On Thu, Nov 04, 2010 at 06:32:42PM +0800, Xiao Guangrong wrote:
> nonpaing guest's 'direct_map' is also true, retry #PF for those
> guests is useless, so use 'tdp_enabled' instead
>
nonpaging guest will not attempt async pf. And by checking tdp_enabled
here instead of direct_map we will screw nested ntp.
> Signed-off-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx>
> ---
> arch/x86/kvm/x86.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 2044302..aacc5eb 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -6174,7 +6174,7 @@ void kvm_arch_async_page_ready(struct kvm_vcpu *vcpu, struct kvm_async_pf *work)
> {
> int r;
>
> - if (!vcpu->arch.mmu.direct_map || is_error_page(work->page))
> + if (!tdp_enabled || is_error_page(work->page))
> return;
>
> r = kvm_mmu_reload(vcpu);
> --
> 1.7.0.4
--
Gleb.
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