diff options
| author | Marcelo Tosatti <mtosatti@redhat.com> | 2009-10-01 19:16:58 -0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-10-12 12:40:17 -0700 |
| commit | ca9405b882ae10710c158d989f0c740242af2e28 (patch) | |
| tree | b196d22eb1941648f1f413b3e827526a9293249e /arch | |
| parent | 779632b438a79ab1ed1f0da390712b12db3b2a58 (diff) | |
KVM: VMX: flush TLB with INVEPT on cpu migration
commit eb5109e311b5152c0614a28d7d615d087f268f19 upstream.
It is possible that stale EPTP-tagged mappings are used, if a
vcpu migrates to a different pcpu.
Set KVM_REQ_TLB_FLUSH in vmx_vcpu_load, when switching pcpus, which
will invalidate both VPID and EPT mappings on the next vm-entry.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 6a768ff7889c..ff72e4d85696 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -661,7 +661,7 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu) if (vcpu->cpu != cpu) { vcpu_clear(vmx); kvm_migrate_timers(vcpu); - vpid_sync_vcpu_all(vmx); + set_bit(KVM_REQ_TLB_FLUSH, &vcpu->requests); local_irq_disable(); list_add(&vmx->local_vcpus_link, &per_cpu(vcpus_on_cpu, cpu)); |