From patchwork Mon Jun 29 19:00:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathieu Desnoyers X-Patchwork-Id: 1319018 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=libc-alpha-bounces@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=sourceware.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.a=rsa-sha256 header.s=default header.b=vxfzlwTp; dkim-atps=neutral Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 49wcJc4Stzz9sV3 for ; Tue, 30 Jun 2020 05:00:48 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id DBFDD383F867; Mon, 29 Jun 2020 19:00:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DBFDD383F867 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1593457244; bh=huNZiIC5jSgyTo4ml3E36Ri2L3jae5LDbtfEWziEnss=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:Cc:From; b=vxfzlwTpCSVPsnZdOtINieBLEhMGIGAEGEwGCCdUEQHn0Vutimtp5+bdBmEurOKNJ 7myrnmtyBEqqKHN8XWNCdjQIzLkMnZESRe4+tyAvk6IRy/8GP2U0DaBGXSdoqmgbdT HzIdWWbcYksvPYtoM8BHkY1Wa7JA73r/aEpQJk+Q= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail.efficios.com (mail.efficios.com [167.114.26.124]) by sourceware.org (Postfix) with ESMTPS id 373F2386EC42 for ; Mon, 29 Jun 2020 19:00:42 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 373F2386EC42 Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id C1D1226B2BD; Mon, 29 Jun 2020 15:00:41 -0400 (EDT) Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id F7G5z2Gmiyc0; Mon, 29 Jun 2020 15:00:41 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mail.efficios.com (Postfix) with ESMTP id 7B71726B51D; Mon, 29 Jun 2020 15:00:41 -0400 (EDT) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.efficios.com 7B71726B51D X-Virus-Scanned: amavisd-new at efficios.com Received: from mail.efficios.com ([127.0.0.1]) by localhost (mail03.efficios.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id oQCN09-SPI8w; Mon, 29 Jun 2020 15:00:41 -0400 (EDT) Received: from localhost.localdomain (192-222-181-218.qc.cable.ebox.net [192.222.181.218]) by mail.efficios.com (Postfix) with ESMTPSA id 0F4C826B0ED; Mon, 29 Jun 2020 15:00:41 -0400 (EDT) To: Florian Weimer Subject: [PATCH 0/3] Restartable Sequences enablement Date: Mon, 29 Jun 2020 15:00:33 -0400 Message-Id: <20200629190036.26982-1-mathieu.desnoyers@efficios.com> X-Mailer: git-send-email 2.17.1 X-Spam-Status: No, score=-10.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, 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: Mathieu Desnoyers via Libc-alpha From: Mathieu Desnoyers Reply-To: Mathieu Desnoyers Cc: libc-alpha@sourceware.org, Joseph Myers , Mathieu Desnoyers Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" Hi, Please find the rseq enablement patchset for inclusion into glibc. I took care of the round of feedbacks from last week, and rebased the series on glibc's master branch. Thanks! Mathieu Mathieu Desnoyers (3): glibc: Perform rseq registration at C startup and thread creation (v22) Linux: Use rseq in sched_getcpu if available (v9) rseq registration tests (v11) NEWS | 10 + elf/dl-tls.c | 2 +- elf/libc_early_init.c | 4 + manual/threads.texi | 64 +++++ nptl/pthread_create.c | 13 + sysdeps/generic/rseq-internal.h | 26 ++ sysdeps/unix/sysv/linux/Makefile | 15 +- sysdeps/unix/sysv/linux/Versions | 1 + sysdeps/unix/sysv/linux/aarch64/bits/rseq.h | 43 +++ sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 + sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/bits/rseq.h | 83 ++++++ sysdeps/unix/sysv/linux/arm/le/libc.abilist | 1 + sysdeps/unix/sysv/linux/bits/rseq.h | 29 ++ sysdeps/unix/sysv/linux/csky/libc.abilist | 1 + sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 + sysdeps/unix/sysv/linux/i386/libc.abilist | 1 + sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 + .../sysv/linux/m68k/coldfire/libc.abilist | 1 + .../unix/sysv/linux/m68k/m680x0/libc.abilist | 1 + .../sysv/linux/microblaze/be/libc.abilist | 1 + .../sysv/linux/microblaze/le/libc.abilist | 1 + sysdeps/unix/sysv/linux/mips/bits/rseq.h | 62 +++++ .../sysv/linux/mips/mips32/fpu/libc.abilist | 1 + .../sysv/linux/mips/mips32/nofpu/libc.abilist | 1 + .../sysv/linux/mips/mips64/n32/libc.abilist | 1 + .../sysv/linux/mips/mips64/n64/libc.abilist | 1 + sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 + sysdeps/unix/sysv/linux/powerpc/bits/rseq.h | 37 +++ .../linux/powerpc/powerpc32/fpu/libc.abilist | 1 + .../powerpc/powerpc32/nofpu/libc.abilist | 1 + .../linux/powerpc/powerpc64/be/libc.abilist | 1 + .../linux/powerpc/powerpc64/le/libc.abilist | 1 + .../unix/sysv/linux/riscv/rv64/libc.abilist | 1 + sysdeps/unix/sysv/linux/rseq-internal.h | 73 +++++ sysdeps/unix/sysv/linux/rseq-sym.c | 26 ++ sysdeps/unix/sysv/linux/s390/bits/rseq.h | 37 +++ .../unix/sysv/linux/s390/s390-32/libc.abilist | 1 + .../unix/sysv/linux/s390/s390-64/libc.abilist | 1 + sysdeps/unix/sysv/linux/sched_getcpu.c | 22 +- sysdeps/unix/sysv/linux/sh/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/le/libc.abilist | 1 + .../sysv/linux/sparc/sparc32/libc.abilist | 1 + .../sysv/linux/sparc/sparc64/libc.abilist | 1 + sysdeps/unix/sysv/linux/sys/rseq.h | 203 ++++++++++++++ sysdeps/unix/sysv/linux/tst-rseq-nptl.c | 256 ++++++++++++++++++ sysdeps/unix/sysv/linux/tst-rseq.c | 64 +++++ sysdeps/unix/sysv/linux/tst-rseq.h | 59 ++++ sysdeps/unix/sysv/linux/x86/bits/rseq.h | 30 ++ .../unix/sysv/linux/x86_64/64/libc.abilist | 1 + .../unix/sysv/linux/x86_64/x32/libc.abilist | 1 + 52 files changed, 1183 insertions(+), 6 deletions(-) create mode 100644 sysdeps/generic/rseq-internal.h create mode 100644 sysdeps/unix/sysv/linux/aarch64/bits/rseq.h create mode 100644 sysdeps/unix/sysv/linux/arm/bits/rseq.h create mode 100644 sysdeps/unix/sysv/linux/bits/rseq.h create mode 100644 sysdeps/unix/sysv/linux/mips/bits/rseq.h create mode 100644 sysdeps/unix/sysv/linux/powerpc/bits/rseq.h create mode 100644 sysdeps/unix/sysv/linux/rseq-internal.h create mode 100644 sysdeps/unix/sysv/linux/rseq-sym.c create mode 100644 sysdeps/unix/sysv/linux/s390/bits/rseq.h create mode 100644 sysdeps/unix/sysv/linux/sys/rseq.h create mode 100644 sysdeps/unix/sysv/linux/tst-rseq-nptl.c create mode 100644 sysdeps/unix/sysv/linux/tst-rseq.c create mode 100644 sysdeps/unix/sysv/linux/tst-rseq.h create mode 100644 sysdeps/unix/sysv/linux/x86/bits/rseq.h