diff options
Diffstat (limited to 'include/linux/kvm_host.h')
-rw-r--r-- | include/linux/kvm_host.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9efdf5c703a5..8c5c30361b0d 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -239,6 +239,8 @@ struct kvm_irq_routing_table {}; struct kvm_memslots { u64 generation; struct kvm_memory_slot memslots[KVM_MEM_SLOTS_NUM]; + /* The mapping table from slot id to the index in memslots[]. */ + int id_to_index[KVM_MEM_SLOTS_NUM]; }; struct kvm { @@ -341,14 +343,13 @@ static inline struct kvm_memslots *kvm_memslots(struct kvm *kvm) static inline struct kvm_memory_slot * id_to_memslot(struct kvm_memslots *slots, int id) { - int i; + int index = slots->id_to_index[id]; + struct kvm_memory_slot *slot; - for (i = 0; i < KVM_MEM_SLOTS_NUM; i++) - if (slots->memslots[i].id == id) - return &slots->memslots[i]; + slot = &slots->memslots[index]; - WARN_ON(1); - return NULL; + WARN_ON(slot->id != id); + return slot; } #define HPA_MSB ((sizeof(hpa_t) * 8) - 1) |