From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8CCD937BE7C; Tue, 7 Jul 2026 15:10:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783437023; cv=none; b=XPcoW2Mzd0ZagAsVaHGzxT/suj/9YRvOOXIra8wghEVxjdX/hqcGW/y0rdbsBJtNlOVBK1n+KNZrLtniuepn2i3+9Te2H7dunT0JO25qWQkRRlwCMRTL9JUrIBzEdbgVQLamlJWeBSxKiXObW5bbqQBaloykeZoYpdgRV2mN9R4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783437023; c=relaxed/simple; bh=VaBrHkmJl3/TBITZBTUsKP1whCdPS2A5Cbmn/ECe/TU=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=nynpvCj774xzr3Sw10EfUZTZ25vOJy7XIuChnZQtWWPS4KKuW5gVCn4yRj9+GWK+MCYa+SXpGhc5+Ps4VrUKVKFfIiYOBuKxo7u/YroZ2ydRf9PSsSxcsc0vgcMlVBO0VXK/39oKVAXbkHRAl3N0HYHCSOzW8MYRSIr2v5vZ6Xw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GRoRwRfk; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GRoRwRfk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 386F51F00A3E; Tue, 7 Jul 2026 15:10:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1783437022; bh=NjRJOOgfj4HWWKYEXcQ/AbYuFATzaVJOA8skt66XvW4=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=GRoRwRfklUgC9ESBNWdgu/CRujDUfLkO0C2oxJG6sbpYcVgcthL0RnGtNQadUPwhM rzwRLn6AHj4WRRtiUsA+qSkbMqqSuQvvDBNxsogzdpdZntRV2bB5QBvBb57gy/hxXF mx7hkTtUhnoBCi5vex/zl4zelm5pL4IFSpB/rOByMSQJwI6kpmvAbSVEx7ZHgz1Os6 KmO4CAO8xKgDaOaNK05ZIE4eSxhKFAqk62s5RsnsrFc0LehgB6BF1Wfzuyj68QQHaY BSamnfjeUAbueswISwAg4qL+8/v4bBrqXpbeo/GDwzIQXcdItm+rpZL8w0835ZgVTI YpRfxyEM9+Y/A== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wh7RE-00000002SwD-12Vn; Tue, 07 Jul 2026 15:10:20 +0000 Date: Tue, 07 Jul 2026 16:10:19 +0100 Message-ID: <8633xuq1ic.wl-maz@kernel.org> From: Marc Zyngier 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 , Gautam Gala , Hariharan Mari , Heiko Carstens , Hendrik Brueckner , Ilya Leoshkevich , Janosch Frank , Joey Gouly , Nico Boehr , Nina Schoetterl-Glausch , Oliver Upton , Paolo Bonzini , Suzuki K Poulose , Sven Schnelle , Ulrich Weigand , Vasily Gorbik , Will Deacon , Zenghui Yu Subject: Re: [PATCH v4 24/27] KVM: s390: arm64: Implement vm/vcpu create destroy. In-Reply-To: <20260706085229.979525-25-seiden@linux.ibm.com> References: <20260706085229.979525-1-seiden@linux.ibm.com> <20260706085229.979525-25-seiden@linux.ibm.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: seiden@linux.ibm.com, kvm@vger.kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, agordeev@linux.ibm.com, gra@linux.ibm.com, arnd@arndb.de, catalin.marinas@arm.com, borntraeger@linux.ibm.com, imbrenda@linux.ibm.com, david@kernel.org, fritz@linux.ibm.com, ggala@linux.ibm.com, hari55@linux.ibm.com, hca@linux.ibm.com, brueckner@linux.ibm.com, iii@linux.ibm.com, frankja@linux.ibm.com, joey.gouly@arm.com, nrb@linux.ibm.com, oss@nina.schoetterlglausch.eu, oupton@kernel.org, pbonzini@redhat.com, suzuki.poulose@arm.com, svens@linux.ibm.com, Ulrich.Weigand@de.ibm.com, gor@linux.ibm.com, will@kernel.org, yuzenghui@huawei.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Mon, 06 Jul 2026 09:52:24 +0100, Steffen Eiden wrote: > > Implement init and destroy IOCTLS for vcpu and vm. > Implement arch vm IOCTL. Use s390 gmap. > > Co-developed-by: Janosch Frank > Signed-off-by: Janosch Frank > Co-developed-by: Andreas Grapentin > Signed-off-by: Andreas Grapentin > Co-developed-by: Nina Schoetterl-Glausch > Signed-off-by: Nina Schoetterl-Glausch > Signed-off-by: Steffen Eiden > --- > arch/s390/kvm/arm64/arm.c | 190 ++++++++++++++++++++++++++++++++ > arch/s390/kvm/arm64/arm.h | 56 ++++++++++ > arch/s390/kvm/gmap/faultin.c | 5 + > arch/s390/kvm/gmap/gmap.c | 4 + > arch/s390/kvm/gmap/trace-gmap.h | 13 +++ > 5 files changed, 268 insertions(+) > > diff --git a/arch/s390/kvm/arm64/arm.c b/arch/s390/kvm/arm64/arm.c > index 19249ec5c539..3a4092698fae 100644 > --- a/arch/s390/kvm/arm64/arm.c > +++ b/arch/s390/kvm/arm64/arm.c > @@ -8,6 +8,10 @@ > #include > #include > > +#include > + > +#include > + > #include "arm.h" > > static unsigned long system_supported_vcpu_features(void); > @@ -31,6 +35,7 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext) > break; > case KVM_CAP_IOEVENTFD: > case KVM_CAP_ARM_USER_IRQ: > + case KVM_CAP_PRE_FAULT_MEMORY: arm64 *doesn't* support this yet. Please make sure you don't deviate from what arm64 currently supports. Thanks, M. -- Without deviation from the norm, progress is not possible.