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 C89C1C433F5 for ; Thu, 19 May 2022 15:42:29 +0000 (UTC) Received: from localhost ([::1]:48062 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nriIG-00022a-QJ for qemu-devel@archiver.kernel.org; Thu, 19 May 2022 11:42:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34788) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nriAn-0001ca-Kb for qemu-devel@nongnu.org; Thu, 19 May 2022 11:34:53 -0400 Received: from mail-pg1-x532.google.com ([2607:f8b0:4864:20::532]:44992) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nriAj-0007qO-HF for qemu-devel@nongnu.org; Thu, 19 May 2022 11:34:44 -0400 Received: by mail-pg1-x532.google.com with SMTP id v10so5380139pgl.11 for ; Thu, 19 May 2022 08:34:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=OS6yMoXZFvAkpTKTQmTopK4HO6E+QRWoxWyaz90ay00=; b=sAKMzN9wGxaE/Izg0gYDkI5kNDDjMb+jhVcPl9sHN7Oc12xPvobZ4CScyeVdw5CHvS fUZ3mk4K/f2chHEDyTvIRbPBnsduVRZrizD3L4a9EQJ62lIivt8m3ltbtWFxH4Ky2k2G 4H8V4Rbxk9aQ2IwRB8tZQrqn4lBcLND6QhW3T0emFxRXCfqtk8QnLbzjWBMTdMp9djGl nnrz1Ba7L3CTbJLH15i0UAcnaWO+4ug5rDSnMi/2+wsCkCoF1cNa3AVYjzVW8auhZ/JA xYici5PPpM6dNOCpBtkyK4k6npnnE8c+//shGbKKYNmQMOfhqFtVyFN2GomByo6PJl5j nqNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=OS6yMoXZFvAkpTKTQmTopK4HO6E+QRWoxWyaz90ay00=; b=t8M9IqHs7MjH9TS1KIAF6Jlra6srXMTs4/ZSVA+tqTQjomJaa4EygnMYdqrcCJbYEf LKfSi2wC2c3foq6203tTQUHz7feeZ16OkRURg8yMbsAMDnzqeJI5al42t/os5rmI6mnN E14cerPVRgiOd9wd7TvYBcbY1Smhn9xINf+SIr9tKPnt5eMaFdWGMzJ0/+7lhM9spkcM dVfaaFybRPZIEWcTdnSbl90ViERqUFzBxyOfpv1T3MNaVWsBlMBrzH/fwE8ncYXB/4l4 MTVrE3yltWtaQ10ZGqUY4DqumbQCsyKcWBm+p7xMQ6SaSmDSzGv1WRt+S+lI824ADHlE hR2Q== X-Gm-Message-State: AOAM5317QQVjYifxLOkBZWjruyuUeizFxyf5SAF6FXGCfj/uHyqIMu3P fpnTgZ9C8hbYN03dYZiKp50y3w== X-Google-Smtp-Source: ABdhPJx5lhTKbzMbkIGTPMojlv/8gLXmVLvKmZhfdXhcKkVh0ADcthi46XZewsHAtJMRWeEKOM9omw== X-Received: by 2002:a63:dd09:0:b0:3f2:804a:cf11 with SMTP id t9-20020a63dd09000000b003f2804acf11mr4388645pgg.621.1652974479035; Thu, 19 May 2022 08:34:39 -0700 (PDT) Received: from [192.168.1.6] ([71.212.142.129]) by smtp.gmail.com with ESMTPSA id w17-20020a62c711000000b0050dc7628166sm4230796pfg.64.2022.05.19.08.34.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 19 May 2022 08:34:38 -0700 (PDT) Message-ID: Date: Thu, 19 May 2022 08:34:36 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH 4/4] target/ppc: Implement lwsync with weaker memory ordering Content-Language: en-US To: Nicholas Piggin , qemu-ppc@nongnu.org Cc: qemu-devel@nongnu.org References: <20220519135908.21282-1-npiggin@gmail.com> <20220519135908.21282-5-npiggin@gmail.com> From: Richard Henderson In-Reply-To: <20220519135908.21282-5-npiggin@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::532; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x532.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable 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" On 5/19/22 06:59, Nicholas Piggin wrote: > This allows an x86 host to no-op lwsyncs, and ppc host can use lwsync > rather than sync. > > Signed-off-by: Nicholas Piggin > --- > target/ppc/cpu.h | 4 +++- > target/ppc/cpu_init.c | 13 +++++++------ > target/ppc/machine.c | 3 ++- > target/ppc/translate.c | 8 +++++++- > 4 files changed, 19 insertions(+), 9 deletions(-) Reviewed-by: Richard Henderson to the translate part, and I'll trust you on the set of cpus adjusted. r~