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At some call sites of rmap_get_first() and rmap_get_next(), BUG_ON is placed right after the call to detect unrelated sptes which must not be found in the reverse-mapping list. Move this check in rmap_get_first/next() so that all call sites, not just the users of the for_each_rmap_spte() macro, will be checked the same way. One thing to keep in mind is that kvm_mmu_unlink_parents() also uses rmap_get_first() to handle parent sptes. The change will not break it because parent sptes are present, at least until drop_parent_pte() actually unlinks them, and not mmio-sptes. Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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