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 B573CC46CD2 for ; Tue, 30 Jan 2024 11:03:11 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rUlt8-0001IL-F9; Tue, 30 Jan 2024 06:02:46 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rUlt7-0001Ho-AJ for qemu-devel@nongnu.org; Tue, 30 Jan 2024 06:02:45 -0500 Received: from mail-pf1-x432.google.com ([2607:f8b0:4864:20::432]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rUlt5-0007sf-RX for qemu-devel@nongnu.org; Tue, 30 Jan 2024 06:02:45 -0500 Received: by mail-pf1-x432.google.com with SMTP id d2e1a72fcca58-6dddf4fc85dso1943576b3a.0 for ; Tue, 30 Jan 2024 03:02:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1706612561; x=1707217361; darn=nongnu.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=VnGok8mwjmNhzt2HXuIz+Lqj2e2ygpdpzHuBcAMHThk=; b=XOJNTqF9HB92yPss890wsdQpN3wviaHUa3bidX5sC7FYoPuMqiX1Eu1GbcwSQznYVt XToWvdE8CnD9ss3B0k1mz2+tb9TsPZzxkcfsKmXxeGYgB9eifCf55ZuTzq4899072m3f CLa6f/Ekol3yirWOnROrfGKboIn4o5xtY5tuXsKF1J3nMK/WzA2NIc56S10YAoaeHfu+ mhAHE44a7MouEENtBh6izg2NNRXAXxzMA+7ah6UR2eNvEhaJWBQKyCchob07Ai4B3iHT xw4t4eB0YZPwomxkchMcgnTwYu+2KGLBfzH9fZJnl035JqK+eyo0d8WUASv+QulOB6nr zOwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706612561; x=1707217361; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=VnGok8mwjmNhzt2HXuIz+Lqj2e2ygpdpzHuBcAMHThk=; b=wUIUn6P+dVHCzQCTaGPc9OHY+ZjP4LcSY06rokcKuxm8SONIY2ueRNUdV2QWHroH39 MvEZv4PN6uv74G0e/X2UjWwpEdO5wZJ0l0fXC7Nk/USelgtzBYtl8aGQxbvVimAIJvRi I5V5ZD/bec5+MBkEd9aDC/cXqX8rFxGZlUzEQmYMPLtO6FBCb5IzqxBISCXo8T0ghC+F D1hto5U/hrw3hK3t6lc+YwubBFRKLS02bO97jpHB/0abS4KFvGqBtrUgLJFSy40sfBXP 3iF9r4XOpgrYcQBibEavOdsqMAqq9FGdyVpa9qm/HL2N9DDAr5BSubPHIMzD941yGAx2 QjOQ== X-Gm-Message-State: AOJu0YzAAxH1d7Mjm9dMFNmgk40o4Rj3JQd1/gIKtGMYZWpOHvyjZk3E tdio0aunly+cYNiLS46Qu0AAAN8ATkQFyJHGuvAjyriP5+0WYPA4Bbpfkuk06kCD9ZRBj1F7Lcx ivCY= X-Google-Smtp-Source: AGHT+IHUc03hnKApXKhZLY7Eg4P5aWX+0jnD6oi2yGlBIt8vGf0CwphGxy/s+fmAxUuRgs2Jj8YBog== X-Received: by 2002:a05:6a00:179f:b0:6d9:8ccb:be1b with SMTP id s31-20020a056a00179f00b006d98ccbbe1bmr5736071pfg.29.1706612561270; Tue, 30 Jan 2024 03:02:41 -0800 (PST) Received: from [192.168.0.103] ([103.210.27.218]) by smtp.gmail.com with ESMTPSA id c7-20020a62e807000000b006ddcfbe736esm7678047pfi.97.2024.01.30.03.02.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 30 Jan 2024 03:02:40 -0800 (PST) Message-ID: Date: Tue, 30 Jan 2024 21:02:36 +1000 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/33] include/hw/core: Add mmu_index to CPUClass Content-Language: en-US To: =?UTF-8?Q?Philippe_Mathieu-Daud=C3=A9?= , qemu-devel@nongnu.org Cc: anjo@rev.ng References: <20240129233043.34558-1-richard.henderson@linaro.org> <20240129233043.34558-2-richard.henderson@linaro.org> <238c5053-47d2-42c2-a012-5a88f318e290@linaro.org> <7b142c6e-07c4-4f57-bc47-b8490b2810d1@linaro.org> From: Richard Henderson In-Reply-To: <7b142c6e-07c4-4f57-bc47-b8490b2810d1@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::432; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x432.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, 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-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 1/30/24 18:20, Philippe Mathieu-Daudé wrote: >>> Can the index ever be negative? >> >> No. > > Then why not return an unsigned type? The existing function didn't, and I didn't think about it. Does it really matter? r~