From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS3215 2.6.0.0/16 X-Spam-Status: No, score=-4.3 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI,SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 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 dcvr.yhbt.net (Postfix) with ESMTPS id 8FE6D1F8C6 for ; Mon, 30 Aug 2021 09:38:13 +0000 (UTC) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id C22613858429 for ; Mon, 30 Aug 2021 09:38:12 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C22613858429 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1630316292; bh=e4L0BdLzEk1zZkrM4QlVqBiJYVan6GWG4Ih+QpoX7q8=; h=To:Subject:References:Date:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=c8HHYjQcIMdWgnx3YUCviP+ZfarHuo9t8DyE8XEWnVXxMc1yeam7qOqvwkIRdDmSZ vfCdV6gcDcbkfxxAgVwA1hfpHjY0K8ND8dWDBjCjK0rokHtHBC75iA5Nr939YOZVyQ qv8BJXbXINDV6SG2PrEBEa4rbei7g9plYrfSpIug= 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 A69BA385741D for ; Mon, 30 Aug 2021 09:37:40 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org A69BA385741D 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-104-eE41dxOcPs6VXiRHEAlFew-1; Mon, 30 Aug 2021 05:37:39 -0400 X-MC-Unique: eE41dxOcPs6VXiRHEAlFew-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3B58C760C1; Mon, 30 Aug 2021 09:37:38 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.194.140]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 62B5C60C9F; Mon, 30 Aug 2021 09:37:37 +0000 (UTC) To: Adhemerval Zanella Subject: Re: [PATCH v2 15/19] nptl: Use tidlock when accessing TID on pthread_getname_np References: <20210823195047.543237-1-adhemerval.zanella@linaro.org> <20210823195047.543237-16-adhemerval.zanella@linaro.org> <87ilzs5l0a.fsf@oldenburg.str.redhat.com> Date: Mon, 30 Aug 2021 11:37:35 +0200 In-Reply-To: (Adhemerval Zanella's message of "Thu, 26 Aug 2021 14:45:48 -0300") Message-ID: <87czpvs274.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain 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: , From: Florian Weimer via Libc-alpha Reply-To: Florian Weimer Cc: libc-alpha@sourceware.org Errors-To: libc-alpha-bounces+e=80x24.org@sourceware.org Sender: "Libc-alpha" * Adhemerval Zanella: >> I wonder if we should cache the thread name in the TCB. That would be >> nice for debugging coredumps, too. > > This does not make sense, although it would require some memory > allocation. Isn't the name limited to 16 bytes? So it wouldn't need a separate allocation. Thanks, Florian