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KVM: PPC: e500: Mask MAS2 EPN high 32-bits in 32/64 tlbwe emulation
author
Mihai Caraman
<mihai.caraman@freescale.com>
Thu, 11 Oct 2012 06:13:24 +0000
(06:13 +0000)
committer
Alexander Graf
<agraf@suse.de>
Thu, 6 Dec 2012 00:34:14 +0000
(
01:34
+0100)
Mask high 32 bits of MAS2's effective page number in tlbwe emulation for guests
running in 32-bit mode.
Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
arch/powerpc/kvm/e500_tlb.c
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diff --git
a/arch/powerpc/kvm/e500_tlb.c
b/arch/powerpc/kvm/e500_tlb.c
index 7a147216312052dae07373ecea7bf67d8048de33..cf3f180123717cb8e7439f6460c537ec24d0523b 100644
(file)
--- a/
arch/powerpc/kvm/e500_tlb.c
+++ b/
arch/powerpc/kvm/e500_tlb.c
@@
-871,6
+871,8
@@
int kvmppc_e500_emul_tlbwe(struct kvm_vcpu *vcpu)
gtlbe->mas1 = vcpu->arch.shared->mas1;
gtlbe->mas2 = vcpu->arch.shared->mas2;
+ if (!(vcpu->arch.shared->msr & MSR_CM))
+ gtlbe->mas2 &= 0xffffffffUL;
gtlbe->mas7_3 = vcpu->arch.shared->mas7_3;
trace_kvm_booke206_gtlb_write(vcpu->arch.shared->mas0, gtlbe->mas1,
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