Alexander Graf wrote: > We need to override EA as well as PA lookups for the magic page. When the guest > tells us to project it, the magic page overrides any guest mappings. > > In order to reflect that, we need to hook into all the MMU layers of KVM to > force map the magic page if necessary. > > Signed-off-by: Alexander Graf <agraf@xxxxxxx> > > v1 -> v2: > > - RMO -> PAM > --- > arch/powerpc/kvm/book3s.c | 7 +++++++ > arch/powerpc/kvm/book3s_32_mmu.c | 16 ++++++++++++++++ > arch/powerpc/kvm/book3s_32_mmu_host.c | 12 ++++++++++++ > arch/powerpc/kvm/book3s_64_mmu.c | 30 +++++++++++++++++++++++++++++- > arch/powerpc/kvm/book3s_64_mmu_host.c | 12 ++++++++++++ > 5 files changed, 76 insertions(+), 1 deletions(-) > > diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c > index 14db032..b22e608 100644 > --- a/arch/powerpc/kvm/book3s.c > +++ b/arch/powerpc/kvm/book3s.c > @@ -554,6 +554,13 @@ mmio: > > static int kvmppc_visible_gfn(struct kvm_vcpu *vcpu, gfn_t gfn) > { > + ulong mp_pa = vcpu->arch.magic_page_pa; > + > + if (unlikely(mp_pa) && > + unlikely((mp_pa & KVM_RMO) >> PAGE_SHIFT == gfn)) { > This should be KVM_PAM :(. Should I respin the whole thing or could whoever commits this just make that trivial change? Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html