From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f46.google.com (mail-wm1-f46.google.com [209.85.128.46]) (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 0973210EE for ; Wed, 1 Mar 2023 09:20:30 +0000 (UTC) Received: by mail-wm1-f46.google.com with SMTP id k37so8108999wms.0 for ; Wed, 01 Mar 2023 01:20:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1677662429; 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=ksdV4yO+/ccC87yK6osO5dTNtiRfrlYmNqnr+scBfFo=; b=R4M5oYOcaqThwAC3+Mi3wP1Z5kZ5o+33EOc8N+bdvkNjAjTjnuZfS9F3eLsUisC1Hm hC0r5T4FZaQ+H3XBnz+SX24rnbELRy8DFVpt7cdQzKzTqmPM5Azz5yO3OdF7jxeYPuyK Ycszux1MDO7EiNUxaLiES0djq0YU/7XugDADt+Fo6WOpJ44a8ugyFLWilbUHDD34C21n rilDqiCPmzSXUYEXP3N63l6k9+eqMPQPaXEIgj7J/hTQkewr91AEHeB4hmj6cTyb8XZT 53be0KEbxw9PrPU+Flik8vQJhYEDs8Od5R7d4po8qokM4CtgV8HOHI3/7CtYXTL1x/z5 qYVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1677662429; 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=ksdV4yO+/ccC87yK6osO5dTNtiRfrlYmNqnr+scBfFo=; b=3kh02AdWBW3JgCM7Sg7vO+dMLFrmc3UyCmtRvYvQgIyyLfY4/kQCBoboNkcGfL3Rj0 6nr3mVvafXjNcWLOywDNvNoq5RxeORrZUhJPOBgfIyCtMGr6CVQN/6uK/sJVpEWeXdLf zIwDMhI3uiogMzUwtIgWJ5PoHzjuNVPvKXoflKc84Yn0vgIMhQOIe+Xy1RIDYQxCwLmp 0VkdTtvP56aptXxVwx7K3wPtWIsHDKv/93xrl0adQHMJC2JqGXa1iSg9bljPPIPbeMby mzjHF2VYZIPbn5lZhm5UrKY7EaZrSTn/MsyrpMjahtK9OZ5MaeKFdRZGQ3lqfPXb5jyp orQw== X-Gm-Message-State: AO0yUKUZQew6lFSecpRnMYyGOOwgnlXcbbGhaZJre7LVjQEy+6ZwffPo chMfoiDsaabWuVWw6mV+fRw+vQ== X-Google-Smtp-Source: AK7set90Ie+ijBFqKBrmMowRejIpuYczAUvaNPGHR/JgrcHLFFLzdHVU7dNTDOpzYjquvTEFuwnCFg== X-Received: by 2002:a05:600c:714:b0:3eb:29fe:70df with SMTP id i20-20020a05600c071400b003eb29fe70dfmr4155693wmn.35.1677662429259; Wed, 01 Mar 2023 01:20:29 -0800 (PST) Received: from myrica (054592b0.skybroadband.com. [5.69.146.176]) by smtp.gmail.com with ESMTPSA id y2-20020a1c4b02000000b003e203681b26sm14703927wma.29.2023.03.01.01.20.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Mar 2023 01:20:28 -0800 (PST) Date: Wed, 1 Mar 2023 09:20:29 +0000 From: Jean-Philippe Brucker To: Itaru Kitayama Cc: Suzuki K Poulose , 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: Hi Itaru, On Wed, Mar 01, 2023 at 08:35:05AM +0900, Itaru Kitayama wrote: > Hi Jean, > I've tried your series in Real on CCA Host, but the KVM arch init > emits an Invalid argument error and terminates. Do you know which call returns this error? Normally the RMEGuest support should print more detailed errors. Are you able to launch normal guests (without the rme-guest object and confidential-guest-support machine parameter)? Could you give the complete QEMU command-line? > I configure it with the aarch64-softmmu target only and built, any > other steps I should worry? No, that should be enough Thanks, Jean