_disable(); kvm_x86_ops->prepare_guest_switch(vcpu); |