From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 7F9CC385736D for ; Fri, 29 Apr 2022 13:17:44 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 7F9CC385736D Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-134-QzU-fGjWOGScUDXPHTXQEw-1; Fri, 29 Apr 2022 09:17:40 -0400 X-MC-Unique: QzU-fGjWOGScUDXPHTXQEw-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7C4C02811826; Fri, 29 Apr 2022 13:17:40 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.193.187]) by smtp.corp.redhat.com (Postfix) with ESMTPS id EF764416157; Fri, 29 Apr 2022 13:17:39 +0000 (UTC) From: Florian Weimer To: Adhemerval Zanella Cc: libc-alpha@sourceware.org Subject: Re: [PATCH v3 2/2] Default to --with-default-link=no (bug 25812) References: <15c7f6e9afe2c2b9c51ebc6372682a39b0932712.1649691083.git.fweimer@redhat.com> <138c11d6-0def-2ff4-73da-c4346a855043@linaro.org> Date: Fri, 29 Apr 2022 15:17:38 +0200 In-Reply-To: <138c11d6-0def-2ff4-73da-c4346a855043@linaro.org> (Adhemerval Zanella's message of "Fri, 29 Apr 2022 09:59:38 -0300") Message-ID: <87a6c458r1.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-5.7 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Apr 2022 13:17:45 -0000 * Adhemerval Zanella: > On 11/04/2022 12:32, Florian Weimer via Libc-alpha wrote: >> This is necessary to place the libio vtables into the RELRO segment. >> New tests elf/tst-relro-ldso and elf/tst-relro-libc are added to >> verify that this is what actually happens. >> >> The new tests fail on ia64 due to lack of (default) RELRO support >> inbutils, so they are XFAILed there. > > I always frown upon new configure options, since they tend to degrade over > time (as --disable-shared for instance [1]) and require additional > maintaining costs. Why can't we make the required semantic the default > (since usually relro has minimal costs it a net gain in hardening)? This is what the patch does, I think. Thanks, Florian