On Thu, 2008-12-18 at 20:22 +0800, Liu Yu wrote: > When itlb or dtlb miss happens, E500 needs to update some mmu registers. > So that the auto-load mechanism can work on E500 when write a tlb entry. > > Signed-off-by: Liu Yu <yu....@freescale.com> > --- > arch/powerpc/include/asm/kvm_ppc.h | 2 ++ > arch/powerpc/kvm/44x_tlb.c | 8 ++++++++ > arch/powerpc/kvm/booke.c | 2 ++ > 3 files changed, 12 insertions(+), 0 deletions(-) > > diff --git a/arch/powerpc/include/asm/kvm_ppc.h > b/arch/powerpc/include/asm/kvm_ppc.h > index f4b041b..82547c8 100644 > --- a/arch/powerpc/include/asm/kvm_ppc.h > +++ b/arch/powerpc/include/asm/kvm_ppc.h > @@ -63,6 +63,8 @@ extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, > gva_t eaddr); > extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr); > extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index, > gva_t eaddr); > +extern void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu); > +extern void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu); > > extern struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, > unsigned int id); > diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c > index e67b731..4a16f47 100644 > --- a/arch/powerpc/kvm/44x_tlb.c > +++ b/arch/powerpc/kvm/44x_tlb.c > @@ -232,6 +232,14 @@ int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t > eaddr) > return kvmppc_44x_tlb_index(vcpu, eaddr, vcpu->arch.pid, as); > } > > +void kvmppc_mmu_itlb_miss(struct kvm_vcpu *vcpu) > +{ > +} > + > +void kvmppc_mmu_dtlb_miss(struct kvm_vcpu *vcpu) > +{ > +} > + > static void kvmppc_44x_shadow_release(struct kvmppc_vcpu_44x *vcpu_44x, > unsigned int stlb_index) > { > diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c > index a73b395..933c406 100644 > --- a/arch/powerpc/kvm/booke.c > +++ b/arch/powerpc/kvm/booke.c > @@ -295,6 +295,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct > kvm_vcpu *vcpu, > kvmppc_booke_queue_irqprio(vcpu, > BOOKE_IRQPRIO_DTLB_MISS); > vcpu->arch.dear = vcpu->arch.fault_dear; > vcpu->arch.esr = vcpu->arch.fault_esr; > + kvmppc_mmu_dtlb_miss(vcpu); > kvmppc_account_exit(vcpu, DTLB_REAL_MISS_EXITS); > r = RESUME_GUEST; > break; > @@ -337,6 +338,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct > kvm_vcpu *vcpu, > if (gtlb_index < 0) { > /* The guest didn't have a mapping for it. */ > kvmppc_booke_queue_irqprio(vcpu, > BOOKE_IRQPRIO_ITLB_MISS); > + kvmppc_mmu_itlb_miss(vcpu); > kvmppc_account_exit(vcpu, ITLB_REAL_MISS_EXITS); > break; > }
I don't think you've supplied an implementation of these hooks for e500. Does it build with this patch series applied? -- Hollis Blanchard IBM Linux Technology Center -- To unsubscribe from this list: send the line "unsubscribe kvm-ppc" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html