[PATCH v3 4/6] KVM: pass slot to hva_to_pfn

[Xiao Guangrong]

This parameter will be used in the later patch

Signed-off-by: Xiao Guangrong <xiaoguangr...@linux.vnet.ibm.com>
---
 virt/kvm/kvm_main.c |   17 +++++++++++------
 1 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index c59fad6..811c3ee 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1077,8 +1077,9 @@ static inline int check_user_page_hwpoison(unsigned long 
addr)
        return rc == -EHWPOISON;
 }

-static pfn_t hva_to_pfn(struct kvm *kvm, unsigned long addr, bool atomic,
-                       bool *async, bool write_fault, bool *writable)
+static pfn_t hva_to_pfn(struct kvm *kvm, struct kvm_memory_slot *slot,
+                       unsigned long addr, bool atomic, bool *async,
+                       bool write_fault, bool *writable)
 {
        struct page *page[1];
        int npages = 0;
@@ -1161,18 +1162,22 @@ static pfn_t hva_to_pfn(struct kvm *kvm, unsigned long 
addr, bool atomic,
 static pfn_t __gfn_to_pfn(struct kvm *kvm, gfn_t gfn, bool atomic, bool *async,
                          bool write_fault, bool *writable)
 {
+       struct kvm_memory_slot *slot;
        unsigned long addr;

        if (async)
                *async = false;

-       addr = gfn_to_hva(kvm, gfn);
+       slot = gfn_to_memslot(kvm, gfn);
+       addr = gfn_to_hva_many(slot, gfn, NULL);
+
        if (kvm_is_error_hva(addr)) {
                get_page(bad_page);
                return page_to_pfn(bad_page);
        }

-       return hva_to_pfn(kvm, addr, atomic, async, write_fault, writable);
+       return hva_to_pfn(kvm, slot, addr, atomic, async, write_fault,
+                         writable);
 }

 pfn_t gfn_to_pfn_atomic(struct kvm *kvm, gfn_t gfn)
@@ -1205,7 +1210,7 @@ pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
                         struct kvm_memory_slot *slot, gfn_t gfn)
 {
        unsigned long addr = gfn_to_hva_memslot(slot, gfn);
-       return hva_to_pfn(kvm, addr, false, NULL, true, NULL);
+       return hva_to_pfn(kvm, slot, addr, false, NULL, true, NULL);
 }

 pfn_t gfn_to_pfn_memslot_atomic(struct kvm *kvm,
@@ -1213,7 +1218,7 @@ pfn_t gfn_to_pfn_memslot_atomic(struct kvm *kvm,
 {
        unsigned long addr = gfn_to_hva_memslot(slot, gfn);

-       return hva_to_pfn(kvm, addr, true, NULL, true, NULL);
+       return hva_to_pfn(kvm, slot, addr, true, NULL, true, NULL);
 }
 EXPORT_SYMBOL_GPL(gfn_to_pfn_memslot_atomic);

-- 
1.7.7.6

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