From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Aneesh Kumar K.V" Subject: [RFC PATCH 05/10] KVM: PPC: BOOK3S: PR: Doorbell support Date: Tue, 28 Jan 2014 22:14:10 +0530 Message-ID: <1390927455-3312-6-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: Received: from e28smtp06.in.ibm.com ([122.248.162.6]:59929 "EHLO e28smtp06.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755349AbaA1Qoh (ORCPT ); Tue, 28 Jan 2014 11:44:37 -0500 Received: from /spool/local by e28smtp06.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 28 Jan 2014 22:14:35 +0530 In-Reply-To: <1390927455-3312-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> Sender: kvm-owner@vger.kernel.org List-ID: We don't have SMT support yet, hence we should not find a doorbell message generated Signed-off-by: Aneesh Kumar K.V --- arch/powerpc/kvm/book3s_emulate.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index e74dda36ebea..9cf0392e3dcf 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -28,7 +28,9 @@ #define OP_19_XOP_RFI 50 #define OP_31_XOP_MFMSR 83 +#define OP_31_XOP_MSGSNDP 142 #define OP_31_XOP_MTMSR 146 +#define OP_31_XOP_MSGCLRP 174 #define OP_31_XOP_MTMSRD 178 #define OP_31_XOP_MTSR 210 #define OP_31_XOP_MTSRIN 242 @@ -286,6 +288,22 @@ int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu, break; } + case OP_31_XOP_MSGSNDP: + { + /* + * PR KVM still don't support SMT mode. So we should + * not see a MSGSNDP/MSGCLRP used with PR KVM + */ + pr_info("KVM: MSGSNDP used in non SMT case\n"); + emulated = EMULATE_FAIL; + break; + } + case OP_31_XOP_MSGCLRP: + { + pr_info"KVM: MSGCLRP used in non SMT case\n"); + emulated = EMULATE_FAIL; + break; + } default: emulated = EMULATE_FAIL; } -- 1.8.5.3