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: AS17314 8.43.84.0/22 X-Spam-Status: No, score=-3.8 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, PDS_RDNS_DYNAMIC_FP,RCVD_IN_DNSWL_HI,RDNS_DYNAMIC,SPF_HELO_PASS, SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 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 (4096 bits) server-digest SHA256) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id C785F1F8C6 for ; Mon, 12 Jul 2021 17:57:40 +0000 (UTC) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 8AEEB389247C for ; Mon, 12 Jul 2021 17:57:39 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8AEEB389247C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1626112659; bh=9C4GQbMgQIHWLdL2w7HuVUVXd5K4kwfdKWlp+1DBsrI=; 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=tv4bqLkfIveYQdt+r9yZkGuc7ni7f/rxopMj14T9cXeX1jo4no8ZHhWr3ANAixQxE 2k3Ln+tUTCApu3ro74RiZt9M+J8pdN/WeuqyQqporUwEYndpAXpd7ldguG36eH3SWD qRRYnQQDY8BdWoMP9t7oQ7KZM3/Mb7eTzwYJSjo0= 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 2E53E3893C52 for ; Mon, 12 Jul 2021 17:56:03 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 2E53E3893C52 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-98-dQ8q2HsvMxukFXmWNza7JA-1; Mon, 12 Jul 2021 13:56:01 -0400 X-MC-Unique: dQ8q2HsvMxukFXmWNza7JA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id AB47A1023F5C; Mon, 12 Jul 2021 17:56:00 +0000 (UTC) Received: from oldenburg.str.redhat.com (ovpn-112-103.rdu2.redhat.com [10.10.112.103]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E671C18B42; Mon, 12 Jul 2021 17:55:59 +0000 (UTC) To: Adhemerval Zanella Subject: Re: [PATCH] Linux: Use 32-bit vDSO for clock_gettime, gettimeofday, time (bug 28071) References: <87czrqf5un.fsf@oldenburg.str.redhat.com> <878s2ef19p.fsf@oldenburg.str.redhat.com> <874kd2ey6s.fsf@oldenburg.str.redhat.com> <158cdbcb-5335-9ff4-cf3e-a45d8603d029@linaro.org> <878s2bdddm.fsf@oldenburg.str.redhat.com> <87zgurad11.fsf@oldenburg.str.redhat.com> <03207aa6-6bf3-febe-2b7f-30174faede60@linaro.org> <87bl77a9mn.fsf@oldenburg.str.redhat.com> <1f9dd3be-5731-ddab-cba6-1e4f302563b0@linaro.org> Date: Mon, 12 Jul 2021 19:55:56 +0200 In-Reply-To: <1f9dd3be-5731-ddab-cba6-1e4f302563b0@linaro.org> (Adhemerval Zanella's message of "Mon, 12 Jul 2021 12:46:45 -0300") Message-ID: <877dhv8lhv.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 10.5.11.11 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 am almost sure it is a kernel issue specific to s390, where kernel does > not map the vDSO is there is no interpreter (it happens for static case > and for the loader directly). I think it was fixed upstream, although > s390 vDSO is also now gone on 5.5: Oh, that's it indeed. With a hard-coded dynamic linker path, there is again no system call. So this patch is good functionality-wise, too. Thanks, Florian