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 [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id EBED03858032 for ; Mon, 13 Dec 2021 15:29:43 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org EBED03858032 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-285-3ADj_Cr3MiaBMJXPa0qG4Q-1; Mon, 13 Dec 2021 10:29:40 -0500 X-MC-Unique: 3ADj_Cr3MiaBMJXPa0qG4Q-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7567890F062 for ; Mon, 13 Dec 2021 15:29:39 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.2.17.223]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9956829403; Mon, 13 Dec 2021 15:29:38 +0000 (UTC) From: Florian Weimer To: Carlos O'Donell via Libc-alpha Subject: Re: Monday Patch Queue Review update (2021-12-13) References: <20df2770-4611-e9b1-a59a-95cf2d34189b@redhat.com> Date: Mon, 13 Dec 2021 16:29:35 +0100 In-Reply-To: <20df2770-4611-e9b1-a59a-95cf2d34189b@redhat.com> (Carlos O'Donell via Libc-alpha's message of "Mon, 13 Dec 2021 10:03:01 -0500") Message-ID: <87y24oy140.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 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.5 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: Mon, 13 Dec 2021 15:29:45 -0000 * Carlos O'Donell via Libc-alpha: > * Discussed alignment issues with some architectures from the PT_LOAD changes. > * Still need this if p_align is large. > * We can solve this in the loader. > * Once we fix hte linker the normal binary will have 4KiB p_align. > * Will only get the large alignment if we have a variable that needs it. > * For huge page we still want the large p_align even if there is no variables. > * TODO: Must fix unmapping for 2.35. I filed a binutils bug: p_align in ELF program headers should not exceed section alignment But it's not that easy because glibc is unnecessarily strict about p_align: PT_LOAD p_align check is too strict Thanks, Florian