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 81F0B436BEA; Mon, 7 Sep 2026 11:47:10 +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=1788781631; cv=none; b=uwrEav22UCaI5n20qk2pMMwE5HwYFIm+I6swKVoT8TRdnm3XP38G+dc0JWwbf8VehatSI9WE1wyJF6y+EcV5n2BKl9eNQhTA5r3Zi2jKsUF9mP3FQATopYr1ZFBPV81aMukEagDkGgVSL6Y1jNRmBA2ctoBMORu+ITZZ2fxZRLs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788781631; c=relaxed/simple; bh=t7zfQYsesefqvJ7HSJmkoBA515XbmR5tcBI3bJrJXaI=; h=Date:Message-ID:From:To:Cc:Subject:In-Reply-To:References: MIME-Version:Content-Type; b=EyivWwPgE6jq8S0VpdU0CHpJGwldTiYNNOFrSzk+c5GI4YAhPff16Rd+4oF7nuTFTyRjZCLazt2n82uSvDD+/wELC3czBvXPYXoxQ5hJnspJb4QXxa9unTnvIU384MO6hHi+sagWuM/lSVU9gP46fxlgXEb8BXjIMmAbUY+P3To= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=iFTDFwQs; 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="iFTDFwQs" 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) Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev 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: 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 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.