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: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-4.0 required=3.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_PASS,SPF_PASS shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id 1CCD71F466 for ; Wed, 15 Jan 2020 09:50:57 +0000 (UTC) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:mime-version :content-type:content-transfer-encoding; q=dns; s=default; b=H0x Dy43ym+GPXex/2PhNVe8pxomH5dboVH7CAwXEPUvj3vRtkMFxqK8lf8nqSMzEONW Mr8QNoa2PE3JDeMkcbO9BS8mF6dLuIlA7Wu+KNJLYWAZGV5crfn7kv0zt1vbk53o AS61KnBns6K0FiMA+KuqGPjyMcq1HnccfmDrYgkU= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:mime-version :content-type:content-transfer-encoding; s=default; bh=uKlF13wWW TrV587Luskb/jqB4q4=; b=uNHNn1TmKK9gu7m2pOGSY9HLaRW1UkWQtU5+T1oRd 2c0sRt3olatys3pLiKjLnbPVe9PYR/t59Um4Z5jVrxr+KAlNtSSgRdVLVMKC0rqI RcRFB8hJW1isJ7weg3/kaP7Sanz+oBfi2+iZrr9GWHqSe36owA1oW2rqEBfdNq5b NI= Received: (qmail 7236 invoked by alias); 15 Jan 2020 09:50:54 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 7227 invoked by uid 89); 15 Jan 2020 09:50:54 -0000 Authentication-Results: sourceware.org; auth=none X-HELO: us-smtp-1.mimecast.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579081842; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=b2Mk4NmJAFWuJd55FFmI2L1rnT4fUsw2p5+mFPxYSxE=; b=iD1r5bi+jQzfV2C/GhdUUCy/ljLARiEVdNpHQl13qhd3yNjO7ubhamNJTBcIWgt/oc/K2B kHdkUbXv4wT9ATHlbqyWUvErf7A9RYxmOL83+X69wbfPKem0HhNvWo+yfMPDWz1VO140Pa A7TDPp9/uxeZaPtcS69cSLfBGDTB9DI= From: Florian Weimer To: libc-alpha@sourceware.org Subject: Loss of vDSO support on s390x Date: Wed, 15 Jan 2020 10:50:38 +0100 Message-ID: <87a76p2glt.fsf@oldenburg2.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable time, gettimeofday, and clock_gettime always seem to make system calls now. Is this intentional? I'm worried that this is a major performance regression. Thanks, Florian