KVM: VMX: flush TLB with INVEPT on cpu migration
authorMarcelo Tosatti <mtosatti@redhat.com>
Thu, 1 Oct 2009 22:16:58 +0000 (19:16 -0300)
committerAvi Kivity <avi@redhat.com>
Sun, 4 Oct 2009 11:57:24 +0000 (13:57 +0200)
commiteb5109e311b5152c0614a28d7d615d087f268f19
tree7e6cff230fb9ba1c0af815f1cdbb08cdf818389d
parentb2d83cfa3fdefe5c6573d443d099a18dc3a93c5f
KVM: VMX: flush TLB with INVEPT on cpu migration

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.

Cc: stable@kernel.org
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
arch/x86/kvm/vmx.c