KVM: Make mark_page_dirty() work for aliased pages too.
Recommended by Izik Eidus. Signed-off-by: Uri Lublin <uril@qumranet.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
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@ -796,11 +796,11 @@ int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len)
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EXPORT_SYMBOL_GPL(kvm_clear_guest);
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/* WARNING: Does not work on aliased pages. */
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void mark_page_dirty(struct kvm *kvm, gfn_t gfn)
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{
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struct kvm_memory_slot *memslot;
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gfn = unalias_gfn(kvm, gfn);
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memslot = __gfn_to_memslot(kvm, gfn);
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if (memslot && memslot->dirty_bitmap) {
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unsigned long rel_gfn = gfn - memslot->base_gfn;
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