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| author | Marcelo Tosatti <mtosatti@redhat.com> | 2009-10-26 16:48:33 -0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2009-12-03 09:32:22 +0200 |
| commit | 7c93be44a4790b0fd9dddf29c5503cf86c105304 (patch) | |
| tree | 1c7b1d315b9e186b286843c30c54ca8c70f168c0 /arch/x86/kvm/x86.c | |
| parent | 1655e3a3dc16e21b60d9950e201b38a9894f1bcf (diff) | |
| download | lwn-7c93be44a4790b0fd9dddf29c5503cf86c105304.tar.gz lwn-7c93be44a4790b0fd9dddf29c5503cf86c105304.zip | |
KVM: VMX: move CR3/PDPTR update to vmx_set_cr3
GUEST_CR3 is updated via kvm_set_cr3 whenever CR3 is modified from
outside guest context. Similarly pdptrs are updated via load_pdptrs.
Let kvm_set_cr3 perform the update, removing it from the vcpu_run
fast path.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Acked-by: Acked-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index dbddcc2d2c97..719f31eecd3d 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -4591,8 +4591,10 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, mmu_reset_needed |= vcpu->arch.cr4 != sregs->cr4; kvm_x86_ops->set_cr4(vcpu, sregs->cr4); - if (!is_long_mode(vcpu) && is_pae(vcpu)) + if (!is_long_mode(vcpu) && is_pae(vcpu)) { load_pdptrs(vcpu, vcpu->arch.cr3); + mmu_reset_needed = 1; + } if (mmu_reset_needed) kvm_mmu_reset_context(vcpu); |