[PATCH 6/8 v3] KVM: PPC: e500: Remove E.PT and E.HV.LRAT categories from VCPUs

Mihai Caraman
2013-04-11T10:03:12Z

Embedded.Page Table (E.PT) category is not supported yet in e6500 kernel.
Configure TLBnCFG to remove E.PT and E.HV.LRAT categories from VCPUs.

Signed-off-by: Mihai Caraman <mihai.caraman@freescale.com>
---
v3:
- No change

arch/powerpc/kvm/e500_mmu.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/powerpc/kvm/e500_mmu.c b/arch/powerpc/kvm/e500_mmu.c
index 1c1c5cb..c41a5a9 100644
--- a/arch/powerpc/kvm/e500_mmu.c
+++ b/arch/powerpc/kvm/e500_mmu.c
@@ -885,8 +885,12 @@ static int vcpu_mmu_init(struct kvm_vcpu *vcpu,
vcpu->arch.tlbps[0] = mfspr(SPRN_TLB0PS);
vcpu->arch.tlbps[1] = mfspr(SPRN_TLB1PS);

+ vcpu->arch.mmucfg &= ~MMUCFG_LRAT;
+
/* Guest mmu emulation currently doesn't handle E.PT */
vcpu->arch.eptcfg = 0;
+ vcpu->arch.tlbcfg[0] &= ~TLBnCFG_PT;
+ vcpu->arch.tlbcfg[1] &= ~TLBnCFG_IND;
}

return 0;
--
1.7.4.1