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Fri, 10 Jul 2026 09:22:29 +0000 (GMT) Received: from [9.224.77.173] (unknown [9.224.77.173]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 10 Jul 2026 09:22:29 +0000 (GMT) Message-ID: <857debcd-3e44-4844-8abc-b26b892d3d7c@linux.ibm.com> Date: Fri, 10 Jul 2026 11:22:29 +0200 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 13/27] KVM: s390: Prepare KVM/s390 for a second KVM module To: Steffen Eiden , kvm@vger.kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: Alexander Gordeev , Andreas Grapentin , Arnd Bergmann , Catalin Marinas , Claudio Imbrenda , David Hildenbrand , Friedrich Welter , Gautam Gala , Hariharan Mari , Heiko Carstens , Hendrik Brueckner , Ilya Leoshkevich , Janosch Frank , Joey Gouly , Marc Zyngier , Nico Boehr , Nina Schoetterl-Glausch , Oliver Upton , Paolo Bonzini , Suzuki K Poulose , Sven Schnelle , Ulrich Weigand , Vasily Gorbik , Will Deacon , Zenghui Yu References: <20260706085229.979525-1-seiden@linux.ibm.com> <20260706085229.979525-14-seiden@linux.ibm.com> Content-Language: en-US From: Christian Borntraeger In-Reply-To: <20260706085229.979525-14-seiden@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=Q/XiJY2a c=1 sm=1 tr=0 ts=6a50b9dc cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=4ICgCYz_5eq5xHeZtxMA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: -o4KQjMcDjW9IuVLEIRKcNyJghPFvYRL X-Proofpoint-ORIG-GUID: -o4KQjMcDjW9IuVLEIRKcNyJghPFvYRL X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEwMDA5MSBTYWx0ZWRfX2ecZOaa89DVV gssTNZtsp6kCWQh3BZpnJBCXe2DvQYdq75vW9N5pArjyKm8u48rPcWepb+44q9RQXKSEN5TRyEh xRiW/37z37sshT/ABKTWAwi0OYKN3hY= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEwMDA5MSBTYWx0ZWRfX/l5xUK8u3CMN qUhQPgpmqH+LJR1SEuw6Fcxo+bGOzFeRYoNrT3dh6Lj7egsG5Ion6v85xELlib2BSDRlyae36Zt laK7fIsIJmNv1g7iL4rdH8SxCyYhn/sico5xnGsuHdfuGeZITWl+XzWCNPUszap18Mm2d4ITyA4 ncrycSr/SlFUlH8fkMJVk8MfySO4fFRfTqMDU+eKGx4KhssgiIcJFkWkcbN/Ep5djq2q87WZnBk 9uy1obn6eG7fAmNDe73hMH6VoFnixXal8GvpwRBDOj0ITgST3pYeeKXnuQySlBkuc0cyGS93iUR n3t2vodJZNBpzsTlwKunDIWfTLpFYEDvys3BjhVoMXNInUZqh31qRJrVnMHOl/NQwBgZw6xARQj JcIFdrch2H5TnWvuBdXuZuo37tV1QRl75Vc6ejJhJSITvcn06loCIEX7I4dMnrx5Q945Fid/Z2+ pOE/sXfNswEOVDTdskA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-10_02,2026-07-09_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 spamscore=0 phishscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 lowpriorityscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607100091 Am 06.07.26 um 10:52 schrieb Steffen Eiden: > Lay the groundwork for a second KVM module. Guard KVM/s390 behind the > KVM_S390 config and turn CONFIG_KVM on if selected. Move all the > kvm_host definitions to _s390 postfixed headers. Prepare local header > include guards for a new location. Move gamp related tracing into a > separate file. While at it, rename the main KVM/s390 files from > s390-kvm.{c,h} to just s390.{c,h} to match the naming scheme of other > architectures. > > No functional change. [...] > arch/s390/include/asm/kvm_host.h | 774 +----------------- > .../asm/{kvm_host.h => kvm_host_s390.h} | 6 +- > arch/s390/include/asm/kvm_host_types.h | 347 +------- [...] > copy arch/s390/include/asm/{kvm_host.h => kvm_host_s390.h} (99%) > copy arch/s390/include/asm/{kvm_host_types.h => kvm_host_s390_types.h} (98%) This is just an "almost" rename only in the end. Maybe we can convince git to show a better diffstat to reflect that? In any case, I guess we can handle patch 13 and patch 14 pretty soon upfront so that the patch series gets smaller and is easier to review.