From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f49.google.com (mail-wr1-f49.google.com [209.85.221.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B80D82F48 for ; Fri, 27 Jan 2023 15:26:34 +0000 (UTC) Received: by mail-wr1-f49.google.com with SMTP id n7so5297993wrx.5 for ; Fri, 27 Jan 2023 07:26:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=1tjEUzLFjJmxfniuCdsNKzTQp/eXm9sRTYtnzkPTRGE=; b=KUexmgRu5iOOfgI9R349Jd8L2TyoFbY1EsZAokQ3a/7AM3waZn4yATTO1YrXdP8Kkx z/0f4L+QJcoDx5Jc2YiSJDMPuTJ8B0SXLJYGhAos7+7yimV3ZtsDMFRmIYhi7FSEGK0Y 0B+2LfXh35sh1pdV9VUXz7s1hPuuZWjSLwlxaL61ndTEOwewE8naS+Pd3OlyBQ1zracL G67VJ+/oXtHG3eqDbpQiGSLl0vkaz+vnpH11xG7Wniomm6Pe5ayefFZsoihv6HZzdawf LIxM+KFl8helJIKHG11992tvJf6aFjAuN8VirRkVvAePOWtSP4Qj3mwuE446HVJWsbHR GCOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=1tjEUzLFjJmxfniuCdsNKzTQp/eXm9sRTYtnzkPTRGE=; b=Vq/Z3EYvHxsOrw/80EMvVQbategjv+5nDsIZUCs0RlJqAQmV420dD32AEzMtUy9FuH bWIRSwR+Vl7sbSpt7zucs/0lnjFvM9R6CgHgc5xkb7cxNRT6dcy6WReQR0iyC0gEmOfp skr8zIb7VcWZqYWqaOk8YfT/b4q/m8zQPacjhKXffMYwLRpEAYHVvAs6wOIVzxv3312+ miSOD5iJXmx1CFXnhj0+NZZsgrdIQqJ1NfOt5vbRF/pjVY7sYCPpLVn3EYoUEonKhy/e LgxGaFCGoDI8WVuEx39DuNUFt9ofZNxosbR5K6acu5CXdRmzRpjocsF7U71MeCc6Bftv Xp5Q== X-Gm-Message-State: AFqh2krF7q6NSOS9pDMqiB0RR2PEy3x+QuEivv1916aZx/9aI0y0EOpd o/E0kPKtocEdrVsZSJaINq1rbw== X-Google-Smtp-Source: AMrXdXva7H5XWHDFiLRxpONdNSBqnohgqBGHD8HwUdzNKwIZrLMJ1OzcPdG5hlDJpM6rYIT+Ntu+kQ== X-Received: by 2002:a5d:5083:0:b0:2be:546c:4663 with SMTP id a3-20020a5d5083000000b002be546c4663mr23900328wrt.45.1674833192983; Fri, 27 Jan 2023 07:26:32 -0800 (PST) Received: from myrica (054592b0.skybroadband.com. [5.69.146.176]) by smtp.gmail.com with ESMTPSA id e7-20020adfe387000000b002be15ee1377sm4265350wrm.22.2023.01.27.07.26.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Jan 2023 07:26:32 -0800 (PST) Date: Fri, 27 Jan 2023 15:26:32 +0000 From: Jean-Philippe Brucker To: Suzuki K Poulose Cc: linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Alexandru Elisei , Andrew Jones , Catalin Marinas , Chao Peng , Christoffer Dall , Fuad Tabba , James Morse , Joey Gouly , Marc Zyngier , Mark Rutland , Oliver Upton , Paolo Bonzini , Quentin Perret , Sean Christopherson , Steven Price , Thomas Huth , Will Deacon , Zenghui Yu , kvmarm@lists.cs.columbia.edu Subject: Re: [RFC] Support for Arm CCA VMs on Linux Message-ID: References: <20230127112248.136810-1-suzuki.poulose@arm.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230127112248.136810-1-suzuki.poulose@arm.com> On Fri, Jan 27, 2023 at 11:22:48AM +0000, Suzuki K Poulose wrote: > We are happy to announce the early RFC version of the Arm > Confidential Compute Architecture (CCA) support for the Linux > stack. The intention is to seek early feedback in the following areas: > * KVM integration of the Arm CCA > * KVM UABI for managing the Realms, seeking to generalise the operations > wherever possible with other Confidential Compute solutions. A prototype for launching Realm VMs with QEMU is available at: https://lore.kernel.org/qemu-devel/20230127150727.612594-1-jean-philippe@linaro.org/ Thanks, Jean