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KVM: x86/mmu: Cleanup range-based flushing for given page

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Use the new kvm_flush_remote_tlbs_gfn() helper to cleanup the call sites
of range-based flushing for given page, which makes the code clear.

Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
Link: https://lore.kernel.org/r/593ee1a876ece0e819191c0b23f56b940d6686db.1665214747.git.houwenlong.hwl@antgroup.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
This commit is contained in:
Hou Wenlong 2022-10-10 20:19:17 +08:00 committed by Sean Christopherson
parent 3cdf93746f
commit 4ad980aea7
2 changed files with 3 additions and 5 deletions
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5
arch/x86/kvm/mmu/mmu.c
View File

@ -824,7 +824,7 @@ static void account_shadowed(struct kvm *kvm, struct kvm_mmu_page *sp)
kvm_mmu_gfn_disallow_lpage(slot, gfn);
if (kvm_mmu_slot_gfn_write_protect(kvm, slot, gfn, PG_LEVEL_4K))
kvm_flush_remote_tlbs_with_address(kvm, gfn, 1);
kvm_flush_remote_tlbs_gfn(kvm, gfn, PG_LEVEL_4K);
}
void track_possible_nx_huge_page(struct kvm *kvm, struct kvm_mmu_page *sp)
@ -2898,8 +2898,7 @@ static int mmu_set_spte(struct kvm_vcpu *vcpu, struct kvm_memory_slot *slot,
}
if (flush)
kvm_flush_remote_tlbs_with_address(vcpu->kvm, gfn,
KVM_PAGES_PER_HPAGE(level));
kvm_flush_remote_tlbs_gfn(vcpu->kvm, gfn, level);
pgprintk("%s: setting spte %llx\n", __func__, *sptep);

3
arch/x86/kvm/mmu/tdp_mmu.c
View File

@ -680,8 +680,7 @@ static inline int tdp_mmu_zap_spte_atomic(struct kvm *kvm,
if (ret)
return ret;
kvm_flush_remote_tlbs_with_address(kvm, iter->gfn,
KVM_PAGES_PER_HPAGE(iter->level));
kvm_flush_remote_tlbs_gfn(kvm, iter->gfn, iter->level);
/*
* No other thread can overwrite the removed SPTE as they must either