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Tue, 03 Nov 2026 11:45:56 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay04.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 6A3BjoS127460120 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 3 Nov 2026 11:45:50 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 770852004D; Tue, 3 Nov 2026 11:45:50 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9A1B320040; Tue, 3 Nov 2026 11:45:49 +0000 (GMT) Received: from osiris (unknown [9.111.24.158]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTPS; Tue, 3 Nov 2026 11:45:49 +0000 (GMT) Date: Tue, 3 Nov 2026 12:45:48 +0100 From: Steffen Eiden To: Sean Christopherson Cc: Marc Zyngier , Oliver Upton , Tianrui Zhao , Bibo Mao , Huacai Chen , Madhavan Srinivasan , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Paolo Bonzini , Fuad Tabba , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Nicholas Piggin , Atish Patra , Alexandre Ghiti , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvm@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Teodorescu Subject: Re: [PATCH 1/7] KVM: s390: Drop unused and unreachable kvm_arch_vcpu_should_kick() Message-ID: <20261103114548.119911-B-seiden@linux.ibm.com> References: <20261028190259.1819571-1-seanjc@google.com> <20261028190259.1819571-2-seanjc@google.com> <20261102153228.240804-H-seiden@linux.ibm.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , Precedence: list X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-GUID: pVpgdP1XGIbnstN6hf1_H30Mry2kEc8w X-Proofpoint-ORIG-GUID: l9khr2_nw7GEkBcFn3H6-NSEwUfuIP0C X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTAzMDA0NiBTYWx0ZWRfX1XmGS9lHsUL0 R/pqFn7OS4O6sIvO6xkJJLw7ub5XYBJJ8rT4n7ytkLsrM+nXxJ8ALAk6IZ7cxaLgxzx/sz6YekU QUQNLzCc+AcEIzFSIIId4SI+3jZ4xWcemIVFHv+lYM846eTlTDBy/sVfsO3lwE4suzbkGudS2Kb gxPBGGgvMaIVdytp/A39MMoe5QDoT7CkGj5SGrkaqTAe4eTeD+SzsmTdUt/UyjY9TJC3JseqnJa QEo75BJzfvgqw3u+U+2wRBpyO7uPflzaZ5caj2HokpnoTurGkxzXBgpUXpjVDxTHjuBmXjI8rPa vxWDAmBlV9AhIXjL/sn+6LcGLT5sIIA/1vfGnxBH9hGUn2tSE9JXdCrUFdxql4RE+ZLXgJZ4H1I Kt9BEBx2jKRF/wavIUPm0bKdaAiukt/xqjNHAoSCxYurQjxD+KTis8S/8SmPNJktwNxtQkMBgIp 7SZvF2lkFSgtvQ77a7g== X-Proofpoint-Spam-Info: AW1haW4tMjYxMTAzMDA0NiBTYWx0ZWRfX8KXTgj3ZDXIb rszJKiaYCEhjwddi22AWOUixDabzaYbTZeZqW4OyLHY9z/7j8facbJ5/xv2IRGOBpQn4thL/pQY S1fxrlzI0e+Xs7MM8Gx7oKdd53KSVec= X-Authority-Analysis: v=2.4 cv=FIqOVOos c=1 sm=1 tr=0 ts=6ae9c975 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=kj9zAlcOel0A:10 a=zJRp6_cAMcgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=14yfDfNcGX1pIiSJYtUA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-03_02,2026-11-02_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 bulkscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611030046 X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_PASS,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Mon, Nov 02, 2026 at 07:34:32AM -0800, Sean Christopherson wrote: > On Mon, Nov 02, 2026, Steffen Eiden wrote: > > On Wed, Oct 28, 2026 at 12:02:53PM -0700, Sean Christopherson wrote: > > > Drop s390's kvm_arch_vcpu_should_kick() stub as the one and only call site > > > is wrapped with "#ifndef CONFIG_S390". > > > > In the somehow near future I'll remove those #ifdefs and use the kick > > stuff for kvm_arm64. The native s390 KVM then must at least keep an > > (unused) symbol at hand. It seems that the compiler could not optimize > > those calls away. So let's keep it there so I do not have to re-add it > > soon. > > Please read the rest of the series. kvm_arch_vcpu_should_kick() goes away > entirely. Sorry for that. This patch just jumped to my attention and I had no time yet to read the rest. Steffen