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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-09-27 18:02:12 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:53:09 +0200 |
| commit | 6292757fb0e758748fdb441861f8c50d397de9f0 (patch) | |
| tree | 7a33df56d8eb1d1259c40a61578cb7d81cd2defe /arch/x86/kvm/mmu.c | |
| parent | 7129eecac10681f69cb00c0323ee915feceb57eb (diff) | |
| download | op-kernel-dev-6292757fb0e758748fdb441861f8c50d397de9f0.zip op-kernel-dev-6292757fb0e758748fdb441861f8c50d397de9f0.tar.gz | |
KVM: MMU: update 'root_hpa' out of loop in PAE shadow path
The value of 'vcpu->arch.mmu.pae_root' is not modified, so we can update
'root_hpa' out of the loop.
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.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index c94c432..3630046 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2393,8 +2393,8 @@ static int mmu_alloc_direct_roots(struct kvm_vcpu *vcpu) ++sp->root_count; spin_unlock(&vcpu->kvm->mmu_lock); vcpu->arch.mmu.pae_root[i] = root | PT_PRESENT_MASK; - vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.pae_root); } + vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.pae_root); } else BUG(); @@ -2466,8 +2466,8 @@ static int mmu_alloc_shadow_roots(struct kvm_vcpu *vcpu) spin_unlock(&vcpu->kvm->mmu_lock); vcpu->arch.mmu.pae_root[i] = root | pm_mask; - vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.pae_root); } + vcpu->arch.mmu.root_hpa = __pa(vcpu->arch.mmu.pae_root); /* * If we shadow a 32 bit page table with a long mode page |
