From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B604C10DCE for ; Fri, 13 Mar 2020 01:16:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 64DA1205F4 for ; Fri, 13 Mar 2020 01:16:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dD64Hqxj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726647AbgCMBQZ (ORCPT ); Thu, 12 Mar 2020 21:16:25 -0400 Received: from mail-lf1-f67.google.com ([209.85.167.67]:42774 "EHLO mail-lf1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726620AbgCMBQY (ORCPT ); Thu, 12 Mar 2020 21:16:24 -0400 Received: by mail-lf1-f67.google.com with SMTP id t21so6467938lfe.9; Thu, 12 Mar 2020 18:16:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=siQwJBaXROUJV32p3kjtwdctFihjBGuh3SOKqpsL7nk=; b=dD64HqxjJuLNNWT/Rj1Dw1SO6bc4xsOMT7+3zwnC0wPhTFnEy5FmqzzjuAYrczSHvO Q6PUQL3RRTkopH+IQ0GxyhWIaEFjCgcc8cYzJCcRXc5AJIR3lJG/DjQI8xoJWC+W9O0L NvrXvNorZ2QOJ8B/vY36q7KaCoBWJUgIzR5EKSiiNTkt3sPaxgezCKOYxNChdQecsQoM olQ+OTyZ8rhRsYDI0QkW7/pRWZSlbCPItk8b4SrYoIWOAVTov4A6+VPoZmx03zpRioNH lmHWfT/MIaD2bxz7ncGBER5fuiwlGuUqFRif3eyYDDiazpCTlXrV7XpKlN1zsdYBl4Eb niag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=siQwJBaXROUJV32p3kjtwdctFihjBGuh3SOKqpsL7nk=; b=bKC/FvPEchET9o+pcFr0srcHNeXc+ctmTOCuFbYGZl/C7/MGGedgcnHlXSId4LfJrU Pp40LE+Fwh66hnt/qAHn4g/n8oF4Qv/V71weJviu8Xg0YcDJPpuBWWxRg/bkNXWZEoxi ifPw80fc2BsIfgPghSlkK86MQu/MaqneDfsa3WnGtg5BQtEnYeRXhfim/91WQ2xpNrwA hDuE6hnj7V1ADImiyxQx5Zg/XXEJJCWcR+/hfJlAlPXyMSQTJAMQ5CeGZqOwv2512Typ NK6fk6qYihkg6ozy8uh0edrKAJwEHG8wTEMHbsO1lonNedc0Ys2Ahfl6LG1zALmWITpL TRiw== X-Gm-Message-State: ANhLgQ2kHM4K8Sfqp939FzBTOYi7SHJOXyZrMF36b4Ty6Io6xb29DAXZ u7UrNUJotkcgUHl3jMlfjJ3ontKYroBHbydqPRk= X-Google-Smtp-Source: ADFU+vvjxfR0TdbIWub2SP4k5+WJASUEgFQMxh7xz8oXCEVon7NQqJD5CvUdFb3MSFLlrMbeux1NIJJik+p4qio6q4c= X-Received: by 2002:a05:6512:304c:: with SMTP id b12mr6815955lfb.196.1584062182232; Thu, 12 Mar 2020 18:16:22 -0700 (PDT) MIME-Version: 1.0 References: <20200311185345.3874602-1-andriin@fb.com> In-Reply-To: <20200311185345.3874602-1-andriin@fb.com> From: Alexei Starovoitov Date: Thu, 12 Mar 2020 18:16:11 -0700 Message-ID: Subject: Re: [PATCH bpf-next] selftests/bpf: guarantee that useep() calls nanosleep() syscall To: Andrii Nakryiko Cc: bpf , Network Development , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Kernel Team , Julia Kartseva Content-Type: text/plain; charset="UTF-8" Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Wed, Mar 11, 2020 at 11:54 AM Andrii Nakryiko wrote: > > Some implementations of C runtime library won't call nanosleep() syscall from > usleep(). But a bunch of kprobe/tracepoint selftests rely on nanosleep being > called to trigger them. To make this more reliable, "override" usleep > implementation and call nanosleep explicitly. > > Cc: Julia Kartseva > Signed-off-by: Andrii Nakryiko Applied. Thanks