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authorHollis Blanchard <hollisb@us.ibm.com>2008-07-25 14:54:50 -0400
committerAvi Kivity <avi@qumranet.com>2008-07-27 05:02:05 -0400
commitcc04454fa81e93b5f1b5133950331639d2f59f85 (patch)
treeadc2c214ccfc66dd097ec9c71f2995e65acc565a /arch/powerpc/kvm
parent5a00a5e7a3e013b2323f87c1b69ff9557eae5ec9 (diff)
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.c5
-rw-r--r--arch/powerpc/kvm/emulate.c2
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,
177 vcpu->arch.msr & MSR_PR); 177 vcpu->arch.msr & MSR_PR);
178} 178}
179 179
180void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, u64 eaddr, u64 asid) 180void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr,
181 gva_t eend, u32 asid)
181{ 182{
182 unsigned int pid = asid & 0xff; 183 unsigned int pid = asid & 0xff;
183 int i; 184 int i;
@@ -191,7 +192,7 @@ void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, u64 eaddr, u64 asid)
191 if (!get_tlb_v(stlbe)) 192 if (!get_tlb_v(stlbe))
192 continue; 193 continue;
193 194
194 if (eaddr < get_tlb_eaddr(stlbe)) 195 if (eend < get_tlb_eaddr(stlbe))
195 continue; 196 continue;
196 197
197 if (eaddr > get_tlb_end(stlbe)) 198 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)
137 if (tlbe->word0 & PPC44x_TLB_VALID) { 137 if (tlbe->word0 & PPC44x_TLB_VALID) {
138 eaddr = get_tlb_eaddr(tlbe); 138 eaddr = get_tlb_eaddr(tlbe);
139 asid = (tlbe->word0 & PPC44x_TLB_TS) | tlbe->tid; 139 asid = (tlbe->word0 & PPC44x_TLB_TS) | tlbe->tid;
140 kvmppc_mmu_invalidate(vcpu, eaddr, asid); 140 kvmppc_mmu_invalidate(vcpu, eaddr, get_tlb_end(tlbe), asid);
141 } 141 }
142 142
143 switch (ws) { 143 switch (ws) {