From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gerald@pfeifer.com>
Received: from hamza.pair.com (hamza.pair.com [209.68.5.143])
 by sourceware.org (Postfix) with ESMTPS id C5519385802F
 for <gcc-patches@gcc.gnu.org>; Fri, 27 Nov 2020 16:22:24 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org C5519385802F
Authentication-Results: sourceware.org;
 dmarc=none (p=none dis=none) header.from=pfeifer.com
Authentication-Results: sourceware.org;
 spf=pass smtp.mailfrom=gerald@pfeifer.com
Received: from hamza.pair.com (localhost [127.0.0.1])
 by hamza.pair.com (Postfix) with ESMTP id 5215033E92;
 Fri, 27 Nov 2020 11:22:24 -0500 (EST)
Received: from [192.168.1.5] (77.118.226.34.wireless.dyn.drei.com
 [77.118.226.34])
 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)
 key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256)
 (No client certificate requested)
 by hamza.pair.com (Postfix) with ESMTPSA id A8AD433E84;
 Fri, 27 Nov 2020 11:22:23 -0500 (EST)
Date: Fri, 27 Nov 2020 17:22:17 +0100 (CET)
From: Gerald Pfeifer <gerald@pfeifer.com>
To: "H.J. Lu" <hjl.tools@gmail.com>
cc: GCC Patches <gcc-patches@gcc.gnu.org>, Richard Biener <rguenther@suse.de>
Subject: Re: [PATCH] INSTALL: Default to --enable-cet=auto
In-Reply-To: <CAMe9rOrwL2pPHOCY2BHgvVLnZzHXQD_A2h9B=hEfzheJRZHE3w@mail.gmail.com>
Message-ID: <a396d32a-70f1-425-3d8e-d5d14fcc1379@pfeifer.com>
References: <20201127134211.1808714-1-hjl.tools@gmail.com>
 <nycvar.YFH.7.77.849.2011271424430.12412@jbgna.fhfr.qr>
 <CAMe9rOrwL2pPHOCY2BHgvVLnZzHXQD_A2h9B=hEfzheJRZHE3w@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS,
 SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2
X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on
 server2.sourceware.org
X-BeenThere: gcc-patches@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-patches mailing list <gcc-patches.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-patches>,
 <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-patches/>
List-Post: <mailto:gcc-patches@gcc.gnu.org>
List-Help: <mailto:gcc-patches-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-patches>,
 <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Fri, 27 Nov 2020 16:22:25 -0000

On Fri, 27 Nov 2020, H.J. Lu via Gcc-patches wrote:
> +@code{--enable-cet=auto} is default.  CET is enabled on Linux/x86 if
> +target binutils supports @code{Intel CET} instructions and disabled
> +otherwise.  In this case, the target libraries are configured to get
> +additional @option{-fcf-protection} option.

Does that refer to the Linux kernel or GNU/Linux?

THe last sentence does not appear complete.  What do you want to say?

"...target libraries are built with @option{-fcf-protection}"?

On Fri, 27 Nov 2020, H.J. Lu via Gcc-patches wrote:
> OK for backport to GCC 10?

Yes, once we have resolved the above.

Gerald