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=-15.3 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 94794C433E0 for ; Fri, 22 Jan 2021 11:34:15 +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 DBE64235E4 for ; Fri, 22 Jan 2021 11:34:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DBE64235E4 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]:35166 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1l2uhh-0006bs-GO for qemu-devel@archiver.kernel.org; Fri, 22 Jan 2021 06:34:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:36440) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1l2ugc-0005yB-Ni for qemu-devel@nongnu.org; Fri, 22 Jan 2021 06:33:06 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:51568) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1l2ugZ-0002jm-Vd for qemu-devel@nongnu.org; Fri, 22 Jan 2021 06:33:06 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611315182; 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=sj5la1V5nAmlmw9NNf7hY4mLBIxzn6UnSqKgeDUmNzA=; b=XHPPxb0LbXpqu1VG/Wew4AZ5vy9FI4fgpJ41F8XZUZqY4FpJJdOrIfqOxKlebQshF0RAyZ uM/ulKD8OAbt+3ck4/vXrwitRfL9X97crUsrUK+q3LZf7L4/6gIAHb9ZJNRTwYewNpKQIM Ps17sENkvhfn8n8C2rfMHZoaPx1G0Ns= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-170--w2FFzaCNKW2ysTV17HcTg-1; Fri, 22 Jan 2021 06:33:00 -0500 X-MC-Unique: -w2FFzaCNKW2ysTV17HcTg-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 27BC4107ACE3; Fri, 22 Jan 2021 11:32:59 +0000 (UTC) Received: from thuth.remote.csb (ovpn-112-109.ams2.redhat.com [10.36.112.109]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5E28310021AA; Fri, 22 Jan 2021 11:32:57 +0000 (UTC) Subject: Re: [PATCH v2 3/4] configure: Improve TCI feature description To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org References: <20210122105836.1878506-1-philmd@redhat.com> <20210122105836.1878506-4-philmd@redhat.com> From: Thomas Huth Message-ID: Date: Fri, 22 Jan 2021 12:32:56 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20210122105836.1878506-4-philmd@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.182, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.221, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Paolo Bonzini , Richard Henderson , "Daniel P . Berrange" , Stefan Weil Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 22/01/2021 11.58, Philippe Mathieu-Daudé wrote: > 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 9f016b06b54..71bdc523aa0 100755 > --- a/configure > +++ b/configure > @@ -1753,7 +1753,7 @@ 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 TCG with bytecode interpreter (experimental and slow) I'd prefer if we could keep the "TCI" in there ... I remember having grep'ed for "tci" in the help output in the past, so I think it would be good to keep the TLA here. Maybe just put "TCI, slow" in the parantheses and omit "experimental"? Thomas