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-rw-r--r--include/linux/kvm_host.h18
1 files changed, 15 insertions, 3 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 123925cd3ae8..9efdf5c703a5 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -231,8 +231,12 @@ struct kvm_irq_routing_table {};
#define KVM_MEM_SLOTS_NUM (KVM_MEMORY_SLOTS + KVM_PRIVATE_MEM_SLOTS)
#endif
+/*
+ * Note:
+ * memslots are not sorted by id anymore, please use id_to_memslot()
+ * to get the memslot by its id.
+ */
struct kvm_memslots {
- int nmemslots;
u64 generation;
struct kvm_memory_slot memslots[KVM_MEM_SLOTS_NUM];
};
@@ -310,7 +314,8 @@ static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
#define kvm_for_each_memslot(memslot, slots) \
for (memslot = &slots->memslots[0]; \
- memslot < slots->memslots + (slots)->nmemslots; memslot++)
+ memslot < slots->memslots + KVM_MEM_SLOTS_NUM && memslot->npages;\
+ memslot++)
int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id);
void kvm_vcpu_uninit(struct kvm_vcpu *vcpu);
@@ -336,7 +341,14 @@ 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)
{
- return &slots->memslots[id];
+ int i;
+
+ for (i = 0; i < KVM_MEM_SLOTS_NUM; i++)
+ if (slots->memslots[i].id == id)
+ return &slots->memslots[i];
+
+ WARN_ON(1);
+ return NULL;
}
#define HPA_MSB ((sizeof(hpa_t) * 8) - 1)
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