From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id MHATOH240WLErhMAWB0awg (envelope-from ) for ; Fri, 15 Jul 2022 14:57:01 -0400 Received: by simark.ca (Postfix, from userid 112) id E127B1E5EA; Fri, 15 Jul 2022 14:57:01 -0400 (EDT) Authentication-Results: simark.ca; dkim=fail reason="signature verification failed" (768-bit key; unprotected) header.d=tromey.com header.i=@tromey.com header.a=rsa-sha256 header.s=default header.b=m2lV3rS4; dkim-atps=neutral X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,RDNS_DYNAMIC,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 Received: from sourceware.org (ip-8-43-85-97.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 8E8121E13B for ; Fri, 15 Jul 2022 14:57:01 -0400 (EDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 49E8B385AE49 for ; Fri, 15 Jul 2022 18:57:01 +0000 (GMT) Received: from gproxy4-pub.mail.unifiedlayer.com (gproxy4-pub.mail.unifiedlayer.com [69.89.23.142]) by sourceware.org (Postfix) with ESMTPS id F20483857BBD for ; Fri, 15 Jul 2022 18:56:49 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org F20483857BBD Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=tromey.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=tromey.com Received: from cmgw11.mail.unifiedlayer.com (unknown [10.0.90.126]) by progateway6.mail.pro1.eigbox.com (Postfix) with ESMTP id 7B1A410048A89 for ; Fri, 15 Jul 2022 18:56:39 +0000 (UTC) Received: from box5379.bluehost.com ([162.241.216.53]) by cmsmtp with ESMTP id CQUQoBJdMq24iCQURoDTJS; Fri, 15 Jul 2022 18:56:39 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=DaLSFthW c=1 sm=1 tr=0 ts=62d1b867 a=ApxJNpeYhEAb1aAlGBBbmA==:117 a=ApxJNpeYhEAb1aAlGBBbmA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=RgO8CyIxsXoA:10:nop_rcvd_month_year a=Qbun_eYptAEA:10:endurance_base64_authed_username_1 a=CCpqsmhAAAAA:8 a=75FAf6A6GYzAqeeAwkAA:9 a=ul9cdbp4aOFLsgKbc677:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tromey.com; s=default; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date:References :Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=+nY2yYL5trbwUiUCCiuV3icY2urSbT+CbYwIGNrwtxg=; b=m2lV3rS4ueLhK/UqCowmryVH8D MC8BwU6UWf0a8GQgEdwWjRR5ciA44gcZx2Ljqide8LWUhXLyNDTAijm47l4rTqgGdD6Qjx0hPvi8J HfYIfVz/giS0f76tMam+F9kkg; Received: from 71-211-185-228.hlrn.qwest.net ([71.211.185.228]:56122 helo=murgatroyd) by box5379.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1oCQUQ-0046hH-NE; Fri, 15 Jul 2022 12:56:38 -0600 From: Tom Tromey To: Tom de Vries via Gdb-patches Subject: Re: [committed][gdb/symtab] Make per_cu->m_lang atomic References: <20220714062002.GA609@delia.home> X-Attribution: Tom Date: Fri, 15 Jul 2022 12:56:38 -0600 In-Reply-To: <20220714062002.GA609@delia.home> (Tom de Vries via Gdb-patches's message of "Thu, 14 Jul 2022 08:20:04 +0200") Message-ID: <877d4enr15.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box5379.bluehost.com X-AntiAbuse: Original Domain - sourceware.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tromey.com X-BWhitelist: no X-Source-IP: 71.211.185.228 X-Source-L: No X-Exim-ID: 1oCQUQ-0046hH-NE X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 71-211-185-228.hlrn.qwest.net (murgatroyd) [71.211.185.228]:56122 X-Source-Auth: tom+tromey.com X-Email-Count: 12 X-Source-Cap: ZWx5bnJvYmk7ZWx5bnJvYmk7Ym94NTM3OS5ibHVlaG9zdC5jb20= X-Local-Domain: yes X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces+public-inbox=simark.ca@sourceware.org Sender: "Gdb-patches" >>>>> "Tom" == Tom de Vries via Gdb-patches writes: Tom> /* The language of this CU. */ Tom> - packed m_lang = language_unknown; Tom> + std::atomic> m_lang {language_unknown}; These changes seem fine to me but I wonder whether they have a performance impact. Tom