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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 7C2D8C433EF for ; Sat, 9 Jul 2022 03:01:42 +0000 (UTC) Received: from localhost ([::1]:42924 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oA0iz-0002OO-Cl for qemu-devel@archiver.kernel.org; Fri, 08 Jul 2022 23:01:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48850) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oA0hM-0001KQ-29 for qemu-devel@nongnu.org; Fri, 08 Jul 2022 23:00:00 -0400 Received: from mail-pl1-x62f.google.com ([2607:f8b0:4864:20::62f]:33550) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oA0hK-0002Hi-5D for qemu-devel@nongnu.org; Fri, 08 Jul 2022 22:59:59 -0400 Received: by mail-pl1-x62f.google.com with SMTP id p16so313836plo.0 for ; Fri, 08 Jul 2022 19:59:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=+wfnHbZqha+Bnbae0/WVZKsuUJrB7fybdYg9Vfg9MfA=; b=aUxyPdXKSwd0UinnwmEnUJ3e4lJl/uGAGrPQOIHOvoKrX2HFgl1tHixPc2A1/3jmjc AU8WbfjbJb1p0vM1gZMezxccJIcNg3o5xfyxEBwzl1hnAwOZmSdhLk33Acy61qbtcPIO DbH0IR1sR3g2aNCKNPvYLYrDRH7pw1wJFiDnVzqaSVEkIIu5geIeJsZfdq60//s8y+PR NQSZsKLlwHIrrfo5uaoIR8wm1LczJ/7I2OfK5MAD1GH/KZqk2VHbD08HfI5sQgEwVGMQ IE/r2922aK0OsZvTvoGARRG7qCnT2qkQUklP/8iStdK9HNSmwcgmJqjj+jfxUG/IGvVd SSjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=+wfnHbZqha+Bnbae0/WVZKsuUJrB7fybdYg9Vfg9MfA=; b=oJx1t8HmqwKwIQmnTyUyZjqLrpE0Sz1YKcuaZeD3JToGAfJoqS14RXBG1rY5alyrWQ 2UlyoNsPGN9hxoKlUJ/tvCfuOseE0y8qIAcHYmKrVZbZPqMd+ElQJxqe28yUEgzN5UiJ o+RQwyGzewE19MVPvweByS68dHY9OhILcD9laiqPkr/dMea8ciNhuyntZ7cYYq9Ygh1c EqEv/RYFcRHpyfQbEMiM1cr4IfepdAzQ1Pzzq5hp2lGWs12UXyjwDxV5pOJNirNBmiDz EiG+waZyYU8iYnk9LTGVpl2caMJXpDGzndenzlJhtuqbiOjb38UoOCeBGRrrI3/5cf2b NXIQ== X-Gm-Message-State: AJIora8uE/8emE8XkkErV8bpzf50gRK/MKUrKkl/KJtQRuClPZr9WtUi 6P5V2MQvVAdOrMEQg+zpPj+pnA== X-Google-Smtp-Source: AGRyM1t+bFbUEmHhT3R+sE2kPW09HXQQ3FsxckmcSw30y6vbNnROnMT1YAyv4bXb813fJvJ94G9xyw== X-Received: by 2002:a17:90b:3ec2:b0:1ee:d9c3:53ce with SMTP id rm2-20020a17090b3ec200b001eed9c353cemr3438524pjb.189.1657335596424; Fri, 08 Jul 2022 19:59:56 -0700 (PDT) Received: from [192.168.138.227] ([122.255.60.245]) by smtp.gmail.com with ESMTPSA id t8-20020a17090a2f8800b001e31fea8c85sm2050578pjd.14.2022.07.08.19.59.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 08 Jul 2022 19:59:56 -0700 (PDT) Message-ID: <89098547-6e30-96b0-2e7a-f131999c5528@linaro.org> Date: Sat, 9 Jul 2022 08:29:47 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH RFC v2 0/2] arm: enable MTE for QEMU + kvm Content-Language: en-US To: Cornelia Huck , Peter Maydell , Thomas Huth , Laurent Vivier Cc: Eric Auger , "Dr. David Alan Gilbert" , Juan Quintela , qemu-arm@nongnu.org, qemu-devel@nongnu.org, kvm@vger.kernel.org References: <20220707161656.41664-1-cohuck@redhat.com> From: Richard Henderson In-Reply-To: <20220707161656.41664-1-cohuck@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 7/7/22 21:46, Cornelia Huck wrote: > If I'm not misunderstanding things, we need a way to fault in a page together > with the tag; doing that in one go is probably the only way that we can be > sure that this is race-free on the QEMU side. That's my understanding as well. r~