From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by sourceware.org (Postfix) with ESMTPS id DA3DA3858D33 for ; Fri, 6 Jan 2023 10:07:00 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org DA3DA3858D33 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=inria.fr Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=inria.fr DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inria.fr; s=dc; h=date:message-id:from:to:cc:subject; bh=4UA/KT6uKGaij98ZKdV4xAkMSk1NESYfJICFnz8Jfyc=; b=fuyjDHU+FpJPZbdq2kh9yUem9B6WWIT/97YVtltjS55oFQDo25zWC9E6 zi54p5HIB0HouCAbdrKmLxDcQqi44ErmMA0H0NyWA0oCdN4IUc6PtxY6G qZkrt1/WDjW3YhaOHIxh/BXXSY/WmyH9nzk59gjU8uL6WZbQIUUX4/wXu E=; Authentication-Results: mail3-relais-sop.national.inria.fr; dkim=none (message not signed) header.i=none; spf=SoftFail smtp.mailfrom=Paul.Zimmermann@inria.fr; spf=None smtp.helo=postmaster@coriandre Received-SPF: SoftFail (mail3-relais-sop.national.inria.fr: domain of Paul.Zimmermann@inria.fr is inclined to not designate 152.81.9.227 as permitted sender) identity=mailfrom; client-ip=152.81.9.227; receiver=mail3-relais-sop.national.inria.fr; envelope-from="Paul.Zimmermann@inria.fr"; x-sender="Paul.Zimmermann@inria.fr"; x-conformance=spf_only; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:192.134.164.0/24 mx ~all" Received-SPF: None (mail3-relais-sop.national.inria.fr: no sender authenticity information available from domain of postmaster@coriandre) identity=helo; client-ip=152.81.9.227; receiver=mail3-relais-sop.national.inria.fr; envelope-from="Paul.Zimmermann@inria.fr"; x-sender="postmaster@coriandre"; x-conformance=spf_only X-IronPort-AV: E=Sophos;i="5.96,304,1665439200"; d="scan'208";a="44320298" Received: from coriandre.loria.fr (HELO coriandre) ([152.81.9.227]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2023 11:06:59 +0100 Date: Fri, 06 Jan 2023 11:06:58 +0100 Message-Id: From: Paul Zimmermann To: nsz@port70.net CC: libc-alpha@sourceware.org Subject: Fix slow tls access after dlopen X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: Hi Szabolcs, please could you repost [1] as a distinct patch as requested by Carlos? This issue affects the SageMath software tool, with a major slowdown: https://trac.sagemath.org/ticket/34850 (see comment 97 which provides a short C program to reproduce the issue). Best regards, Paul [1] https://patchwork.ozlabs.org/project/glibc/patch/b116855de71098ef7dd2875dd3237f8f3ecc12c2.1618301209.git.szabolcs.nagy@arm.com/