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Mon, 20 Dec 2021 17:25:06 +0000 (GMT) Received: from [9.171.18.110] (unknown [9.171.18.110]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 20 Dec 2021 17:25:06 +0000 (GMT) Message-ID: <3c7e0bb9-f698-066b-8f6d-93c45438ff32@linux.ibm.com> Date: Mon, 20 Dec 2021 18:26:17 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH 13/32] KVM: s390: pci: add basic kvm_zdev structure Content-Language: en-US To: Matthew Rosato , linux-s390@vger.kernel.org Cc: alex.williamson@redhat.com, cohuck@redhat.com, schnelle@linux.ibm.com, farman@linux.ibm.com, borntraeger@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, gerald.schaefer@linux.ibm.com, agordeev@linux.ibm.com, frankja@linux.ibm.com, david@redhat.com, imbrenda@linux.ibm.com, vneethv@linux.ibm.com, oberpar@linux.ibm.com, freude@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20211207205743.150299-1-mjrosato@linux.ibm.com> <20211207205743.150299-14-mjrosato@linux.ibm.com> <37b5de48-adef-225e-fafc-f918b64e7736@linux.ibm.com> From: Pierre Morel In-Reply-To: <37b5de48-adef-225e-fafc-f918b64e7736@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: NIW17LTxKi8tqhU4MdcEcwiTb9b4kVic X-Proofpoint-GUID: z_THP8IatfApU7TLD_NvyKHRKAC_bPMc X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2021-12-20_08,2021-12-20_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 mlxlogscore=999 spamscore=0 clxscore=1015 bulkscore=0 mlxscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2112200096 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/17/21 21:26, Matthew Rosato wrote: > On 12/7/21 3:57 PM, Matthew Rosato wrote: >> This structure will be used to carry kvm passthrough information >> related to >> zPCI devices. >> >> Signed-off-by: Matthew Rosato >> --- > ... >>   static inline bool zdev_enabled(struct zpci_dev *zdev) >> diff --git a/arch/s390/kvm/Makefile b/arch/s390/kvm/Makefile >> index b3aaadc60ead..95ea865e5d29 100644 >> --- a/arch/s390/kvm/Makefile >> +++ b/arch/s390/kvm/Makefile >> @@ -10,6 +10,6 @@ common-objs = $(KVM)/kvm_main.o $(KVM)/eventfd.o >> $(KVM)/async_pf.o \ >>   ccflags-y := -Ivirt/kvm -Iarch/s390/kvm >>   kvm-objs := $(common-objs) kvm-s390.o intercept.o interrupt.o priv.o >> sigp.o >> -kvm-objs += diag.o gaccess.o guestdbg.o vsie.o pv.o >> +kvm-objs += diag.o gaccess.o guestdbg.o vsie.o pv.o pci.o > > This should instead be > > kvm-objs-$(CONFIG_PCI) += pci.o > > I think this makes sense as we aren't about to do PCI passthrough > support anyway if the host kernel doesn't support PCI (no vfio-pci, > etc).   This will quiet the kernel test robot complaints about > CONFIG_PCI_NR_FUNCTIONS seen on the next patch in this series. hum, then you will need more than this to put all pci references in priv.c and kvm-s390.c away. > >>   obj-$(CONFIG_KVM) += kvm.o -- Pierre Morel IBM Lab Boeblingen