diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kvm/powerpc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 19aa59b0850c..6a68730774ee 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -96,6 +96,9 @@ int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu) * so we don't miss a request because the requester sees * OUTSIDE_GUEST_MODE and assumes we'll be checking requests * before next entering the guest (and thus doesn't IPI). + * This also orders the write to mode from any reads + * to the page tables done while the VCPU is running. + * Please see the comment in kvm_flush_remote_tlbs. */ smp_mb(); |