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

Message ID 1365674594-17410-7-git-send-email-mihai.caraman@freescale.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mihai Caraman April 11, 2013, 10:03 a.m. UTC
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(-)
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Patch

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;