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 6CA86C433FE for ; Fri, 14 Oct 2022 16:37:22 +0000 (UTC) Received: from localhost ([::1]:45718 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ojNgX-0007aY-DC for qemu-devel@archiver.kernel.org; Fri, 14 Oct 2022 12:37:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51508) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ojNcl-0005r9-Ty for qemu-devel@nongnu.org; Fri, 14 Oct 2022 12:33:28 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:58899) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ojNcj-0007J6-Bj for qemu-devel@nongnu.org; Fri, 14 Oct 2022 12:33:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1665765204; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ueC5VTlD9srXw3nIH9njJ76Dcn6bg+Ch492X/b41lbA=; b=YoafgZH1HiohBn/Qw0oe6P8gMCLnVbb6L4vaq0G0MS4FOy08eWeVC+xtDCX2g04bJ8HZLl HFxd/r/4G0mrJ0cpRE9+bB+mFEvfdmiFGsUGeO6oZh9jp4Rp1+KLoYQ4WHkdHBNeIsDi23 bMBE2O5gxa5x0/fn/11pVINLgIcdQtE= Received: from mail-qk1-f198.google.com (mail-qk1-f198.google.com [209.85.222.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-339-VGA84GzaOzG5aQ98u1eoxA-1; Fri, 14 Oct 2022 12:33:20 -0400 X-MC-Unique: VGA84GzaOzG5aQ98u1eoxA-1 Received: by mail-qk1-f198.google.com with SMTP id t1-20020a05620a450100b006ee79ceeb6fso3831464qkp.11 for ; Fri, 14 Oct 2022 09:33:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ueC5VTlD9srXw3nIH9njJ76Dcn6bg+Ch492X/b41lbA=; b=fjwKESvfV3BcCRtLZAY8h0KuQYpQ1ytHSYVyAhe0zPxsYMqqbnhAjGMTg2mA5dDo3S ZKr6gWaC6cG2kK7y/Rp2wLPdSXYvkwAJIEgiBB4ERTZQWsT7/hsTUu8XH3822qtYGfFO co23wCeb8K0KVfSUAFzMYtl7Rgict1zTdtkCq8R73u226FsEb8ffnIyuUIEZ7qk0gySK d4t/5KaBffKJml/OtYogCqaNXxQuuGXQ1+d1w6mwozsPE1OKWDbcBI/AEAGC5T81BBrT eCbiwtHXpbES9DaR35w5audhxSkKoCwhD5mDPsGe1B35KFpK5nslzWSMJHl/RGE4nbZn pIFA== X-Gm-Message-State: ACrzQf3EFx6LM+4mHeZddKhJKpCyKr9JABv1W/Ptq5W7XXI9dqatizF8 2yZAOkWH/IKP6zw4LgdFfBB4TW5CwYVyh04QjvPx4x/zK0cykgPdgP/n4CFhsZb9vnFIijtf8a8 5Jqeq66D2JZ9vrLa6xBfwFKgZeWsGruuOkQJjpYJanX47Vi61vxP8ixiNJto7Mf1O X-Received: by 2002:ac8:7dc1:0:b0:35b:b42a:9bc6 with SMTP id c1-20020ac87dc1000000b0035bb42a9bc6mr4970758qte.243.1665765199400; Fri, 14 Oct 2022 09:33:19 -0700 (PDT) X-Google-Smtp-Source: AMsMyM5cHI0AdQCqywC8nc51Vmq7sLhHOyLPSwkbOV6CtNdit+o9S1x2HvFROQEe+HidSi5vTRSQ/w== X-Received: by 2002:ac8:7dc1:0:b0:35b:b42a:9bc6 with SMTP id c1-20020ac87dc1000000b0035bb42a9bc6mr4970737qte.243.1665765199121; Fri, 14 Oct 2022 09:33:19 -0700 (PDT) Received: from x1n (bras-base-aurron9127w-grc-46-70-31-27-79.dsl.bell.ca. [70.31.27.79]) by smtp.gmail.com with ESMTPSA id i4-20020a05620a248400b006eeb185c209sm2943302qkn.50.2022.10.14.09.33.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Oct 2022 09:33:17 -0700 (PDT) Date: Fri, 14 Oct 2022 12:33:15 -0400 From: Peter Xu To: qemu-devel@nongnu.org, Paolo Bonzini Cc: Marc Zyngier , Gavin Shan , Paolo Bonzini Subject: Re: [PATCH] KVM: dirty ring: Add memory barrier when marking pfn collected Message-ID: References: <20220922213522.68861-1-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220922213522.68861-1-peterx@redhat.com> Received-SPF: pass client-ip=170.10.129.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -13 X-Spam_score: -1.4 X-Spam_bar: - X-Spam_report: (-1.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, PYZOR_CHECK=1.392, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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" Ping?