From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759046AbZB0KaT (ORCPT ); Fri, 27 Feb 2009 05:30:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757632AbZB0K12 (ORCPT ); Fri, 27 Feb 2009 05:27:28 -0500 Received: from mx2.redhat.com ([66.187.237.31]:53564 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755361AbZB0K1J (ORCPT ); Fri, 27 Feb 2009 05:27:09 -0500 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 09/37] KVM: ppc: Add kvmppc_mmu_dtlb/itlb_miss for booke Date: Fri, 27 Feb 2009 12:26:32 +0200 Message-Id: <1235730420-7929-10-git-send-email-avi@redhat.com> In-Reply-To: <1235730420-7929-1-git-send-email-avi@redhat.com> References: <1235730420-7929-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hollis Blanchard 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 Signed-off-by: Hollis Blanchard Signed-off-by: Avi Kivity --- 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 5e80a20..6052779 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; } -- 1.6.0.6