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authorXiao Guangrong <xiaoguangrong@cn.fujitsu.com>2011-09-22 16:56:58 +0800
committerAvi Kivity <avi@redhat.com>2011-12-27 11:16:58 +0200
commitf8734352c6f9c4f3d85f0c97b7731b7f925c62fd (patch)
treec3bf5e4938aaef0976ce5c5667561c78b5d873f9 /arch/x86/kvm/mmu.c
parentf57f2ef58f6703e6df70ed52a198920cb3e8edba (diff)
downloadop-kernel-dev-f8734352c6f9c4f3d85f0c97b7731b7f925c62fd.zip
op-kernel-dev-f8734352c6f9c4f3d85f0c97b7731b7f925c62fd.tar.gz
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>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
-rw-r--r--arch/x86/kvm/mmu.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index c01137f..7e57938 100644
--- 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
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