Commit f8734352 authored by Xiao Guangrong's avatar Xiao Guangrong Committed by Avi Kivity

KVM: MMU: remove unnecessary kvm_mmu_free_some_pages

In kvm_mmu_pte_write, we do not need to alloc shadow page, so calling
kvm_mmu_free_some_pages is really unnecessary
Signed-off-by: default avatarXiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent f57f2ef5
...@@ -3590,7 +3590,6 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, ...@@ -3590,7 +3590,6 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
*/ */
mmu_topup_memory_caches(vcpu); mmu_topup_memory_caches(vcpu);
spin_lock(&vcpu->kvm->mmu_lock); spin_lock(&vcpu->kvm->mmu_lock);
kvm_mmu_free_some_pages(vcpu);
++vcpu->kvm->stat.mmu_pte_write; ++vcpu->kvm->stat.mmu_pte_write;
trace_kvm_mmu_audit(vcpu, AUDIT_PRE_PTE_WRITE); trace_kvm_mmu_audit(vcpu, AUDIT_PRE_PTE_WRITE);
if (gfn == vcpu->arch.last_pt_write_gfn if (gfn == vcpu->arch.last_pt_write_gfn
......
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