From patchwork Thu May 6 18:08:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Florian Weimer X-Patchwork-Id: 43270 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 7AC83383803E; Thu, 6 May 2021 18:08:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7AC83383803E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1620324524; bh=pcbZ0wnE7laYx/QlTZDV2sURg5gDf6nomwikF2M0z84=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=gAAG3u0Trk1KyJbIq9mFwOkieiWfIQLgtBUHZ5JfOXk49InjFCWpIfzxz4OzIVj07 c958IFXNt3N2UbSnC7Og8Ut2wufFcC9uEuX4S4h1TZd0X1ZnQOZ7AgKtXOD3m/+nVD Kns7jgwfKqZRDf7yD8VvffO+UY56WLiQtoctmouk= 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 16843383800F for ; Thu, 6 May 2021 18:08:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 16843383800F 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-438-_ABKKqJ3PnWLsGdoBT6QiA-1; Thu, 06 May 2021 14:08:35 -0400 X-MC-Unique: _ABKKqJ3PnWLsGdoBT6QiA-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6572B107ACC7 for ; Thu, 6 May 2021 18:08:34 +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 BFF776091A for ; Thu, 6 May 2021 18:08:33 +0000 (UTC) To: libc-alpha@sourceware.org Subject: [PATCH 00/13] Linux: Move most stack management out of libpthread Message-Id: Date: Thu, 06 May 2021 20:08:52 +0200 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 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 incorporates the previous “nptl: Remove delayed rtld lock initialization” series. Tested on i686-linux-gnu and x86_64-linux-gnu. Built with build-many-glibcs.py. Thanks, Florian Florian Weimer (13): scripts/versions.awk: Add strings and hashes to elf, nptl: Resolve recursive lock implementation early nptl: Export __libc_multiple_threads from libc as an internal symbol Linux: Explicitly disable cancellation checking in the dynamic loader Linux: Simplify and fix the definition of SINGLE_THREAD_P nptl: Eliminate __pthread_multiple_threads elf: Introduce __tls_pre_init_tp nptl: Move more stack management variables into _rtld_global nptl: Simplify the change_stack_perm calling convention nptl: Move changing of stack permissions into ld.so nptl: Simplify resetting the in-flight stack in __reclaim_stacks nptl: Move __default_pthread_attr, __default_pthread_attr_lock into libc Linux: Move __reclaim_stacks into the fork implementation in libc csu/libc-tls.c | 2 + elf/Makefile | 3 +- elf/dl-load.c | 4 + elf/dl-mutex.c | 19 ++ elf/dl-support.c | 13 +- elf/dl-tls_init_tp.c | 29 +++ elf/rtld.c | 34 +--- nptl/Makefile | 2 +- nptl/Versions | 4 +- nptl/allocatestack.c | 227 ++---------------------- nptl/libc_multiple_threads.c | 3 +- nptl/libc_pthread_init.c | 11 -- nptl/nptl-init.c | 24 --- nptl/pthreadP.h | 33 ++-- nptl/pthread_cancel.c | 2 +- nptl/vars.c | 15 +- scripts/versions.awk | 36 ++++ sysdeps/generic/ldsodefs.h | 51 +++++- sysdeps/nptl/dl-mutex.c | 53 ++++++ sysdeps/nptl/dl-tls_init_tp.c | 26 ++- sysdeps/nptl/fork.c | 110 ++++++++++++ sysdeps/nptl/libc-lockP.h | 17 +- sysdeps/unix/sysdep.h | 11 +- sysdeps/unix/sysv/linux/Versions | 6 + sysdeps/unix/sysv/linux/dl-execstack.c | 76 +++++++- sysdeps/unix/sysv/linux/single-thread.h | 42 ++--- 26 files changed, 481 insertions(+), 372 deletions(-) create mode 100644 elf/dl-mutex.c create mode 100644 sysdeps/nptl/dl-mutex.c Tested-by: Carlos O'Donell Reviewed-by: Carlos O'Donell