[PATCH 3.12 78/84] KVM: PPC: Book3S PR: Emulate TIR register

From: Jiri Slaby
Date: Mon Oct 17 2016 - 03:59:50 EST


From: Alexander Graf <agraf@xxxxxxx>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

commit a5948fa092a04dfd6b9ee31c99eb6896c158eb08 upstream.

In parallel to the Processor ID Register (PIR) threaded POWER8 also adds a
Thread ID Register (TIR). Since PR KVM doesn't emulate more than one thread
per core, we can just always expose 0 here.

Signed-off-by: Alexander Graf <agraf@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
arch/powerpc/kvm/book3s_emulate.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index 57913b199919..cda2cba56915 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -570,6 +570,7 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
case SPRN_MMCR0:
case SPRN_MMCR1:
case SPRN_MMCR2:
+ case SPRN_TIR:
#endif
*spr_val = 0;
break;
--
2.10.1