diff options
Diffstat (limited to 'virt/kvm/kvm_main.c')
| -rw-r--r-- | virt/kvm/kvm_main.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 4d81f6ded88e..9deb5a245b83 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -674,6 +674,7 @@ out_err_no_irq_srcu: out_err_no_srcu: hardware_disable_all(); out_err_no_disable: + refcount_set(&kvm->users_count, 0); for (i = 0; i < KVM_NR_BUSES; i++) kfree(kvm_get_bus(kvm, i)); for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) @@ -1609,7 +1610,7 @@ int gfn_to_page_many_atomic(struct kvm_memory_slot *slot, gfn_t gfn, struct page **pages, int nr_pages) { unsigned long addr; - gfn_t entry; + gfn_t entry = 0; addr = gfn_to_hva_many(slot, gfn, &entry); if (kvm_is_error_hva(addr)) @@ -1928,6 +1929,7 @@ static int __kvm_gfn_to_hva_cache_init(struct kvm_memslots *slots, * verify that the entire region is valid here. */ while (start_gfn <= end_gfn) { + nr_pages_avail = 0; ghc->memslot = __gfn_to_memslot(slots, start_gfn); ghc->hva = gfn_to_hva_many(ghc->memslot, start_gfn, &nr_pages_avail); @@ -2185,7 +2187,7 @@ bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu) struct swait_queue_head *wqp; wqp = kvm_arch_vcpu_wq(vcpu); - if (swait_active(wqp)) { + if (swq_has_sleeper(wqp)) { swake_up(wqp); ++vcpu->stat.halt_wakeup; return true; @@ -2275,7 +2277,7 @@ static bool kvm_vcpu_eligible_for_directed_yield(struct kvm_vcpu *vcpu) #endif } -void kvm_vcpu_on_spin(struct kvm_vcpu *me) +void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) { struct kvm *kvm = me->kvm; struct kvm_vcpu *vcpu; @@ -2306,6 +2308,8 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me) continue; if (swait_active(&vcpu->wq) && !kvm_arch_vcpu_runnable(vcpu)) continue; + if (yield_to_kernel_mode && !kvm_arch_vcpu_in_kernel(vcpu)) + continue; if (!kvm_vcpu_eligible_for_directed_yield(vcpu)) continue; |