* [PATCH] KVM: ppc: beyond ARRAY_SIZE of vcpu_44x->guest_tlb
@ 2009-05-19 22:50 Roel Kluin
2009-05-20 15:09 ` Hollis Blanchard
0 siblings, 1 reply; 2+ messages in thread
From: Roel Kluin @ 2009-05-19 22:50 UTC (permalink / raw)
To: kvm-ppc
Do not go beyond ARRAY_SIZE of vcpu_44x->guest_tlb
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index 4a16f47..6093289 100644
--- a/arch/powerpc/kvm/44x_tlb.c
+++ b/arch/powerpc/kvm/44x_tlb.c
@@ -439,7 +439,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
unsigned int gtlb_index;
gtlb_index = vcpu->arch.gpr[ra];
- if (gtlb_index > KVM44x_GUEST_TLB_SIZE) {
+ if (gtlb_index >= KVM44x_GUEST_TLB_SIZE) {
printk("%s: index %d\n", __func__, gtlb_index);
kvmppc_dump_vcpu(vcpu);
return EMULATE_FAIL;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] KVM: ppc: beyond ARRAY_SIZE of vcpu_44x->guest_tlb
2009-05-19 22:50 [PATCH] KVM: ppc: beyond ARRAY_SIZE of vcpu_44x->guest_tlb Roel Kluin
@ 2009-05-20 15:09 ` Hollis Blanchard
0 siblings, 0 replies; 2+ messages in thread
From: Hollis Blanchard @ 2009-05-20 15:09 UTC (permalink / raw)
To: kvm-ppc
On Wed, 2009-05-20 at 00:50 +0200, Roel Kluin wrote:
> Do not go beyond ARRAY_SIZE of vcpu_44x->guest_tlb
>
> Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
> ---
> diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
> index 4a16f47..6093289 100644
> --- a/arch/powerpc/kvm/44x_tlb.c
> +++ b/arch/powerpc/kvm/44x_tlb.c
> @@ -439,7 +439,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
> unsigned int gtlb_index;
>
> gtlb_index = vcpu->arch.gpr[ra];
> - if (gtlb_index > KVM44x_GUEST_TLB_SIZE) {
> + if (gtlb_index >= KVM44x_GUEST_TLB_SIZE) {
> printk("%s: index %d\n", __func__, gtlb_index);
> kvmppc_dump_vcpu(vcpu);
> return EMULATE_FAIL;
Acked-by: Hollis Blanchard <hollisb@us.ibm.com>
Thanks.
--
Hollis Blanchard
IBM Linux Technology Center
^ permalink raw reply [flat|nested] 2+ messages in thread
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2009-05-19 22:50 [PATCH] KVM: ppc: beyond ARRAY_SIZE of vcpu_44x->guest_tlb Roel Kluin
2009-05-20 15:09 ` Hollis Blanchard
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