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KVM: cleanup memslot_id function

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We can get memslot id from memslot->id directly

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Xiao Guangrong 2011-03-09 15:41:59 +08:00 committed by Avi Kivity
parent 9f381a61f5
commit 0ee8dcb87e
2 changed files with 5 additions and 18 deletions
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6
include/linux/kvm_host.h
View file

@ -365,7 +365,6 @@ pfn_t gfn_to_pfn_prot(struct kvm *kvm, gfn_t gfn, bool write_fault,
bool *writable);
pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
struct kvm_memory_slot *slot, gfn_t gfn);
int memslot_id(struct kvm *kvm, gfn_t gfn);
void kvm_release_pfn_dirty(pfn_t);
void kvm_release_pfn_clean(pfn_t pfn);
void kvm_set_pfn_dirty(pfn_t pfn);
@ -597,6 +596,11 @@ static inline void kvm_guest_exit(void)
current->flags &= ~PF_VCPU;
}
static inline int memslot_id(struct kvm *kvm, gfn_t gfn)
{
return gfn_to_memslot(kvm, gfn)->id;
}
static inline unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot,
gfn_t gfn)
{

17
virt/kvm/kvm_main.c
View file

@ -996,23 +996,6 @@ unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn)
return size;
}
int memslot_id(struct kvm *kvm, gfn_t gfn)
{
int i;
struct kvm_memslots *slots = kvm_memslots(kvm);
struct kvm_memory_slot *memslot = NULL;
for (i = 0; i < slots->nmemslots; ++i) {
memslot = &slots->memslots[i];
if (gfn >= memslot->base_gfn
&& gfn < memslot->base_gfn + memslot->npages)
break;
}
return memslot - slots->memslots;
}
static unsigned long gfn_to_hva_many(struct kvm_memory_slot *slot, gfn_t gfn,
gfn_t *nr_pages)
{