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 X-Spam-Level: X-Spam-Status: No, score=-8.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0AC18C433E7 for ; Wed, 14 Oct 2020 19:48:59 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 31C97214D8 for ; Wed, 14 Oct 2020 19:48:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="FA7Q3e6G" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31C97214D8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:40982 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kSmlc-0005Vk-UC for qemu-devel@archiver.kernel.org; Wed, 14 Oct 2020 15:48:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46660) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kSmk8-0004z2-6y for qemu-devel@nongnu.org; Wed, 14 Oct 2020 15:47:27 -0400 Received: from mail-pl1-x642.google.com ([2607:f8b0:4864:20::642]:42247) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kSmk5-0004q2-R1 for qemu-devel@nongnu.org; Wed, 14 Oct 2020 15:47:23 -0400 Received: by mail-pl1-x642.google.com with SMTP id c6so252875plr.9 for ; Wed, 14 Oct 2020 12:47:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=8ePLNG1GGX2WA5+Lf2MFQW1uunfFLZ1kHQ0fuywXhhU=; b=FA7Q3e6G3NRFN9V0TJ4SqPud4rUkPS+x9mbwSn8lIdSHuUtz9B8myh/rCMq/XqXTU3 yuUdAZSqNEgySQaMQaiIeL+7fwj8i+E9031twetNZyWK6ttJPDbDTZG9/gg9gQWL9JBn 6+2ZsBoCMFcobsprbVCZhnUZnkgjhd1xHRXOIMWTwRvEmZ3aadHRQ74KuzbY0aSztuTr AiWetO6Mj5cvCiWnQY0LvKf7DQF7YM+9bqOJNGexdqRoj7nSyVp6D/5DOBSv9W+gVVRD leU70Gc2xIVeKZ6XQjqFIuOiy+FiRjJicfuwsBzr9qE+C6fCaQoT9BrmzhU4gqKFcjE8 b9SQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=8ePLNG1GGX2WA5+Lf2MFQW1uunfFLZ1kHQ0fuywXhhU=; b=cr2NLRuKeXs5G6pnLxGQPjvzdt7vH/UWgA8THKhNFdyuIPnhAsbRiJc6BnS8cdB9eR 5byJ/EjfQGfbKWcWsQ2DBhoZpfM3/bXEssQPW2K7dhbYNjFFAR58ErASWuljigw7UatO xQX2v6Oxq36HIacaDuD3mNtI54e7bzX+QtOVP7/eVTQY7jWJZVuRlRJknt82oRkSIQUY PqBo9BObZXOsnJgftYNUZGpM6pkfuyoMdvta3X9e8xFBDMqAlJXS1FlUgENr646QP7Db W83WdTy3cN3IK9ADkzuYJAOmi+wrsVMW0OM9pIQcBMP9HpFAcz8lj0BH8D4gOZEvUP3T epPA== X-Gm-Message-State: AOAM533hqFF125itYjMcEOFcI7ea6182Xx//ml3AUjt0k6VR3BMWMbGR k0TculaFxm7U2SJRD5P7IF/JjcIM+9QNKA== X-Google-Smtp-Source: ABdhPJy/y/cJnqcibW9u1kmUErYEyfWVaULcDRF2KMkDzguzUhZhVLIATV/IE4qhGKDlrLnJiUD/Og== X-Received: by 2002:a17:90b:50a:: with SMTP id r10mr727448pjz.231.1602704839467; Wed, 14 Oct 2020 12:47:19 -0700 (PDT) Received: from [192.168.1.11] ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id q16sm384706pfu.206.2020.10.14.12.47.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 14 Oct 2020 12:47:18 -0700 (PDT) Subject: Re: [PATCH v2 1/3] accel/tcg: split CpusAccel into three TCG variants To: Claudio Fontana , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , =?UTF-8?Q?Alex_Benn=c3=a9e?= References: <20201014192324.6390-1-cfontana@suse.de> <20201014192324.6390-2-cfontana@suse.de> From: Richard Henderson Message-ID: <21a20694-05df-4cf6-24a3-6e90db09c3a0@linaro.org> Date: Wed, 14 Oct 2020 12:47:16 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20201014192324.6390-2-cfontana@suse.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::642; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x642.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 10/14/20 12:23 PM, Claudio Fontana wrote: > split up the CpusAccel tcg_cpus into three TCG variants: > > tcg_cpus_rr (single threaded, round robin cpus) > tcg_cpus_icount (same as rr, but with instruction counting enabled) > tcg_cpus_mttcg (multi-threaded cpus) > > Suggested-by: Richard Henderson > Signed-off-by: Claudio Fontana > --- Reviewed-by: Richard Henderson r~