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Mon, 10 Oct 2022 11:45:54 +0000 (GMT) Received: from [9.171.5.210] (unknown [9.171.5.210]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 10 Oct 2022 11:45:54 +0000 (GMT) Message-ID: <748d07b8-1746-c12a-ccfb-89c8b15901d9@linux.ibm.com> Date: Mon, 10 Oct 2022 13:45:54 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 Subject: Re: [PATCH v14 3/6] KVM: s390: pv: add KVM_CAP_S390_PROTECTED_ASYNC_DISABLE Content-Language: en-US To: Claudio Imbrenda , kvm@vger.kernel.org Cc: borntraeger@de.ibm.com, thuth@redhat.com, david@redhat.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, scgl@linux.ibm.com, seiden@linux.ibm.com, nrb@linux.ibm.com References: <20220930140150.37463-1-imbrenda@linux.ibm.com> <20220930140150.37463-4-imbrenda@linux.ibm.com> From: Janosch Frank In-Reply-To: <20220930140150.37463-4-imbrenda@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: OJ6F4DTEkzYYPz3S9qFPzC0oeXdeRm-Z X-Proofpoint-ORIG-GUID: CpHSoJQIEYWf6lD7_0G4sErc3Duo2ppV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-10-10_06,2022-10-10_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 priorityscore=1501 adultscore=0 clxscore=1015 spamscore=0 impostorscore=0 mlxlogscore=876 lowpriorityscore=0 mlxscore=0 bulkscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210100069 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On 9/30/22 16:01, Claudio Imbrenda wrote: > Add KVM_CAP_S390_PROTECTED_ASYNC_DISABLE to signal that the > KVM_PV_ASYNC_DISABLE and KVM_PV_ASYNC_DISABLE_PREPARE commands for the > KVM_S390_PV_COMMAND ioctl are available. > > Signed-off-by: Claudio Imbrenda > Reviewed-by: Nico Boehr > --- > arch/s390/kvm/kvm-s390.c | 3 +++ > include/uapi/linux/kvm.h | 1 + > 2 files changed, 4 insertions(+) > > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c > index d0027964a6f5..7a3bd68efd85 100644 > --- a/arch/s390/kvm/kvm-s390.c > +++ b/arch/s390/kvm/kvm-s390.c > @@ -618,6 +618,9 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) > case KVM_CAP_S390_BPB: > r = test_facility(82); > break; > + case KVM_CAP_S390_PROTECTED_ASYNC_DISABLE: > + r = async_destroy && is_prot_virt_host(); > + break; > case KVM_CAP_S390_PROTECTED: > r = is_prot_virt_host(); > break; > diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h > index 02602c5c1975..9afe0084b2c5 100644 > --- a/include/uapi/linux/kvm.h > +++ b/include/uapi/linux/kvm.h > @@ -1177,6 +1177,7 @@ struct kvm_ppc_resize_hpt { > #define KVM_CAP_VM_DISABLE_NX_HUGE_PAGES 220 > #define KVM_CAP_S390_ZPCI_OP 221 > #define KVM_CAP_S390_CPU_TOPOLOGY 222 > +#define KVM_CAP_S390_PROTECTED_ASYNC_DISABLE 225 I can see 223 in Paolo's next, is there a 224 that I've missed? > > #ifdef KVM_CAP_IRQ_ROUTING >