Subject: [RFC PATCH 04/10] KVM: PPC: BOOK3S: PR: Emulate Thread identification register

From: "Aneesh Kumar K.V" <[email-masked]>
Date: Tue, 28 Jan 2014 22:14:09 +0530

Since PR KVM doesn't support SMT yet, we always return 0.

Signed-off-by: Aneesh Kumar K.V <[email-masked]>
---
 arch/powerpc/kvm/book3s_emulate.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index abe6f3057e5b..e74dda36ebea 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -561,6 +561,12 @@ int kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val
 	case SPRN_DABR:
 		*spr_val = 0;
 		break;
+	case SPRN_TIR:
+		/*
+		 * We don't have SMT support for PR yet, hence always return 0
+		 */
+		*spr_val = 0;
+		break;
 	default:
 unprivileged:
 		printk(KERN_INFO "KVM: invalid SPR read: %d\n", sprn);
-- 
1.8.5.3