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[PATCH] KVM: MMU: Remove invlpg interception

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Since we write protect shadowed guest page tables, there is no need to trap
page invalidations (the guest will always change the mapping before issuing
the invlpg instruction).

Signed-off-by: Avi Kivity <avi@qumranet.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Avi Kivity
2007-01-05 16:36:47 -08:00
committed by Linus Torvalds
parent ebeace8609
commit 5f015a5b28
5 changed files with 0 additions and 62 deletions
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4
drivers/kvm/kvm_main.c
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@ -943,10 +943,6 @@ static unsigned long get_segment_base(struct kvm_vcpu *vcpu, int seg)
int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address)
{
spin_lock(&vcpu->kvm->lock);
vcpu->mmu.inval_page(vcpu, address);
spin_unlock(&vcpu->kvm->lock);
kvm_arch_ops->invlpg(vcpu, address);
return X86EMUL_CONTINUE;
}