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 805C3C79F9E for ; Mon, 7 Sep 2026 11:47:27 +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=DVB6LVe97eZNFBERy+A154kH+m53kcC25g88DpohPr0=; b=RXqj/njeYidAvaTyPxBfeJlqVD IcsLX4ZfKcnVqbw2uvmy7t4vsTK+4h1ZPFjUGEV+rLGgAIbDAKFLvqixOenbCuUOprBDAJVLttHM0 9d98ZnQp25jFPNSXE/mcareRYPjaT4k0Is5WIqWfZhf1H4c3exF3MaFrt1IYQ2crFZIBVGUp2iRPe 3RbdNDUxIXzyoHaZVqRD8zLmgMfiH/Qb4i7U8LwDEiDEh+ZYP5IsBgpJIHKnLODGrIFA7v0sbuMDT cCw+QDM84h2db0EKCYtPhVqDibx6ZE9qa18Lf1wAXU8rM7WkW+vjy67bebkN0crYpFceifP2SVcAI wnsA+0Tg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3Xoe-00000006hxu-2wHt; Mon, 07 Sep 2026 11:47:12 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x3Xod-00000006hxG-1uqx for linux-arm-kernel@lists.infradead.org; Mon, 07 Sep 2026 11:47:11 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 7852260AB5; Mon, 7 Sep 2026 11:47:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D5FB1F00A3D; Mon, 7 Sep 2026 11:47:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788781630; bh=DVB6LVe97eZNFBERy+A154kH+m53kcC25g88DpohPr0=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=iFTDFwQsQbJl/5TzD0+XECiLo7850iz9UBtGyreADq2cKdAzQmn2QqtxS3u1Jsbru T7ADD1ZpbJmdIp7K0/sQEMjDrSdqnoDAQvpe/jbHJyuwN9JTn1Phst5EN6d5L8Q2Qp 84J3i5PcTd8KZybNAkQcxe+193DshRNB6Nzaub8mc8QXpc+b1S4VVijj8v6s+zdXgE P3aWWuOLB0vAo3Dcdt8D3/ydht8W/Ye2fCFSjAPcE68AjKezyE2JoA1REXC3F2kf4H vdW7FvGO1UADE5HJspSSbOcKjYme76WJEiXGNuaEHBL+ONTHBDwIr0PfPvFC+Bi7xA 9yeaCKJytc78Q== 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 1x3XoZ-00000005k3D-2akC; Mon, 07 Sep 2026 11:47:07 +0000 Date: Mon, 07 Sep 2026 12:47:07 +0100 Message-ID: <86ecf5472c.wl-maz@kernel.org> From: Marc Zyngier To: Kohei Enju Cc: Steven Price , kvm@vger.kernel.org, kvmarm@lists.linux.dev, Catalin Marinas , Will Deacon , James Morse , Oliver Upton , Suzuki K Poulose , Zenghui Yu , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Joey Gouly , Alexandru Elisei , Christoffer Dall , Fuad Tabba , linux-coco@lists.linux.dev, Ganapatrao Kulkarni , Gavin Shan , Shanker Donthineni , Alper Gun , "Aneesh Kumar K . V" , Emi Kisanuki , Vishal Annapurve , WeiLin.Chang@arm.com, Lorenzo Pieralisi Subject: Re: [PATCH v16 22/45] KVM: arm64: CCA: Handle RMI_EXIT_RIPAS_CHANGE In-Reply-To: References: <20260803134403.80630-1-steven.price@arm.com> <20260803134403.80630-23-steven.price@arm.com> <86fqzl4biu.wl-maz@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: enju.kohei@fujitsu.com, steven.price@arm.com, kvm@vger.kernel.org, kvmarm@lists.linux.dev, catalin.marinas@arm.com, will@kernel.org, james.morse@arm.com, oliver.upton@linux.dev, suzuki.poulose@arm.com, yuzenghui@huawei.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, joey.gouly@arm.com, alexandru.elisei@arm.com, christoffer.dall@arm.com, tabba@google.com, linux-coco@lists.linux.dev, gankulkarni@os.amperecomputing.com, gshan@redhat.com, sdonthineni@nvidia.com, alpergun@google.com, aneesh.kumar@kernel.org, fj0570is@fujitsu.com, vannapurve@google.com, WeiLin.Chang@arm.com, lpieralisi@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-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 Mon, 07 Sep 2026 12:12:36 +0100, Kohei Enju wrote: > Is there any ongoing work to address this that you are aware of? This > seems like a fairly broad topic that may require a separate discussion. I don't think anyone is working on this yet. But I guess that making it clear that this needs to be sorted *before* we merge the KVM CCA support should get things (and people) in motion. Thanks, M. -- Without deviation from the norm, progress is not possible.