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 F051EC61DA4 for ; Mon, 6 Mar 2023 07:51:13 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pZ5cL-0005Aq-6d; Mon, 06 Mar 2023 02:50:45 -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 1pZ5cJ-00053g-7x for qemu-devel@nongnu.org; Mon, 06 Mar 2023 02:50:43 -0500 Received: from mail-wr1-x434.google.com ([2a00:1450:4864:20::434]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pZ5cH-0003vs-Bq for qemu-devel@nongnu.org; Mon, 06 Mar 2023 02:50:42 -0500 Received: by mail-wr1-x434.google.com with SMTP id h14so7804737wru.4 for ; Sun, 05 Mar 2023 23:50:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678089039; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=SQ12Ou/rd7Koioh0p3SxqdxhNnqRQWslilaQfFTsKWE=; b=kvhMLPGKYmqCnlPKHD8eVd7KXb06GSexMxGt8GQEUHDfIVkrjJzXdBkF1d/EVuA7ZQ W8JwCVbfcvJK2zQYXiMDwf/+icqRIlXYEHCUCtfK5LMaDyuVqiu8Klbh+kcIzZhS7FaA fM0hxH9nUOdcItkMSM18bKDMdfezbTfCldxfrgDD88Iy5dDMqGN25mDEoT9oaINy3/SM lrqcqdMwfggGoX/X2GspjkmlS4s+ZQYKetoMPaCKoLR4RBXvngi39cu0QhDVWsDIMTZB YxVZGRihubMvbEEYGu8KaP4kTjL3PVcxenEVe4tkBYXpDPzATQvJXm5I1f6GmmashPQS j0YA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678089039; h=content-transfer-encoding:in-reply-to:from:references: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=SQ12Ou/rd7Koioh0p3SxqdxhNnqRQWslilaQfFTsKWE=; b=hpY5gVmGznchQ+WCg+WbSdMXM9IfwEv/iUjBjQOwGYPyJK8VdPGYSUSNA+PiOKdbv1 4hHkyyBHGzwFeQrFQz03wG5xx7EOoSPpGHNGMr9pHv6ojCosyEBvjFdoC/a6vrX/y7FV PzqbkZMMGIlGgA9Nde78X1foFQXWY5zI+Ke92jEo43FSopGvoPgkSt65yNC0tWjiHaHN zvqb2AjFY+B3WWFbr38zK6CnJdrEFFgSq7XVlxS+CsI6xjMhGI31asvzZLjgHdgPJANF 9882Ag4zviezNRg2+fXQShp5fWosb72vrxim+6bfw8+ZQtrm89UpErAyQj9WcG9MA0ts jy6w== X-Gm-Message-State: AO0yUKWAVTL65Utn3RanNt+f3c9pllHc1SPuvQDWFx3j+m1G55SWWip3 94U0DrM+52plOnWoVaFFBI1TgA== X-Google-Smtp-Source: AK7set/Jo0fH0O8EGf09WVCTom7GUkXwhbfE4hX/teO4pc/4XfpNhW6gNjpQzJlDmhhb15tJcNm7Wg== X-Received: by 2002:a5d:52c2:0:b0:2c7:fc61:1676 with SMTP id r2-20020a5d52c2000000b002c7fc611676mr6627882wrv.7.1678089039700; Sun, 05 Mar 2023 23:50:39 -0800 (PST) Received: from [192.168.30.216] ([81.0.6.76]) by smtp.gmail.com with ESMTPSA id z4-20020adfd0c4000000b002c5493a17efsm8995509wrh.25.2023.03.05.23.50.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 05 Mar 2023 23:50:39 -0800 (PST) Message-ID: <36cbefc5-4443-d2aa-2fd8-b7dedeefc53f@linaro.org> Date: Mon, 6 Mar 2023 08:50:38 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: [PATCH 5/9] accel/tcg: Pass last not end to page_reset_target_data Content-Language: en-US To: Richard Henderson , qemu-devel@nongnu.org References: <20230306021307.1879483-1-richard.henderson@linaro.org> <20230306021307.1879483-6-richard.henderson@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: <20230306021307.1879483-6-richard.henderson@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::434; envelope-from=philmd@linaro.org; helo=mail-wr1-x434.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 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 6/3/23 03:13, Richard Henderson wrote: > Pass the address of the last byte to be changed, rather than > the first address past the last byte. This avoids overflow > when the last page of the address space is involved. > > Signed-off-by: Richard Henderson > --- > include/exec/cpu-all.h | 2 +- > accel/tcg/user-exec.c | 11 +++++------ > linux-user/mmap.c | 2 +- > 3 files changed, 7 insertions(+), 8 deletions(-) Reviewed-by: Philippe Mathieu-Daudé