Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp76483imu; Mon, 26 Nov 2018 08:08:58 -0800 (PST) X-Google-Smtp-Source: AFSGD/Wzzb1QHSgtWVg4GsgAV9oguyFux2D8V5rpYCs2RZELvjruLnVaeJQ6BQvfYIITI6RFdr8v X-Received: by 2002:a17:902:ab92:: with SMTP id f18mr5258049plr.221.1543248538570; Mon, 26 Nov 2018 08:08:58 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543248538; cv=none; d=google.com; s=arc-20160816; b=z2/ivD6XDie0FPCEnLBv2BLwKeKCZKX1dUUfT1y8rCzX5jaM2oh0ERShKg5Xs4cFnW pAuNcjh96KOLo22OiTOhNXkHnD0BchbDJy6TcVCY+GnHigEm/ef46hTVU7wSiGsBXes7 PLfTbwWHnpyLo0/nan4dGsTMLOr+u/bi/ZCNjtipDWeoXuOuLMU4ZpD65Smg9XRuILB9 y81Flh+P30BkvyUhsOCqPfF8iiv265qjqDv6wlmqM7E7LWG0pfktLkhqw75rWLBss7/B E9uAn7ZIJ/Bex8BpOAVvkV/1/JNvwcQwXtZbAVo4qjAOuGzOEsiCzEIm8HiQSMjiD1ND XcNA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:message-id :in-reply-to:date:references:subject:cc:to:from; bh=u/iDNWVfsSdwYP/MlG2VQFTEKvqdsSJVbqY9xT9v8yI=; b=wcflEwoV2H57BQ0gA1SpXIFsMyNh+c0wgQuwusX10WJbfLtjoXuFTfJLl5I8urJ/Pv rW0lJ9xcS+3+QUomtwCiZCwh/nPxCC355lAvFJGLR9wFMgS5DtDzJGpG0UOi+ZzNQ4or 5G9UjyNySmX94PDL1Yp6SZG/8MyUprekerqclixKS5+6bpL6BzlNKnc2/XXWz4xozV61 A0mL9DtcX/nrfktJITSSS2tp8f/ndNV0QIiiw2xkdBV/R3aE9hUXnRw5lgT6QL7s1Wlj 7OyyHsESa9vPo2N96Hx+Rnpc6Ye5eSFwA8YBgnKUTtxNt+nh/yv0cuo4h033CPPEYXav Z/GQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w11si587447pgf.452.2018.11.26.08.07.03; Mon, 26 Nov 2018 08:08:58 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726666AbeK0C5t (ORCPT + 99 others); Mon, 26 Nov 2018 21:57:49 -0500 Received: from mx1.redhat.com ([209.132.183.28]:35706 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726251AbeK0C5t (ORCPT ); Mon, 26 Nov 2018 21:57:49 -0500 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 mx1.redhat.com (Postfix) with ESMTPS id 7F460308219C; Mon, 26 Nov 2018 16:03:17 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-117-248.ams2.redhat.com [10.36.117.248]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A213F1057066; Mon, 26 Nov 2018 16:03:10 +0000 (UTC) From: Florian Weimer To: Mathieu Desnoyers Cc: Rich Felker , carlos , Joseph Myers , Szabolcs Nagy , libc-alpha , Thomas Gleixner , Ben Maurer , Peter Zijlstra , "Paul E. McKenney" , Boqun Feng , Will Deacon , Dave Watson , Paul Turner , linux-kernel , linux-api Subject: Re: [RFC PATCH v4 1/5] glibc: Perform rseq(2) registration at nptl init and thread creation References: <20181121183936.8176-1-mathieu.desnoyers@efficios.com> <20181123142843.GJ23599@brightrain.aerifal.cx> <1150466925.11664.1542992720871.JavaMail.zimbra@efficios.com> <20181123173019.GK23599@brightrain.aerifal.cx> <865273158.11687.1542995541389.JavaMail.zimbra@efficios.com> <20181123183558.GM23599@brightrain.aerifal.cx> <1758017676.12041.1543007347347.JavaMail.zimbra@efficios.com> <87bm6cqm31.fsf@oldenburg.str.redhat.com> <688718071.12798.1543247469553.JavaMail.zimbra@efficios.com> Date: Mon, 26 Nov 2018 17:03:02 +0100 In-Reply-To: <688718071.12798.1543247469553.JavaMail.zimbra@efficios.com> (Mathieu Desnoyers's message of "Mon, 26 Nov 2018 10:51:09 -0500 (EST)") Message-ID: <874lc3omh5.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.47]); Mon, 26 Nov 2018 16:03:17 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Mathieu Desnoyers: > So let's make __rseq_abi and __rseq_refcount strong symbols then ? Yes, please. (But I'm still not sure we need the reference counter.) Thanks, Florian