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authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>2011-03-09 15:41:59 +0800
committerAvi Kivity <avi@redhat.com>2011-05-11 07:56:53 -0400
commit0ee8dcb87e403397e575674d0e79272b06dea12e (patch)
tree64fe3a441b259105ae4f38cbf4e7e3c9e204b9bd
parent9f381a61f58bb6487c93ce2233bb9992f8ea9211 (diff)
downloadlinux-0ee8dcb87e403397e575674d0e79272b06dea12e.tar.gz
KVM: cleanup memslot_id function
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>
-rw-r--r--include/linux/kvm_host.h6
-rw-r--r--virt/kvm/kvm_main.c17
2 files changed, 5 insertions, 18 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ab428552af8..57d7092d771 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -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)
{
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 6330653480e..58146457bf9 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -996,23 +996,6 @@ out:
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)
{