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 AE321C433EF for ; Tue, 15 Feb 2022 22:38:54 +0000 (UTC) Received: from localhost ([::1]:49212 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nK6TF-000087-FF for qemu-devel@archiver.kernel.org; Tue, 15 Feb 2022 17:38:53 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46718) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nK62y-0007pr-Ch for qemu-devel@nongnu.org; Tue, 15 Feb 2022 17:11:48 -0500 Received: from [2a00:1450:4864:20::430] (port=37425 helo=mail-wr1-x430.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nK62w-00072X-SZ for qemu-devel@nongnu.org; Tue, 15 Feb 2022 17:11:43 -0500 Received: by mail-wr1-x430.google.com with SMTP id w11so362445wra.4 for ; Tue, 15 Feb 2022 14:11:42 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=6l45nITMdKQCVwIvIyWPW5Dh3Kr/iLLnTta+LHGaJus=; b=A6fG9N041sS5Be/0wAc6v2GxbD9aNdbSo7MPI4caIMFsQlwGTnddSH/DY7+H5oknAy oiSK/G+JfEtIBnNd+gPaJgpLX7/WTc2vDI9XakXyR2u96ytUVGAkfRourV+/Pjb9JXKP AlRYfYPQ0/QWOj4eYZdjb5F4yucegN/30mxOA8ElIWVP1OxdVevymSdvKojjY9Nm/958 EIjHtDqtruvqCzZuBsMmGe1BsUdPNnnIra4gPd2joGM58EgH/P9yHa0FZFnv/Plc+YOI HBm+roH2BCMa2iUS8tOoPArdqMzkCm0PHnkkj9yh03VsNQ8Vn456OinmjiLmUziAuS11 t3Cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=6l45nITMdKQCVwIvIyWPW5Dh3Kr/iLLnTta+LHGaJus=; b=J7mXq6N4VRSZtpXyflO8rA8ExwkSYAPaRLTPYw/LOi+9dAj9p5yPhU9pkOBn5XOZyJ 8dTQwstYtR5PsRO93E2DOIVwnQmnQWQG/QhDyGOGdYA/zCLCOt9lgurw727lXuHiCQn0 CTB1qqjSW51floWcM3p7Q6YyMQZVZcGURPyKL2pTsUWKvj+pZNHkF4Xj4MdVl5PpL9o/ us31GZcYPzs8KTHo8UBTZgpC+rXdd0CdVRHjfWRK7SLnc5wWFK5Bp66YATaCZkw1m7bA UaC3DLVuGg8GAcqoC+SL6Tx3stUM0FMK3hYNbsQmA+3+qReKJbozlh8zfdJGMUjKVcGF siJg== X-Gm-Message-State: AOAM531/EMxBhzeXCVzROz25NorWcUfjSgP1RXlZzdd0GI/yD1R1WIMD yh7IvxMmyk0CcZ96J4n1KQ7Z8/ZrsuG6o5JmbVzfyA== X-Google-Smtp-Source: ABdhPJzrBoXG4PYgmoTsWvL/EzdkE9C4e/fMXEEFOR1pNYkh6ULjuIKhgiaSvx5LKXBvgBCzQnJt/OFcaNNtv/N4YN8= X-Received: by 2002:a5d:40c8:0:b0:1e3:e76:129b with SMTP id b8-20020a5d40c8000000b001e30e76129bmr19792wrq.295.1644963101035; Tue, 15 Feb 2022 14:11:41 -0800 (PST) MIME-Version: 1.0 References: <20220210040423.95120-1-richard.henderson@linaro.org> <20220210040423.95120-12-richard.henderson@linaro.org> In-Reply-To: <20220210040423.95120-12-richard.henderson@linaro.org> From: Peter Maydell Date: Tue, 15 Feb 2022 22:11:30 +0000 Message-ID: Subject: Re: [PATCH v2 11/15] target/arm: Extend arm_fi_to_lfsc to level -1 To: Richard Henderson Content-Type: text/plain; charset="UTF-8" X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::430 (failed) Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x430.google.com X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 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, PDS_HP_HELO_NORDNS=0.904, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no 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: , Cc: qemu-arm@nongnu.org, alex.bennee@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, 10 Feb 2022 at 04:05, Richard Henderson wrote: > > With FEAT_LPA2, rather than introducing translation level 4, > we introduce level -1, below the current level 0. Extend > arm_fi_to_lfsc to handle these faults. > > Assert that this new translation level does not leak into > faults types for which it is not defined, which allows some > masking of fi->level to be removed. > > Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell thanks -- PMM