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KVM: ppc: fix invalidation of large guest pages

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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>
This commit is contained in:
Hollis Blanchard
2008-07-25 13:54:50 -05:00
committed by Avi Kivity
parent 5a00a5e7a3
commit cc04454fa8
3 changed files with 6 additions and 4 deletions
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5
arch/powerpc/kvm/44x_tlb.c
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@@ -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))