From patchwork Tue May 4 15:15:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Weimer X-Patchwork-Id: 43254 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 458DD3968C22; Tue, 4 May 2021 15:15:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 458DD3968C22 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1620141335; bh=MY9F+hO34mt0nywZUtJNkhvbPc1BUFxkENxPl0SGuk0=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=p+4lxTRVDZVVWTCgKb40e1t60mJCRa8w8SwjRBBbNhHfTUgAIPmtugft92EkN7Gdz HfdG0X9/wSMOwZnFeD5ooNJAJd1KXb007amVjpMgCNFfDvSeCz+JyQE+aJXGjr+i1J bmn+Z7stfGAYopir3+z2HhaUgOuBOzZMKlVNG8Oc= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTP id 0A73B3992410 for ; Tue, 4 May 2021 15:15:30 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 0A73B3992410 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-102-h5YLbf2mNiaJ9f3Q44ejWw-1; Tue, 04 May 2021 11:15:28 -0400 X-MC-Unique: h5YLbf2mNiaJ9f3Q44ejWw-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 783D18027F4 for ; Tue, 4 May 2021 15:15:27 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-112-137.ams2.redhat.com [10.36.112.137]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CD5B4100EBAD for ; Tue, 4 May 2021 15:15:26 +0000 (UTC) To: libc-alpha@sourceware.org Subject: [PATCH v2 0/2] nptl: Remove delayed rtld lock initialization Message-Id: Date: Tue, 04 May 2021 17:15:41 +0200 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 X-Spam-Status: No, score=-6.8 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_H4, RCVD_IN_MSPIKE_WL, 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: 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-Patchwork-Original-From: Florian Weimer via Libc-alpha From: Florian Weimer Reply-To: Florian Weimer Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" This mini-series removes a bit of initialization code from nptl/nptl-init.c. Tested on i686-linux-gnu and x86_64-linux-gnu (which have different libc.so.6 symbol version baselines, so the new macros work). v2: Start out with a pointer to a dummy lock/unlock implementation. I think this is simpler. Florian Weimer (2): scripts/versions.awk: Add strings and hashes to elf, nptl: Resolve recursive lock implementation early elf/Makefile | 3 +- elf/dl-lock.c | 56 ++++++++++++++++++++++++++++++++++++++ elf/rtld.c | 18 ++++++++++++ nptl/nptl-init.c | 9 ------ scripts/versions.awk | 36 ++++++++++++++++++++++++ sysdeps/generic/ldsodefs.h | 25 ++++++++++++++++- sysdeps/nptl/libc-lockP.h | 17 +++--------- 7 files changed, 140 insertions(+), 24 deletions(-) create mode 100644 elf/dl-lock.c