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=-16.6 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,USER_AGENT_GIT 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 C139CC433DB for ; Mon, 25 Jan 2021 14:50:18 +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 5A33A20848 for ; Mon, 25 Jan 2021 14:50:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5A33A20848 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:54792 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l43C5-0006fg-FU for qemu-devel@archiver.kernel.org; Mon, 25 Jan 2021 09:50:17 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:41084) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l437q-0003uX-7g for qemu-devel@nongnu.org; Mon, 25 Jan 2021 09:45:54 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:47191) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l437n-0002rH-9z for qemu-devel@nongnu.org; Mon, 25 Jan 2021 09:45:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611585950; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/vTBGdpObdt7akXTKRcYVJLfbSFpvNvWMtOTP20LsSw=; b=K9ZFprSQHmpn0MNmn4jY7288Y4GfXFwTP+LYOAODru8TdXgi5pOrNueuhVfPt/j5r/7OYG UsTJ9tjRJwpzTXk1vIfVQzK7aDVCYO7pJ9FQ0yQ71HzKb90y2VPYlNghJNl+aLW1r0hxpq wMStKSVyMpM1Ur6lFgQjFAxehiUn5Dw= Received: from mail-ej1-f70.google.com (mail-ej1-f70.google.com [209.85.218.70]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-14-M7Y9MNTcMDezn5e3QaR56w-1; Mon, 25 Jan 2021 09:45:48 -0500 X-MC-Unique: M7Y9MNTcMDezn5e3QaR56w-1 Received: by mail-ej1-f70.google.com with SMTP id m4so3841100ejc.14 for ; Mon, 25 Jan 2021 06:45:48 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=/vTBGdpObdt7akXTKRcYVJLfbSFpvNvWMtOTP20LsSw=; b=lAUzrJWrcGBITeHZWqlvUMjvcrbWeuRZWReBRwps6avagH0BVis2Vc2z3Qk8Hh64Er fI+r01QRya6m3AjVyTomaz8xYwghazcc43W8PzveVtonM3aa0Z74Rt8NOOtNLpqU/nD/ IIioFx7A1TYptdeV9mwL5ZjaCYOPWXCiveSMj3DQk7l2dqitO7Lac2i4p7BCmZgyUYrY 3Rms1+grw7SudR7kuPzoZd0ZJ9QhgQPC6/ph5x3dCEH/SA0SfEu1y8lgWQsaAq3WdPAA kMzYHC4ncNceHit/ai21x2pXg6wb+fOzHoQchcwM6B+HEdoz4lWFvtycHIOtM3ZDF8Jd FOhg== X-Gm-Message-State: AOAM531WXhWidOwG/dXyEGZbFSJmkDThsgryRDKMJajY8dXbJMtaXNzI s7RFck/EM6Kkrkhey8sWhGGJBTHmlzE7eRNq9ZNWdrqJ7fAuTGttxacUXf0aVFk9vuMaShcwWCm d8IV/JqclFcqImfmEECyV+wmr5M9i9TpF0p4Eprx2v7+eHGnh2HTgPuWVXn1YGduH X-Received: by 2002:a17:906:3a98:: with SMTP id y24mr557816ejd.436.1611585947420; Mon, 25 Jan 2021 06:45:47 -0800 (PST) X-Google-Smtp-Source: ABdhPJxbqhCxaQl381d2LAvhvh+O0qV3j7JW5isaDMyu7oEjzWubENYGfe3V3+dRa6yNNc0pLIKnxQ== X-Received: by 2002:a17:906:3a98:: with SMTP id y24mr557803ejd.436.1611585947278; Mon, 25 Jan 2021 06:45:47 -0800 (PST) Received: from x1w.redhat.com (13.red-83-57-169.dynamicip.rima-tde.net. [83.57.169.13]) by smtp.gmail.com with ESMTPSA id e22sm8473467ejd.79.2021.01.25.06.45.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Jan 2021 06:45:45 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v4 2/4] configure: Improve TCI feature description Date: Mon, 25 Jan 2021 15:45:28 +0100 Message-Id: <20210125144530.2837481-3-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210125144530.2837481-1-philmd@redhat.com> References: <20210125144530.2837481-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.255, 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=ham 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: Thomas Huth , "Daniel P . Berrange" , Stefan Weil , Richard Henderson , Paolo Bonzini , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Users might want to enable all features, without realizing some features have negative effect. Mention the TCI feature is slow and experimental, hoping it will be selected knowingly. Suggested-by: Thomas Huth Signed-off-by: Philippe Mathieu-Daudé --- configure | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure b/configure index 526c4cc1306..00952ac8186 100755 --- a/configure +++ b/configure @@ -1748,7 +1748,7 @@ Advanced options (experts only): --with-trace-file=NAME Full PATH,NAME of file to store traces Default:trace- --disable-slirp disable SLIRP userspace network connectivity - --enable-tcg-interpreter enable TCG with bytecode interpreter (TCI) + --enable-tcg-interpreter enable TCI (TCG with bytecode interpreter, experimental and slow) --enable-malloc-trim enable libc malloc_trim() for memory optimization --oss-lib path to OSS library --cpu=CPU Build for host CPU [$cpu] -- 2.26.2