diff options
-rw-r--r-- | arch/x86/kernel/kvm.c | 3 | ||||
-rw-r--r-- | arch/x86/kvm/lapic.c | 2 | ||||
-rw-r--r-- | arch/x86/kvm/mmu.c | 3 | ||||
-rw-r--r-- | virt/kvm/kvm_main.c | 4 |
4 files changed, 6 insertions, 6 deletions
diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index b3e5e51..4180a87 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -247,7 +247,10 @@ do_async_page_fault(struct pt_regs *regs, unsigned long error_code) break; case KVM_PV_REASON_PAGE_NOT_PRESENT: /* page is swapped out by the host. */ + rcu_irq_enter(); + exit_idle(); kvm_async_pf_task_wait((u32)read_cr2()); + rcu_irq_exit(); break; case KVM_PV_REASON_PAGE_READY: rcu_irq_enter(); diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index c6e6b72..43e9fad 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1311,7 +1311,7 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) vcpu->arch.apic_base = value; if (apic_x2apic_mode(apic)) { u32 id = kvm_apic_id(apic); - u32 ldr = ((id & ~0xf) << 16) | (1 << (id & 0xf)); + u32 ldr = ((id >> 4) << 16) | (1 << (id & 0xf)); kvm_apic_set_ldr(apic, ldr); } apic->base_address = apic->vcpu->arch.apic_base & diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index d289fee..6f85fe0 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2497,8 +2497,7 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep, } } - if (!is_error_pfn(pfn)) - kvm_release_pfn_clean(pfn); + kvm_release_pfn_clean(pfn); } static void nonpaging_new_cr3(struct kvm_vcpu *vcpu) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index e59bb63..be70035 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1322,9 +1322,7 @@ EXPORT_SYMBOL_GPL(kvm_release_page_clean); void kvm_release_pfn_clean(pfn_t pfn) { - WARN_ON(is_error_pfn(pfn)); - - if (!kvm_is_mmio_pfn(pfn)) + if (!is_error_pfn(pfn) && !kvm_is_mmio_pfn(pfn)) put_page(pfn_to_page(pfn)); } EXPORT_SYMBOL_GPL(kvm_release_pfn_clean); |