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 A5555C678D4 for ; Mon, 6 Mar 2023 07:52:42 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pZ5dt-00076l-3D; Mon, 06 Mar 2023 02:52:21 -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 1pZ5dn-000760-Ur for qemu-devel@nongnu.org; Mon, 06 Mar 2023 02:52:16 -0500 Received: from mail-wm1-x32d.google.com ([2a00:1450:4864:20::32d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pZ5dm-00047z-GW for qemu-devel@nongnu.org; Mon, 06 Mar 2023 02:52:15 -0500 Received: by mail-wm1-x32d.google.com with SMTP id j19-20020a05600c1c1300b003e9b564fae9so7520525wms.2 for ; Sun, 05 Mar 2023 23:52:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678089133; 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=y4ee8hSyJZqmawNxd57kXc6bsgIl7bGlycye1FvtCOE=; b=h9z/zjKll2LcA3pgp19xZjea/bbL/V0N7c+eI0c0EqIhZsF8wt7uM0ZbyScwlcx0uq bHtVbDd9qnJMlU3FsL7qNuIeh6ZEBj7pQjGiB6VzYdDLmSPzJTLj/M53Ml0oFBfN75en 4OAQWyg6OPUsnHBYsxqVoSsM3+mJzgLr1Ar6fo+ryvSwMNsJK2mp2qd2f/a9LeNY+q+8 soGen5dCe6XVvRWPGZNDd+J8Gdi4NdbW8LKLS3P0+mTQpcFkrGUVFvIrpqFGM0qmITpd mer3paX0clhh74gDiis5Wwt+kD7XbSugBmHVjPoJPKIuK7aq8QyzPc5RKNSkCi30+pKC X7CA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678089133; 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=y4ee8hSyJZqmawNxd57kXc6bsgIl7bGlycye1FvtCOE=; b=o7h2mxH8sUQyr0Ljz0Hi4WpSeeJU3l9zIjPvIJ22pzjIXev7DPT+IDCuU76KcIuxKg yQdG4GMg/bXERkfZuAhgmNlBP7cMUHfqjdBPGFq7JMvMaMV+l+RdyejowLs7jiRepBhk wUhj3PkEtQhqVJtiL9/KL3pv6kxugfd9aEEso6mcquMYrB0q5dtWTZ/Ute+EjJgPYr6n RKry32PmfvgwamwiNnMrA6OP6JltfoMRK1W5Th+Y8Et44KdFrqN10V9Kue4V91n0AaMy ccLAwOiRHcIY++huormH5FlVZRJalS5Wles8qrbvazxsQGCgHrT14xtFHt81A1S2KlKf iVJA== X-Gm-Message-State: AO0yUKW7NMibj8+Z8sJXEH1YUY7asK2WBsbXBodgas7DBVS1hJN2CDtd ZKT/lHxkBX9MO2TIAzXXhbH0Nw== X-Google-Smtp-Source: AK7set/sx2kwfkIpDZ5VPsoKVc5zwGp12N3qewlThCXf/n0P4l2iVPGgJ2zKm4DWzFkhZIRgWj4yzA== X-Received: by 2002:a05:600c:1c12:b0:3eb:389d:156c with SMTP id j18-20020a05600c1c1200b003eb389d156cmr8355727wms.37.1678089132859; Sun, 05 Mar 2023 23:52:12 -0800 (PST) Received: from [192.168.30.216] ([81.0.6.76]) by smtp.gmail.com with ESMTPSA id g40-20020a05600c4ca800b003eb3933ef10sm9191236wmp.46.2023.03.05.23.52.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 05 Mar 2023 23:52:12 -0800 (PST) Message-ID: Date: Mon, 6 Mar 2023 08:52:11 +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 6/9] accel/tcg: Pass last not end to PAGE_FOR_EACH_TB Content-Language: en-US To: Richard Henderson , qemu-devel@nongnu.org References: <20230306021307.1879483-1-richard.henderson@linaro.org> <20230306021307.1879483-7-richard.henderson@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= In-Reply-To: <20230306021307.1879483-7-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::32d; envelope-from=philmd@linaro.org; helo=mail-wm1-x32d.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 > --- > accel/tcg/tb-maint.c | 28 ++++++++++++++++------------ > 1 file changed, 16 insertions(+), 12 deletions(-) Reviewed-by: Philippe Mathieu-Daudé