forked from Minki/linux
KVM: MMU: fix counting of rmap entries in rmap_add()
It seems that rmap entries are under counted. Signed-off-by: Hillf Danton <dhillf@gmail.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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@ -632,6 +632,7 @@ static int rmap_add(struct kvm_vcpu *vcpu, u64 *spte, gfn_t gfn)
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desc->sptes[0] = (u64 *)*rmapp;
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desc->sptes[1] = spte;
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*rmapp = (unsigned long)desc | 1;
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++count;
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} else {
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rmap_printk("rmap_add: %p %llx many->many\n", spte, *spte);
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desc = (struct kvm_rmap_desc *)(*rmapp & ~1ul);
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@ -644,7 +645,7 @@ static int rmap_add(struct kvm_vcpu *vcpu, u64 *spte, gfn_t gfn)
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desc = desc->more;
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}
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for (i = 0; desc->sptes[i]; ++i)
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;
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++count;
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desc->sptes[i] = spte;
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}
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return count;
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