forked from Minki/linux
KVM: x86: MMU: Use for_each_rmap_spte macro instead of pte_list_walk()
As kvm_mmu_get_page() was changed so that every parent pointer would not get into the sp->parent_ptes chain before the entry pointed to by it was set properly, we can use the for_each_rmap_spte macro instead of pte_list_walk(). Signed-off-by: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp> Cc: Xiao Guangrong <guangrong.xiao@linux.intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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98bba23842
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@ -1007,26 +1007,6 @@ static void pte_list_remove(u64 *spte, struct kvm_rmap_head *rmap_head)
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}
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}
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typedef void (*pte_list_walk_fn) (u64 *spte);
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static void pte_list_walk(struct kvm_rmap_head *rmap_head, pte_list_walk_fn fn)
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{
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struct pte_list_desc *desc;
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int i;
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if (!rmap_head->val)
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return;
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if (!(rmap_head->val & 1))
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return fn((u64 *)rmap_head->val);
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desc = (struct pte_list_desc *)(rmap_head->val & ~1ul);
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while (desc) {
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for (i = 0; i < PTE_LIST_EXT && desc->sptes[i]; ++i)
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fn(desc->sptes[i]);
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desc = desc->more;
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}
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}
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static struct kvm_rmap_head *__gfn_to_rmap(gfn_t gfn, int level,
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struct kvm_memory_slot *slot)
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{
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@ -1749,7 +1729,12 @@ static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu, int direct
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static void mark_unsync(u64 *spte);
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static void kvm_mmu_mark_parents_unsync(struct kvm_mmu_page *sp)
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{
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pte_list_walk(&sp->parent_ptes, mark_unsync);
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u64 *sptep;
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struct rmap_iterator iter;
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for_each_rmap_spte(&sp->parent_ptes, &iter, sptep) {
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mark_unsync(sptep);
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}
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}
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static void mark_unsync(u64 *spte)
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