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 69416442FB2; Thu, 13 Aug 2026 10:53:10 +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=1786618405; cv=none; b=vDOhvNffxGsS50GsCmszboIer05S0Lq8wZBKr91pPrmHq/5bkylUOnESWtHMbmFvHHdzR6zp+WgAuvcAgyjb0+9ULClBTuuCIfo+EZB/J5nk9+UR9oVvpaVx4HPtCtQSoOKhaxTc48WT/K/iHTVMNbnAPZtsCPnQBQtga46Um+A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786618405; c=relaxed/simple; bh=UmtOQgh8AlUQn3iyv8wluvEBx3/kVGOP518uE9gGsqg=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=FuoPvZsajS8jkcAMhC/nLlhNea6BY5oneOkZSRwvlAJNhUdWwg6A0VxMEIaS8TtzUPiLmX4D5DPDrSYSk/D0Oz+e4vgVAyJVASjJfjhCk2V8pjvUEr6RDLasgCzNA0KBKuGO5G1kJjfJg2daTaWMTiCRTNy2ZtTUkJysjZ63+eo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nzksol/D; 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="nzksol/D" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10BE91F000E9; Thu, 13 Aug 2026 10:53:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786618387; bh=VClEaxk6PDCpbMUBw2853JJXBEWZhgyWS9kaf0qrafQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=nzksol/DmEAKL+PU4VlCleNZvyT2VvWMcIssccG/5Y0HHY+sS8wwZrHwailJWtN2W ioW61Xkgktd1X2ogFCtzfYbJBPeLCGIHXRFXzyIk1AgKYQWr3F+aO/DlP8/Dt33RDr VuFO44XSAULWO/reQ7+nAgD2+RgBlqOz/2kKOChf0GH596MsDKHCA8fB/s9YuYKtkg kuV1l1z7UpK9FbBkcBzQqghnCxltBGxhHmDm7v28xEBJ5khRkJj0g+xXMgVbNiu/BA cTrMjvz2g7BjhBnNENloZ4Ep4h3onORffkRCuEwo9cACH3GIjjAME+KfOkmragPrM6 MXCMii2/SljwA== 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 1wuT3Z-0000000FIud-0BzS; Thu, 13 Aug 2026 10:53:05 +0000 Date: Thu, 13 Aug 2026 11:53:04 +0100 Message-ID: <867blu1ecv.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 , Fuad Tabba , Gautam Gala , Hariharan Mari , Heiko Carstens , Hendrik Brueckner , Ilya Leoshkevich , Janosch Frank , Joey Gouly , 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 v6 00/33] KVM: s390: Introduce arm64 KVM In-Reply-To: <20260812153631.3376090-1-seiden@linux.ibm.com> References: <20260812153631.3376090-1-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: linux-kernel@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, tabba@google.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, seanjc@google.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 Wed, 12 Aug 2026 16:35:56 +0100, Steffen Eiden wrote: > > Introduce arm-on-s390. Enable KVM-accelerated ARM CPU virtualisation on s390. [...] > Based on next-20260811. Please don't do that. -next isn't a reliable base for *anything*. For all I know, half of what's in -next is broken and will never be merged. This makes the whole thing untestable. Base your patches on a release tag: ideally an -rc from Linus' tree, or (worse case) a kvmarm tag for patches targeting KVM/arm64. We can easily deal with conflicts at merge time if necessary, and ask you to check that nothing broke in the process. Thanks, M. -- Without deviation from the norm, progress is not possible.