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 5596DC77B75 for ; Tue, 23 May 2023 16:59:32 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1q1VLv-0002A2-8k; Tue, 23 May 2023 12:59:15 -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 1q1VLt-00029l-IZ for qemu-devel@nongnu.org; Tue, 23 May 2023 12:59:13 -0400 Received: from mail-wm1-x329.google.com ([2a00:1450:4864:20::329]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1q1VLs-0007cW-53 for qemu-devel@nongnu.org; Tue, 23 May 2023 12:59:13 -0400 Received: by mail-wm1-x329.google.com with SMTP id 5b1f17b1804b1-3f611ccd06eso102505e9.0 for ; Tue, 23 May 2023 09:59:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1684861150; x=1687453150; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:from:to:cc:subject:date :message-id:reply-to; bh=I55zlkXwKJx7AIfjIVWzREvUsaMKUS3enVR2Un9iNZE=; b=w0huiYgEmw1mvtckK3h3ua4znFsLmdhz+tXH5H2bCJ17QQWJMV95pebPyKezk7WOhQ QFBDSs8CwM8oStUjUUldOmzyrqt2+N+ClzzrpZddamHwmNKF18fv0sckc2xm8jQRI0b9 BYnjpuR7N1rUFLQmXNt23ZmTfowz8xPVhUaMy9L/ZAAIWua0ZTWFIVliU/ISws4Rnme4 zYBstPfFLfeqW5pnhwR3wEpY7TaJViqcKSHcXQhDcCbEo+Qkmh8qhlmOsvYcc4EArNCt o4oQi9ztWByi4ikno4jOSOj1HhgFCB57d6R1jXtERN0PvF4DbVAqilBV17XZex55qVrG QW8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1684861150; x=1687453150; h=content-transfer-encoding:mime-version:message-id:in-reply-to:date :subject:cc:to:from:user-agent:references:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=I55zlkXwKJx7AIfjIVWzREvUsaMKUS3enVR2Un9iNZE=; b=MHFmYQ50NQAvGddoNPJH8X6oZSJ5gNAiAjMqjIPOZIrbJ3xnfWGujRHkKJGi0swhrf EpqQOa6S7zktfvksyavu5kXarBu9MryMmvD3KSkyphMcQTml0HDWK8PPS5EL8jJ911B4 y/LhD9+dXDx0HCrulYoVOvfZ1cc+JxFWOUA/oZq63yp2uxDnuquEiecqWWaCpEbR7M8R U7WGbal0sihGVpZJCyxtDc0VgEZcFWUmR1nnrSBiCPZeSOHIsULjvgD997WpeCo08BCd w8e6nL4zaZPs4oqI9wxgyD7lEVdtFXJvrv5YqyiBj9CLFhpIIwUniwNnaJBx/gS1LIKa J1Kg== X-Gm-Message-State: AC+VfDyvdurs4fcpVnW8bVTWvTlGts/CuLV2BeU3o2Wmb4mnmMTIa1Bc 6h8nIU5OBOdHifKZadwSELGgMA== X-Google-Smtp-Source: ACHHUZ69rUoqYGFKyxJi8z2pGOe1T1zlOPUnU0o1CPbHu33+1HGuKYSDZwDzj2Vuaa3sJP5aQxi4ng== X-Received: by 2002:a5d:58d3:0:b0:309:491b:39cc with SMTP id o19-20020a5d58d3000000b00309491b39ccmr9798729wrf.3.1684861150637; Tue, 23 May 2023 09:59:10 -0700 (PDT) Received: from zen.linaroharston ([85.9.250.243]) by smtp.gmail.com with ESMTPSA id c11-20020adfe74b000000b00306281cfa59sm11795456wrn.47.2023.05.23.09.59.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 23 May 2023 09:59:10 -0700 (PDT) Received: from zen (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 0ABD71FFBB; Tue, 23 May 2023 17:59:10 +0100 (BST) References: <20230523134733.678646-1-richard.henderson@linaro.org> <20230523134733.678646-28-richard.henderson@linaro.org> User-agent: mu4e 1.11.6; emacs 29.0.91 From: Alex =?utf-8?Q?Benn=C3=A9e?= To: Richard Henderson Cc: peter.maydell@linaro.org, qemu-devel@nongnu.org Subject: Re: [PATCH v2 27/27] qemu/atomic128: Add x86_64 atomic128-ldst.h Date: Tue, 23 May 2023 17:59:05 +0100 In-reply-to: <20230523134733.678646-28-richard.henderson@linaro.org> Message-ID: <87mt1vx9up.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x329.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, 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 Richard Henderson writes: > With CPUINFO_ATOMIC_VMOVDQA, we can perform proper atomic > load/store without cmpxchg16b. > > Signed-off-by: Richard Henderson Reviewed-by: Alex Benn=C3=A9e --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro