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 B007AC5AC7A for ; Thu, 6 Aug 2026 23:11:49 +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-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HhR7VQd3Lnap7YrCgJV7cJg4hHHTnDU4T9DOUg42A20=; b=oknpM/dcnpZeefPGIhFX18MSEu NfLLfQgOqNKzKNWj3p+3zVsUS/QqMeFjFdy1AdZLIxRJQf369wgxOyi7tJ1+KWkcwG3dWmXZt0j6g ku59IlyWtpJiWwZpmPA3wdIm6m1z53DuEAR8WDC2E3DAKI3QmE5jCLges38k9Eo7ugtGlXuGHvAI/ kkEoIQ2T+TKrNk10ozX//N9h/4pjw8XLacWCHV2YwtHxeYAl89hXy6c5GmHzyBVqb0JFTSi3dLANR uQsSHZlkuXINPjKSsC1s7rwSl9TjD4qq63VHf3QcUPqZniwclHY3jz9kSQ/6AHZD3aw4p/wSbwYJp M6/qJ1sQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1ws7FT-00000006plv-13vQ; Thu, 06 Aug 2026 23:11:39 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1ws7FR-00000006plR-2Hx5 for linux-arm-kernel@bombadil.infradead.org; Thu, 06 Aug 2026 23:11:37 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:Content-Type :In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date:Message-ID: Sender:Reply-To:Content-ID:Content-Description; bh=HhR7VQd3Lnap7YrCgJV7cJg4hHHTnDU4T9DOUg42A20=; b=A6OshfbMZIDxPOMys8JezjfUgj 7GsoCnQapa3hDn/eRTmmTbGAgcASderRxPwrI7RAQL3Z5xxxTafHs29D7vqcrvJNOSjSbxKmMf//x HK37Ma+dqdtuSgbA7jS/Ft5rg5csQKJKWIk8U02ffdpxEHBV15Ri5Ntjb68mS/PaxMJDJwdIdQsu4 zDeCUCu/c4OEx8pK+GwQCkJ42ctlpLx1caHTdXiuSf/s6DPX1Niw4azGBHhoU+OT3rA+bcxl4k6pJ HqvBgr0/UMLu4YS40XKn5rlKbcOk5wOezIliSMFs4nrD6Pw1ydZ82LC5FvGwiazgjNyN433BwdpCW qmIYMnJg==; Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.99.2 #2 (Red Hat Linux)) id 1ws6DZ-0000000BuI0-3BZN for linux-arm-kernel@lists.infradead.org; Thu, 06 Aug 2026 22:05:40 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id ECAAE153B; Thu, 6 Aug 2026 15:05:28 -0700 (PDT) Received: from [10.57.40.157] (unknown [10.57.40.157]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 69FC33F86F; Thu, 6 Aug 2026 15:05:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1786053932; bh=v/L2HSf1KNTXA1th8L9+b1jkT+PbXLtTdKC9CLCe6aE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ggV3jSsHif6GUt7ygEDwaca9HUMK4dxVMocg6ZDOcSTYTGW7gyBLCn/NxistwWIYY ZhqNSDSTYi7IlWKSmhbKa/WvSzz0YuA93NktJ+rTZauHLz5QABYmi3axkC9VIrLpOC BdR5yVpTOPRmtrPkEza5Ap0eiOFafFv3jBGAadQQ= Message-ID: <42170467-fe36-4382-867f-49bdc6a7bc9a@arm.com> Date: Thu, 6 Aug 2026 23:05:27 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v16 00/45] arm64: Support for Arm CCA in KVM Content-Language: en-GB To: Steven Price , kvm@vger.kernel.org, kvmarm@lists.linux.dev Cc: Catalin Marinas , Marc Zyngier , Will Deacon , James Morse , Oliver Upton , 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 References: <20260803134403.80630-1-steven.price@arm.com> From: Suzuki K Poulose In-Reply-To: <20260803134403.80630-1-steven.price@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260806_230538_129731_392732A8 X-CRM114-Status: GOOD ( 11.29 ) 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 03/08/2026 14:43, Steven Price wrote: > This series adds support for running protected VMs using KVM under the > Arm Confidential Compute Architecture (CCA), including the firmware > support needed to communicate with the Realm Management Monitor (RMM). > ... > This series is based on the guest_memfd in-place conversion v9 tree[1], > which is itself based on kvm-x86/next. It is also available as a git > repository: > > https://gitlab.arm.com/linux-arm/linux-cca cca-host/v16 > > Work in progress changes for kvmtool are available from the git > repository below: Here is a cleaned up version, rebased on to Will's kvmtool master branch: https://gitlab.arm.com/linux-arm/kvmtool-cca cca/kvm-v16 (This works with the v15 of the KVM series too) Build on top of Fuad's Guest memfd support patches. Cheers Suzuki > > https://gitlab.arm.com/linux-arm/kvmtool-cca cca/v13