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Wed, 23 Jun 2021 07:30:37 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CC8EAA4059; Wed, 23 Jun 2021 07:30:36 +0000 (GMT) Received: from localhost.localdomain (unknown [9.145.77.251]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 23 Jun 2021 07:30:36 +0000 (GMT) Subject: Re: [PATCH 2/2] KVM: s390: allow facility 192 (vector-packed-decimal-enhancement facility 2) To: Christian Borntraeger , Janosch Frank Cc: KVM , Cornelia Huck , David Hildenbrand , linux-s390 , Thomas Huth , Claudio Imbrenda References: <20210622143412.143369-1-borntraeger@de.ibm.com> <20210622143412.143369-3-borntraeger@de.ibm.com> From: Janosch Frank Message-ID: <27a7078e-955e-3676-eb14-a6bf529c9842@linux.ibm.com> Date: Wed, 23 Jun 2021 09:30:36 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <20210622143412.143369-3-borntraeger@de.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: EHkt6FpbDok4T7ZukAbl03OMjqDyvFCu X-Proofpoint-ORIG-GUID: mVMMWCD_oEJbZMYdlqyCXej9XQY_WWP_ X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.790 definitions=2021-06-23_02:2021-06-22,2021-06-23 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 mlxlogscore=999 clxscore=1015 bulkscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 impostorscore=0 priorityscore=1501 mlxscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2106230041 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On 6/22/21 4:34 PM, Christian Borntraeger wrote: > pass through newer vector instructions if vector support is enabled. > > Signed-off-by: Christian Borntraeger > --- > arch/s390/kvm/kvm-s390.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c > index 1296fc10f80c..0d59f9331649 100644 > --- a/arch/s390/kvm/kvm-s390.c > +++ b/arch/s390/kvm/kvm-s390.c > @@ -713,6 +713,10 @@ int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap) > set_kvm_facility(kvm->arch.model.fac_mask, 152); > set_kvm_facility(kvm->arch.model.fac_list, 152); > } > + if (test_facility(192)) { > + set_kvm_facility(kvm->arch.model.fac_mask, 192); > + set_kvm_facility(kvm->arch.model.fac_list, 192); > + } > r = 0; > } else > r = -EINVAL; > Reviewed-by: Janosch Frank