KVM: use slowpath for cross page cached accesses

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / virt / kvm / kvm_main.c

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index a17f190be58e8d1a08636022148c5ef6b70b3138..1d4b8bed4e488fd0de215db45f02f0c38070831c 100644 (file)
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1549,8 +1549,8 @@ int kvm_gfn_to_hva_cache_init(struct kvm *kvm, struct gfn_to_hva_cache *ghc,
        ghc->generation = slots->generation;
        ghc->len = len;
        ghc->memslot = gfn_to_memslot(kvm, start_gfn);
-       ghc->hva = gfn_to_hva_many(ghc->memslot, start_gfn, &nr_pages_avail);
-       if (!kvm_is_error_hva(ghc->hva) && nr_pages_avail >= nr_pages_needed) {
+       ghc->hva = gfn_to_hva_many(ghc->memslot, start_gfn, NULL);
+       if (!kvm_is_error_hva(ghc->hva) && nr_pages_needed <= 1) {
                ghc->hva += offset;
        } else {
                /*