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Tue, 6 Oct 2026 16:01:15 +0000 (GMT) Received: from vela (unknown [9.111.1.151]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTPS; Tue, 6 Oct 2026 16:01:15 +0000 (GMT) Received: from brueckner by vela with local (Exim 4.99.5) (envelope-from ) id 1xE7bO-00000000tiM-3XTP; Tue, 06 Oct 2026 18:01:14 +0200 Date: Tue, 6 Oct 2026 18:01:14 +0200 From: Hendrik Brueckner To: Steffen Eiden Cc: kvm@vger.kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, Alexander Gordeev , Andreas Grapentin , Arnd Bergmann , Catalin Marinas , Christian Borntraeger , Claudio Imbrenda , David Hildenbrand , Friedrich Welter , Fuad Tabba , 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 , Sean Christopherson , Suzuki K Poulose , Sven Schnelle , Ulrich Weigand , Vasily Gorbik , Will Deacon , Zenghui Yu Subject: Re: [PATCH v9 02/24] KVM: Move architecture capability Kconfigs to header defines Message-ID: References: <20260930173441.66762-1-seiden@linux.ibm.com> <20260930173441.66762-3-seiden@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260930173441.66762-3-seiden@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-ORIG-GUID: Uk2b7HaGQ38dTbtCU9DkrQCab_71a3R- X-Proofpoint-Spam-Info: AW1haW4tMjYxMDA2MDA2MiBTYWx0ZWRfX7ZTpHKTr9Gd7 VsRMbnGfdUbPWq5Agr64CDEu7EIwNBASkueQr5RTs5SsCpPfHMxcMfOnBU/M1V5px07uoVZNTlL bnJUOdFSLkGe16hHy8fT4SPYzJKF8/8= X-Proofpoint-GUID: UA3t0xK88c6-8lHonjKH3cXitZpW-HHG X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA2MDA2MiBTYWx0ZWRfX9UoPq4Sebe89 jp5knOE3JTwJsHTzkRL2RLESHYJfSZhPageyY8KfMaHhXtUC5vK9WspNRSZP8ZKGRDvWK/I76Bt ERt86IUqC6HbLp6uR+uCLlW340vTma3kvWvLoE3QyS9BCWFFzNuq9jxI7dwaJk9uz6a4Ry69aJ+ oTYlU+3Q+inLZ8oKqs9smI2rzkxWt5dGlqSnzURIpIvC+phVZKxfv+PpuWTxPVGbdPcXICGM/QX PVYNwdYR4hwprOjvuPGB2I61Kk7hVnX6+mUQM/7hMgD8GInNP1NEsGGQ36GBoOSHGo4119STTv4 +eDFghZHoK5MlwHsIKfvwbTkkN8hlnmdIivDOPyXd6zErWGBo6840rvwgoQTV2NViUyTMqbdKwJ VrBHDUr0dM8ANYbSGtCh/lY6geTUwli5ukavMne795rWyFeJ3Lv2TjLPyAcet+KtyK7iPVmtZYe 9KzmPCKYwRGflUbZd6g== X-Authority-Analysis: v=2.4 cv=fM2sTpae c=1 sm=1 tr=0 ts=6ac51b50 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=kj9zAlcOel0A:10 a=660iZSQnnn4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VnNF1IyMAAAA:8 a=hrijWW3zfvV0ByoAMhMA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-06_04,2026-10-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 bulkscore=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 malwarescore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2610060062 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261006_090136_588102_6428254C X-CRM114-Status: GOOD ( 13.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Sep 30, 2026 at 07:34:17PM +0200, Steffen Eiden wrote: [...] > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -750,7 +750,11 @@ static inline u64 kvm_gmem_get_supported_flags(struct kvm *kvm) > #ifndef kvm_arch_has_readonly_mem > static inline bool kvm_arch_has_readonly_mem(struct kvm *kvm) > { > - return IS_ENABLED(CONFIG_HAVE_KVM_READONLY_MEM); > +#ifdef KVM_READONLY_MEM > + return true; > +#else > + return false; > +#endif > } > #endif Minor style nit: maybe remove the preprocessor "noise" from within the function by defining two versions of them. Looks a bit cleaner then: #ifdef KVM_READONLY_MEM static inline bool kvm_arch_has_readonly_mem(struct kvm *kvm) { return true; } #else static inline bool kvm_arch_has_readonly_mem(struct kvm *kvm) { return false; } #endif However, both versions are fine with me. Acked-by: Hendrik Brueckner