On Mon, May 25, 2009 at 11:47:23AM +0300, Avi Kivity wrote:
> The paravirt tlb flush may be used not only to flush TLBs, but also
> to reload the four page-directory-pointer-table entries, as it is used
> as a replacement for reloading CR3. Change the code to do the entire
> CR3 reloading dance instead of simply flushing the TLB.
Ugh, my bad.
ACK.
>
> Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
> ---
> arch/x86/kvm/mmu.c | 3 +--
> 1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
> index 6880a4c..7030b5f 100644
> --- a/arch/x86/kvm/mmu.c
> +++ b/arch/x86/kvm/mmu.c
> @@ -2927,8 +2927,7 @@ static int kvm_pv_mmu_write(struct kvm_vcpu *vcpu,
>
> static int kvm_pv_mmu_flush_tlb(struct kvm_vcpu *vcpu)
> {
> - kvm_x86_ops->tlb_flush(vcpu);
> - set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests);
> + kvm_set_cr3(vcpu, vcpu->arch.cr3);
> return 1;
> }
>
> --
> 1.6.0.6
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