We can get memslot id from memslot->id directly
Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx>
---
include/linux/kvm_host.h | 6 +++++-
virt/kvm/kvm_main.c | 17 -----------------
2 files changed, 5 insertions(+), 18 deletions(-)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index ab42855..57d7092 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 1fa0d29..cf90f28 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -997,23 +997,6 @@ 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)
{
--
1.7.4
--
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