From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DB8B2C83029 for ; Mon, 30 Jun 2025 18:14:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Subject:Cc:To:From:Message-ID:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=IZc+c9PIZZMIc+ibI+LVvwhWK2sGNGUIV/jrLybq0cw=; b=kspbk90NkhhRMtBV3vttNVqG62 zCZ09iNR9pGJ44uN/hmwuJL7+yt5/eBmtM4dCVnlmujzZDhYC6xwhL9i1XAm8pATCGC3L8tnj+XmV 7kmqC1JkRiqSrJBhbTCEY1VC8nKwH+E/1c9ijD/x/7h9i/Lnpaj0LrbCsiR0SaOe4fvcoFXV7jWeB F9I3Cnhu7vrqSdaXXScBpEpxxCd2IT796tYAVi0ka+SCBE6Exk/C64wfPLoeHsWOhbyWRIkBNawN5 yLwCkpmM9WukdDxVMiGy+H8jnKv7qhHrxvt225RrjZtaoiySCjDYbvmm99WgSSdgpSkx0KLPq7EWX 0zXV7d9Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uWJ1X-000000039f3-3fDl; Mon, 30 Jun 2025 18:14:35 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uWI80-000000033GB-311y for linux-arm-kernel@bombadil.infradead.org; Mon, 30 Jun 2025 17:17:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:MIME-Version:References: In-Reply-To:Subject:Cc:To:From:Message-ID:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=IZc+c9PIZZMIc+ibI+LVvwhWK2sGNGUIV/jrLybq0cw=; b=GXkRjRHLmvGG+t30RPB+DTIqyG R8uujLr7NyQoaft6MFi4FmQDa9zaYWEMwlCIH8uGz76WVtzxO9kt8Fol7Nj50wFoMFdmb2r+Scq2k /85/Qja2be2vloQ+Rm7VSoemoUMckoAFFsX5nn/uQ2IMkON5YAcys716mkDCJJfWtI+xMWbKBymZw eyhB0Kq/CXAauqqktA4ePHTT7YUjs9UjcGR3uJEPmUZlfIrI1Pjsk11UQdsC6+FP9saRmNDVPbo0d IaCGKS0ARmt1vfumfHpW6qAufqWLKwtkxcj3n5w090W1ih6RFp9Bi5x8W6DegO1cqSyi34j/GiLDM ELIF/ynQ==; Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by desiato.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uWI7x-00000006pIV-2Hyf for linux-arm-kernel@lists.infradead.org; Mon, 30 Jun 2025 17:17:11 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 44E44A5354F; Mon, 30 Jun 2025 17:17:06 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE5D1C4CEE3; Mon, 30 Jun 2025 17:17:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751303825; bh=RxENiAIxryG/e9PnDRmuJ2qoeNevxHN+jSL1+CqMpqw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=gK7PLjxPWHRqv8leFMCxzAZgWK02KxZqRotqN8kQWL4Io69FgUlJ0Fo2ZgCYWBJlY CeCre45jA8BT+VMmEktD6EtSMdfkCjYyWxky07IUb4TgRoihvNGYCfGgHwN/OYSeif 9W7RDwjwepqgEJxMt/owvKqHaszwHtqfAaYrVyn+HOQrPRB1YiVjl2As0HL0IQExd1 Jv7zwgafCJbW98b7kjfQCCT4wE/cjPlopOmSyPb1pDVQLsBcTB0Kaekf+LAHdHsgfa vT0o7Yat4+natNFdPbKo49LdEHjQFKvQK+qt0Mx+usj4BSXqBwbItRTTQvMvp2YPRG Qh4Clax4BIHiA== 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 4.95) (envelope-from ) id 1uWI7r-00BJye-1d; Mon, 30 Jun 2025 18:17:03 +0100 Date: Mon, 30 Jun 2025 18:17:02 +0100 Message-ID: <86jz4tb14h.wl-maz@kernel.org> From: Marc Zyngier To: Lorenzo Pieralisi Cc: Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Catalin Marinas , Will Deacon , Arnd Bergmann , Sascha Bischoff , Jonathan Cameron , Timothy Hayes , Bjorn Helgaas , "Liam R. Howlett" , Peter Maydell , Mark Rutland , Jiri Slaby , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-pci@vger.kernel.org Subject: Re: [PATCH v6 00/31] Arm GICv5: Host driver implementation In-Reply-To: <20250626-gicv5-host-v6-0-48e046af4642@kernel.org> References: <20250626-gicv5-host-v6-0-48e046af4642@kernel.org> 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) 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: lpieralisi@kernel.org, tglx@linutronix.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, sascha.bischoff@arm.com, Jonathan.Cameron@huawei.com, timothy.hayes@arm.com, bhelgaas@google.com, Liam.Howlett@oracle.com, peter.maydell@linaro.org, mark.rutland@arm.com, jirislaby@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-pci@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250630_181709_826899_C22CE3B6 X-CRM114-Status: GOOD ( 17.16 ) 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 Thu, 26 Jun 2025 11:25:51 +0100, Lorenzo Pieralisi wrote: > > Implement the irqchip kernel driver for the Arm GICv5 architecture, > as described in the GICv5 beta0 specification, available at: > > https://developer.arm.com/documentation/aes0070 > > The GICv5 architecture is composed of multiple components: > > - one or more IRS (Interrupt Routing Service) > - zero or more ITS (Interrupt Translation Service) > - zero or more IWB (Interrupt Wire Bridge) [...] I think what is here is pretty solid, and definitely in a better shape than the equivalent GICv3 support patches at a similar point in the lifetime of the architecture. For patches in this series except patch 18: Reviewed-by: Marc Zyngier If this goes into 6.17 (which I hope), it'd be good to have this series on a stable branch so that we can take the corresponding KVM patches[1] independently if they are deemed in a good enough state. M. [1] https://lore.kernel.org/r/20250627100847.1022515-1-sascha.bischoff@arm.com -- Without deviation from the norm, progress is not possible.