From cc04454fa81e93b5f1b5133950331639d2f59f85 Mon Sep 17 00:00:00 2001 From: Hollis Blanchard Date: Fri, 25 Jul 2008 13:54:50 -0500 Subject: KVM: ppc: fix invalidation of large guest pages When guest invalidates a large tlb map, there may be more than one corresponding shadow tlb maps that need to be invalidated. Use eaddr and eend to find these shadow tlb maps. Signed-off-by: Liu Yu Signed-off-by: Hollis Blanchard Signed-off-by: Avi Kivity --- arch/powerpc/kvm/44x_tlb.c | 5 +++-- arch/powerpc/kvm/emulate.c | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) (limited to 'arch') diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index 75dff7cfa81..5a5602da509 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c @@ -177,7 +177,8 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, vcpu->arch.msr & MSR_PR); } -void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, u64 eaddr, u64 asid) +void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr, + gva_t eend, u32 asid) { unsigned int pid = asid & 0xff; int i; @@ -191,7 +192,7 @@ void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, u64 eaddr, u64 asid) if (!get_tlb_v(stlbe)) continue; - if (eaddr < get_tlb_eaddr(stlbe)) + if (eend < get_tlb_eaddr(stlbe)) continue; if (eaddr > get_tlb_end(stlbe)) diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index 00009746128..8c605d0a548 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -137,7 +137,7 @@ static int kvmppc_emul_tlbwe(struct kvm_vcpu *vcpu, u32 inst) if (tlbe->word0 & PPC44x_TLB_VALID) { eaddr = get_tlb_eaddr(tlbe); asid = (tlbe->word0 & PPC44x_TLB_TS) | tlbe->tid; - kvmppc_mmu_invalidate(vcpu, eaddr, asid); + kvmppc_mmu_invalidate(vcpu, eaddr, get_tlb_end(tlbe), asid); } switch (ws) { -- cgit v1.2.3-70-g09d2