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authorHollis Blanchard <hollisb@us.ibm.com>2008-07-25 13:54:50 -0500
committerAvi Kivity <avi@qumranet.com>2008-07-27 12:02:05 +0300
commitcc04454fa81e93b5f1b5133950331639d2f59f85 (patch)
treeadc2c214ccfc66dd097ec9c71f2995e65acc565a
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>
-rw-r--r--arch/powerpc/kvm/44x_tlb.c5
-rw-r--r--arch/powerpc/kvm/emulate.c2
-rw-r--r--include/asm-powerpc/kvm_ppc.h3
3 files changed, 6 insertions, 4 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) {
diff --git a/include/asm-powerpc/kvm_ppc.h b/include/asm-powerpc/kvm_ppc.h
index 5a21115228af..a8b068792260 100644
--- a/include/asm-powerpc/kvm_ppc.h
+++ b/include/asm-powerpc/kvm_ppc.h
@@ -61,7 +61,8 @@ extern int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu);
extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn,
u64 asid, u32 flags);
-extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, u64 eaddr, u64 asid);
+extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, gva_t eaddr,
+ gva_t eend, u32 asid);
extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
extern void kvmppc_check_and_deliver_interrupts(struct kvm_vcpu *vcpu);