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 21050C77B75 for ; Fri, 5 May 2023 12:07:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1puuDM-0001Cr-Fe; Fri, 05 May 2023 08:07:08 -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 1puuDG-0001Aa-74 for qemu-devel@nongnu.org; Fri, 05 May 2023 08:07:03 -0400 Received: from mail-ed1-x52c.google.com ([2a00:1450:4864:20::52c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1puuDD-0003l3-2J for qemu-devel@nongnu.org; Fri, 05 May 2023 08:07:01 -0400 Received: by mail-ed1-x52c.google.com with SMTP id 4fb4d7f45d1cf-50bcc565280so2547411a12.2 for ; Fri, 05 May 2023 05:06:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1683288416; x=1685880416; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=Q4Q/M6VkiRnc2u13pK8vm0RS70qXwvGYHSr84nhT/9k=; b=qCrvOz2yM6Yvc/27Ca3lvvqoJtZ8boRbw/nPBLetawCiL+oNC5/xNlxkWpWlzpP2K6 A61O8wcmjsUET7pC1tWH7fZownT7Yfmh2KHjajpKXP2CYB9+73gzE3dXdAbhxFTjp7Cv sUEuY5d+8aiKdKN2L2Ge7rRUUOE2slz18kse0JpQ+BXvYS8iaa5mXWersJHBED6oK8Et lkVS0xCNuyq1ECjhf9lPPvDJc1Mo6iZQu5/boBshApoEElOqkyXdJCaDrUSwKKXQF9Tw 0rpWKx2rVHm6208uwnVMmX7kyTDTBY8d9B1mC9xCW4PHlXpMxZrOqAhJaBR8ABlNHsEN g8/Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683288416; x=1685880416; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Q4Q/M6VkiRnc2u13pK8vm0RS70qXwvGYHSr84nhT/9k=; b=g/sHU0Hbr8ThL+RgLEM2H75UdiqKnz7qjxc77c2O1opjV/sDXoWYx0nBrfBL0u+JCO FRkcfvCKKKU9kkdVqcAUyzh8tFeu3g0TCoSJ2iodWelEcVhcmNsMhrwo31rqJwURdzp8 GuXiMgejtEkRav9sBWOY1S/W6m13i+GaOmcPvLzn/6l6Tcg5NOOliAf0sMP90/FAtUxV 40aYyi+gZi5fHy6PV+CWwASqkOyjWGKREEvsGOI1dCJDdfdspfMgs9o5PN+zVOI1VvNo +8Gp9bXZr0Cw5AyPg0AfUaUxVaFA17qb2kbNDnx/R/dATJXx9Tj4KDwktzsnFDfUtzK3 WXmQ== X-Gm-Message-State: AC+VfDxsUOekbtVRjajhAt36pA9NrZh6Mh+WQd2Xa7tbPYrEJ+/e/Tet iEY/1qWg6wMChXtPrT7oIIlTxg8/eTGx3BkUq2OOeEiXdFg2YTWX X-Google-Smtp-Source: ACHHUZ6YmfAbS2DWLZdyFpGhdG9ShQaHvYqfb7kFJliPX4REGVwRXdQCF/2eXqWAiI4BTKrQpEt1uPcrDdJFuVhdu4I= X-Received: by 2002:aa7:d408:0:b0:50c:2215:3193 with SMTP id z8-20020aa7d408000000b0050c22153193mr1405048edq.13.1683288416187; Fri, 05 May 2023 05:06:56 -0700 (PDT) MIME-Version: 1.0 References: <20230503070656.1746170-1-richard.henderson@linaro.org> <20230503070656.1746170-23-richard.henderson@linaro.org> In-Reply-To: <20230503070656.1746170-23-richard.henderson@linaro.org> From: Peter Maydell Date: Fri, 5 May 2023 13:06:45 +0100 Message-ID: Subject: Re: [PATCH v4 22/57] tcg/aarch64: Use full load/store helpers in user-only mode To: Richard Henderson Cc: qemu-devel@nongnu.org, git@xen0n.name, gaosong@loongson.cn, philmd@linaro.org, qemu-arm@nongnu.org, qemu-riscv@nongnu.org, qemu-s390x@nongnu.org Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::52c; envelope-from=peter.maydell@linaro.org; helo=mail-ed1-x52c.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=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-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Wed, 3 May 2023 at 08:12, Richard Henderson wrote: > > Instead of using helper_unaligned_{ld,st}, use the full load/store helpers. > This will allow the fast path to increase alignment to implement atomicity > while not immediately raising an alignment exception. > > Signed-off-by: Richard Henderson > -- Reviewed-by: Peter Maydell thanks -- PMM