From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Aneesh Kumar K.V" Subject: [RFC PATCH 06/10] KVM: PPC: BOOK3S: PR: Emulate DPDES register Date: Tue, 28 Jan 2014 22:14:11 +0530 Message-ID: <1390927455-3312-7-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1390927455-3312-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, "Aneesh Kumar K.V" To: agraf@suse.de, benh@kernel.crashing.org, paulus@samba.org Return-path: In-Reply-To: <1390927455-3312-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: kvm-ppc-owner@vger.kernel.org List-Id: kvm.vger.kernel.org Since we don't support SMT yet, we should always find zero in Directed privileged doorbell exception state register. Signed-off-by: Aneesh Kumar K.V --- 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 9cf0392e3dcf..7f25adbd2590 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -585,6 +585,12 @@ int kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val */ *spr_val = 0; break; + case SPRN_DPDES: + /* + * 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