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 B1902C77B7D for ; Wed, 10 May 2023 16:45:39 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pwmwN-0000RM-AF; Wed, 10 May 2023 12:45:23 -0400 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 1pwmwL-0000PA-UT for qemu-devel@nongnu.org; Wed, 10 May 2023 12:45:21 -0400 Received: from mail-wm1-x334.google.com ([2a00:1450:4864:20::334]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pwmwK-0007JB-7g for qemu-devel@nongnu.org; Wed, 10 May 2023 12:45:21 -0400 Received: by mail-wm1-x334.google.com with SMTP id 5b1f17b1804b1-3f41dceb9d1so48758175e9.1 for ; Wed, 10 May 2023 09:45:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1683737118; x=1686329118; 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=MnGnmcq63J5VtX/bjpsYtML6hW5FKtOBNrROVJfTRLQ=; b=zVYqMwI3AymioYykHFXCyxoUdaIs47QTiVfn4JdgzVKvITm/2EX+nogAh8Zgy4tqJZ Oj0VjhUmdIGFTkRtV1m3iouU9/PffXcK/rxeEc6Wrv9+oEsfNWntQEfIqn0vBKOa9ttO 3KP+8xsbgKfPWH0miLjNjIZHo93rlwHFGGNRCkUYqxGZ2lFdOBL10Br5Cvl/PPv6h4De 8mGTAw2L220UpAvR+VQVnU/MZszi0cCIIzB4MKnS06Wyegy1XmHMxAmI09Y9hwWrlGNu TuUkMBkmrWqSrdzibedgmC6EOHOost1UO4AQsB8O1GwvXN8mHpZ8Ir3NwiDc3lOdKDZA yWyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683737118; x=1686329118; 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=MnGnmcq63J5VtX/bjpsYtML6hW5FKtOBNrROVJfTRLQ=; b=lVTOBdXK0fQGO8UzOZstDlXQzBAfxH9oagNPttGmSpZqxRUtWBQZsjEk+ych8QVpCD YruSWOTD4/anFg30qMHlCHl3r5hdlMfrCLBMCGrrHxhUT4KyhBKZugfyZrE3cYSVM3b+ O7AMw0mp53/YR/yMpVTgmvG8I2QS3im7auG/ROPk9qzrB6xDbvQsGaGBtXvHbReJyNZK WetlWgbp+mlZM0ygNxK+rCkByatiQJfaHjCyoVoJfnNFjqdaeSd3hDNg7A2a4ImyL5hu THesw1S2Bo5VIk9Xf1Z7NE4hyFYb3w5JGHqN42L1ynDlZzF9gdnPWFuOtjMdzl1k1A7w pR4Q== X-Gm-Message-State: AC+VfDzRy7QA2XjQR0a7zEqS9mRZHR19MNW1r0nrTPqCsY1pQF7G5P1P N9hk6FehfJDS4uBFdWaqcAjXpWWJlP1cVSL0n853xw== X-Google-Smtp-Source: ACHHUZ4QT6ODBaF+EpHOetW4+x04sXDFqQTeS1gCcnv2SIZWfXdwkFba254N5o3lg+5D5rNN892GdQ== X-Received: by 2002:a7b:c7da:0:b0:3f4:2df7:e332 with SMTP id z26-20020a7bc7da000000b003f42df7e332mr3535440wmk.13.1683737118464; Wed, 10 May 2023 09:45:18 -0700 (PDT) Received: from [192.168.1.177] ([85.9.250.243]) by smtp.gmail.com with ESMTPSA id t17-20020adfeb91000000b00307bbbecd29sm1835458wrn.62.2023.05.10.09.45.17 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 May 2023 09:45:18 -0700 (PDT) Message-ID: Date: Wed, 10 May 2023 17:45:16 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH] tcg: round-robin: do not use mb_read for rr_current_cpu Content-Language: en-US To: Paolo Bonzini , qemu-devel@nongnu.org References: <20230510160441.1249170-1-pbonzini@redhat.com> From: Richard Henderson In-Reply-To: <20230510160441.1249170-1-pbonzini@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::334; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x334.google.com X-Spam_score_int: -53 X-Spam_score: -5.4 X-Spam_bar: ----- X-Spam_report: (-5.4 / 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=-3.251, 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 5/10/23 17:04, Paolo Bonzini wrote: > Note that qatomic_mb_set can remain, similar to how Linux has smp_store_mb > (an optimized version of following a store with a full memory barrier). > > Signed-off-by: Paolo Bonzini > --- > accel/tcg/tcg-accel-ops-rr.c | 11 +++++++---- > 1 file changed, 7 insertions(+), 4 deletions(-) Reviewed-by: Richard Henderson r~