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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01D07C27C76 for ; Wed, 25 Jan 2023 15:46:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235678AbjAYPqo (ORCPT ); Wed, 25 Jan 2023 10:46:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234965AbjAYPqm (ORCPT ); Wed, 25 Jan 2023 10:46:42 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BDCC3867B for ; Wed, 25 Jan 2023 07:45:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1674661557; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ICOQ0lI4jayJOi1F8jmzacTe6AptwAx/4207AzFH5bw=; b=RhNDdKcO895Oq4aS8xdE8TNO/rPxdzGqx6Xbi9qpoLStN6bgDyOts38JoTk54X1xJfbh06 pRSRZQWdi4o9gy/xW3rb3Wq/BSBKUV8PIJXw9dURq6uwVOr23HFfbJSy4bCH6ySCwpeZIq judDaSfx0+fBOgEsqesMrQ/BM0vuS80= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-623-qFP8qDUDOjGRoPCQhAf-dQ-1; Wed, 25 Jan 2023 10:45:55 -0500 X-MC-Unique: qFP8qDUDOjGRoPCQhAf-dQ-1 Received: by mail-wm1-f71.google.com with SMTP id az37-20020a05600c602500b003da50af44b3so11126720wmb.1 for ; Wed, 25 Jan 2023 07:45:55 -0800 (PST) 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=ICOQ0lI4jayJOi1F8jmzacTe6AptwAx/4207AzFH5bw=; b=STLBA3H9fXMsH+V4McI1LSWqx63j6djadrikLNu6MWsU5v71TKrX4JUlv16tIjy9pV ht1LyIm5dP+bOiYnQgGNfs1XkmEz0PabkQWS8bf6vE1laAxYtj2UuAS3HZh12dtSn4L/ 0dSFiT8za8dWbXY8H4UfveE118YQA9OTso/sXywqxhR+vvTwtEHl0of3yoMvJWC1RHm2 L50gqHBEvuN3y0Knlm7QxkeUS82NG+L/xmSPHReyRPNL+tDvllKB4xU6b+kRrYcVYqeM uq+bPUZtSxqsU0PHC3qgfOR3v5LXX40Ms6JkjyyBXPHd+uRxP72E49F3zUSsd0PdCgAP VOjA== X-Gm-Message-State: AFqh2koNp3ouuL3W+oReh7Y4sQQ316G1Mct0rwX2bvppHSPd7h9CbJeR Zezl8NsmvLevDqdSdnmhd2yaIi6IZLn9ehOEpcLMgMWSW36KVUgOwfi3TKOeWLeeDDoQvSJ0qcq Itn0V9U7Ts9LWu1i6uTJ2qlHq X-Received: by 2002:a05:600c:5021:b0:3d9:9755:d659 with SMTP id n33-20020a05600c502100b003d99755d659mr32291946wmr.22.1674661554323; Wed, 25 Jan 2023 07:45:54 -0800 (PST) X-Google-Smtp-Source: AMrXdXt4r3o4JC6sVvG5SGoomw0+ADd/Yrj1/OUW7gKaL25MnQJnEVdJ/foP+g2R3Vzo9Pg6b8EB1g== X-Received: by 2002:a05:600c:5021:b0:3d9:9755:d659 with SMTP id n33-20020a05600c502100b003d99755d659mr32291918wmr.22.1674661554080; Wed, 25 Jan 2023 07:45:54 -0800 (PST) Received: from redhat.com ([2.52.134.175]) by smtp.gmail.com with ESMTPSA id k21-20020a05600c1c9500b003da28dfdedcsm3022846wms.5.2023.01.25.07.45.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Jan 2023 07:45:53 -0800 (PST) Date: Wed, 25 Jan 2023 10:45:48 -0500 From: "Michael S. Tsirkin" To: Greg Kroah-Hartman Cc: "Dr. David Alan Gilbert" , "Reshetova, Elena" , "Shishkin, Alexander" , "Shutemov, Kirill" , "Kuppuswamy, Sathyanarayanan" , "Kleen, Andi" , "Hansen, Dave" , Thomas Gleixner , Peter Zijlstra , "Wunner, Lukas" , Mika Westerberg , Jason Wang , "Poimboe, Josh" , "aarcange@redhat.com" , Cfir Cohen , Marc Orr , "jbachmann@google.com" , "pgonda@google.com" , "keescook@chromium.org" , James Morris , Michael Kelley , "Lange, Jon" , "linux-coco@lists.linux.dev" , Linux Kernel Mailing List Subject: Re: Linux guest kernel threat model for Confidential Computing Message-ID: <20230125103816-mutt-send-email-mst@kernel.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jan 25, 2023 at 04:16:02PM +0100, Greg Kroah-Hartman wrote: > Everyone wants a subset, different from other's subset, which means you > need them all. Sorry. Well if there's a very popular system (virtual in this case) that needs a specific config to work well, then I guess arch/x86/configs/ccguest.config or whatever might be acceptable, no? Lots of precedent here. -- MST