diff options
| author | Hollis Blanchard <hollisb@us.ibm.com> | 2008-07-25 20:54:50 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-07-27 11:02:05 +0200 |
| commit | cc04454fa81e93b5f1b5133950331639d2f59f85 (patch) | |
| tree | adc2c214ccfc66dd097ec9c71f2995e65acc565a /arch/powerpc/kvm | |
| parent | KVM: s390: Fix possible host kernel bug on lctl(g) handling (diff) | |
| download | linux-cc04454fa81e93b5f1b5133950331639d2f59f85.tar.xz linux-cc04454fa81e93b5f1b5133950331639d2f59f85.zip | |
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 <yu.liu@freescale.com>
Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/powerpc/kvm')
| -rw-r--r-- | arch/powerpc/kvm/44x_tlb.c | 5 | ||||
| -rw-r--r-- | arch/powerpc/kvm/emulate.c | 2 |
2 files changed, 4 insertions, 3 deletions
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index 75dff7cfa814..5a5602da5091 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 000097461283..8c605d0a5488 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) { |