Messages in this thread Patch in this message | | | Date | Mon, 27 Sep 2010 18:02:12 +0800 | From | Xiao Guangrong <> | Subject | [PATCH 1/7] KVM: MMU: update 'root_hpa' out of loop in PAE shadow path |
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The value of 'vcpu->arch.mmu.pae_root' is not modified, so we can update 'root_hpa' out of the loop
Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> --- 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 -- 1.7.0.4
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