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 X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 682AFC432BE for ; Thu, 26 Aug 2021 13:47:15 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id EE5FE60F21 for ; Thu, 26 Aug 2021 13:47:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org EE5FE60F21 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:44318 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mJFis-0000rd-7B for qemu-devel@archiver.kernel.org; Thu, 26 Aug 2021 09:47:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53200) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mJFQY-00026A-Rj for qemu-devel@nongnu.org; Thu, 26 Aug 2021 09:28:18 -0400 Received: from mail-ej1-x62e.google.com ([2a00:1450:4864:20::62e]:44986) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mJFQX-0003tZ-6R for qemu-devel@nongnu.org; Thu, 26 Aug 2021 09:28:18 -0400 Received: by mail-ej1-x62e.google.com with SMTP id me10so6232912ejb.11 for ; Thu, 26 Aug 2021 06:28:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Y0KkHSYVl7C+vp43dReA4vH8iDsv0muUrccBs6r/A8Y=; b=vItRLIbiqyyQlwfgmdEC8jBzCoqPahxwIF1bG7wNLre219Igj1TAxb9uXYQ7dvs+x0 BrIXIqOoVqYy0wpF7AJS237zyb1VLmJnY85dJf1qeNGqPe78yt5w+H2jnPb6c9lIwmlB cXznzarsih0w3H7VOSUBc/JI8TG9wvF21pKgriJg1QL+uwzXJWLkZXvJ3UZ5ksOAlbth fVsKPU2kI9cEcCFXkmZi2DH/QUgswRsirLG/da8gytxPXe+qeA3nmHwUc3nUtm3mEjsA 9z5vFtSkCj8wji0cUi1s0KZsYbrM5gzBuyGVXyM1anmtEQjXfHBKgKKuGjs5ufvFMgnl 10jg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Y0KkHSYVl7C+vp43dReA4vH8iDsv0muUrccBs6r/A8Y=; b=J5mvl7eqUyCYmJeotFqsrS+LxMkTbOrlSh+s8gv312h5aNi9whjJ4kiHUT6KtpTfaw HxDEbJMiUPtrXkZMTX0HMMS4pN2MjoYaE8xlF5j+RCF8lGYtfW/wikZDiur1zs6wwDL8 MOSvaY8wCE2slzMx8dyn3PCwUP4U/YEVCOqxO6Oe74N39HXY+8dTXB6KbhqGScExwPLR Km3X1A5YwZhq+XdHGPEVpNCU7sf4km1Mnmqc6+uyws/whD1UohhOEVjZ9oydFsu/OttI 47/zS3iG+qXybuqq39qYqnySd+RaIZiag9QgKec3COpOLGjH60KiUd4jp2hV2AuGTBw+ RYQQ== X-Gm-Message-State: AOAM533zy0KI/EECO2ixEsvtUwDKpE3MacZ5SOpJbR4Bm9gsiFuQtU0i KJC3ugea5hrHxBB/omUYsY5H25KgQamd4Q8LQ7hz5A== X-Google-Smtp-Source: ABdhPJxtjyViLF/qfI3b56kC8Y7QiOQZv6Z462kQ1sGl0GYLs7xFmZr+sYetKozAjh2rntlCHl6imGLGGeinnlF7zcI= X-Received: by 2002:a17:907:1048:: with SMTP id oy8mr4215635ejb.382.1629984495354; Thu, 26 Aug 2021 06:28:15 -0700 (PDT) MIME-Version: 1.0 References: <20210821195958.41312-1-richard.henderson@linaro.org> <20210821195958.41312-4-richard.henderson@linaro.org> In-Reply-To: <20210821195958.41312-4-richard.henderson@linaro.org> From: Peter Maydell Date: Thu, 26 Aug 2021 14:27:28 +0100 Message-ID: Subject: Re: [PATCH v2 3/8] linux-user/aarch64: Handle EC_PCALIGNMENT To: Richard Henderson Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::62e; envelope-from=peter.maydell@linaro.org; helo=mail-ej1-x62e.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 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm , QEMU Developers Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Sat, 21 Aug 2021 at 21:03, Richard Henderson wrote: > > This will shortly be raised for execution with a misaligned pc. > > Signed-off-by: Richard Henderson > --- > linux-user/aarch64/cpu_loop.c | 44 +++++++++++++++++++++-------------- > 1 file changed, 27 insertions(+), 17 deletions(-) I wasn't expecting PC misalignment to set the FAR (after all you can get the bogus PC out of the exception link register), but conveniently for us it does. Reviewed-by: Peter Maydell thanks -- PMM