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authorGleb Natapov <gleb@redhat.com>2013-04-28 12:50:07 +0300
committerGleb Natapov <gleb@redhat.com>2013-04-28 12:50:07 +0300
commit064d1afaa5a60fc391d0b4b77599fc8f63f99cd3 (patch)
tree2e640cdfa50b0048c52e021f07a8b24560251b26 /arch/powerpc/kvm/e500_emulate.c
parent730dca42c1d363c939da18c1499c7327c66e2b37 (diff)
parent8b78645c93b5d469e8006d68dbc92edc2640c654 (diff)
Merge git://github.com/agraf/linux-2.6.git kvm-ppc-next into queue
Diffstat (limited to 'arch/powerpc/kvm/e500_emulate.c')
-rw-r--r--arch/powerpc/kvm/e500_emulate.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index e78f353a836..b10a01243ab 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -284,6 +284,16 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
case SPRN_TLB1CFG:
*spr_val = vcpu->arch.tlbcfg[1];
break;
+ case SPRN_TLB0PS:
+ if (!has_feature(vcpu, VCPU_FTR_MMU_V2))
+ return EMULATE_FAIL;
+ *spr_val = vcpu->arch.tlbps[0];
+ break;
+ case SPRN_TLB1PS:
+ if (!has_feature(vcpu, VCPU_FTR_MMU_V2))
+ return EMULATE_FAIL;
+ *spr_val = vcpu->arch.tlbps[1];
+ break;
case SPRN_L1CSR0:
*spr_val = vcpu_e500->l1csr0;
break;
@@ -307,6 +317,15 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
case SPRN_MMUCFG:
*spr_val = vcpu->arch.mmucfg;
break;
+ case SPRN_EPTCFG:
+ if (!has_feature(vcpu, VCPU_FTR_MMU_V2))
+ return EMULATE_FAIL;
+ /*
+ * Legacy Linux guests access EPTCFG register even if the E.PT
+ * category is disabled in the VM. Give them a chance to live.
+ */
+ *spr_val = vcpu->arch.eptcfg;
+ break;
/* extra exceptions */
case SPRN_IVOR32: