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 662033858434 for ; Tue, 21 Dec 2021 14:55:04 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 662033858434 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-638-5kQMjmHAP82DwSrNhREMVw-1; Tue, 21 Dec 2021 09:55:03 -0500 X-MC-Unique: 5kQMjmHAP82DwSrNhREMVw-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 20E85100F954; Tue, 21 Dec 2021 14:55:02 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.104]) by smtp.corp.redhat.com (Postfix) with ESMTPS id D2347101E59B; Tue, 21 Dec 2021 14:54:46 +0000 (UTC) From: Florian Weimer To: Adhemerval Zanella Cc: libc-alpha@sourceware.org, John Mellor-Crummey , Ben Woodard Subject: Re: [PATCH v6 19/20] elf: Fix runtime linker auditing on aarch64 (BZ #26643) References: <20211115183734.531155-1-adhemerval.zanella@linaro.org> <20211115183734.531155-20-adhemerval.zanella@linaro.org> <87zgovc68b.fsf@oldenburg.str.redhat.com> <87mtku9fvd.fsf@oldenburg.str.redhat.com> Date: Tue, 21 Dec 2021 15:54:45 +0100 In-Reply-To: (Adhemerval Zanella's message of "Tue, 21 Dec 2021 11:48:31 -0300") Message-ID: <87ee669fey.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 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.3 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, 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: Tue, 21 Dec 2021 14:55:05 -0000 * Adhemerval Zanella: >>> At least for aarch64 old audit modules are error-prone and potentially adds >>> more subtle issues since they do not save/restore some return register that >>> I don't see any real gain to keep supporting them. >> >> I disagree. la_objsearch alone is a significant use case, and I don't >> see why it wouldn't work today. It does not need any >> architecture-specific code whatsoever. > > My main problem is provide a API which undocumented and missing support > where if users tries to replicate what other architecture does it will > shoot in the foot. I think this is just a broken API and we should > avoid it. Sorry, which API? Thanks, Florian