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: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: Avi Kivity <avi@redhat.com>
git-mirror · Dec 27, 2011 · f873435 · f873435
1 parent f57f2ef
commit f873435
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
@@ -3590,7 +3590,6 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 	 */
 	mmu_topup_memory_caches(vcpu);
 	spin_lock(&vcpu->kvm->mmu_lock);
-	kvm_mmu_free_some_pages(vcpu);
 	++vcpu->kvm->stat.mmu_pte_write;
 	trace_kvm_mmu_audit(vcpu, AUDIT_PRE_PTE_WRITE);
 	if (gfn == vcpu->arch.last_pt_write_gfn