Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp446675pxu; Thu, 26 Nov 2020 02:53:41 -0800 (PST) X-Google-Smtp-Source: ABdhPJwK9nWT5qn41R76DB4C+RqaKkqLH1UnQtQeW9ubzttA83mcMtufcrZQscukwiPTHwrnW46d X-Received: by 2002:a17:906:3153:: with SMTP id e19mr2132255eje.17.1606388020906; Thu, 26 Nov 2020 02:53:40 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1606388020; cv=none; d=google.com; s=arc-20160816; b=SlPQhO2NlvNPHgYxUHf5FZLPhKqSEYKENWjsi2gVLaKQTZAvJBIzKYUWPJVbTtiYqs K0B/bAF5WQt9Fuh9zxBiC5L7yjr+hxMJGMqdSBiM2Wp3FPJe/Tr2vMfS4Fy4Mrig/noH v9U3C9YE5WRPA3VJw8GhNPKxraDGPHkD6MO+GABjZ3q9PihL0UJABxdT9pOFfjKZh+KF 9WyP70AdWTFVjwpdrQFHfflOa0TH7TASPla2u9iaqvsRSPwKoQCNrndpjg7FFqL2eUTe O8otJ648A2hm38gDhuWyCzmEI5zKLCoNmtwR/3NNohPloA/mLs4LWK52jzEvb8Qq5uoE Q4DA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:user-agent:message-id:in-reply-to :date:references:subject:cc:to:from; bh=t9fJMh0+cSbqpLnPjFg6hmXo4DsSviCzDl/tOGQhbSY=; b=pJKYRiV/rGN8iHkb+9It+k2rC7I6toUp53EkT1O5D0qXw3XPyv35+whkOZaMWq3VQk bWP1oDPxrXYUDJ2tEHyOUmLTliFHNhmvvJ8AzVXQ/z9QnAkUL4ogKwvOTSD+Kb4187lV 3T4wrybXnMrmGNGySaJUmwRa9AMfgNGdelF93C8s/wbgyHpsOD85/Bc1cysd23SL5r1k tydUCXpMPZbN15HVlVStm0RcZTNnWC4gl0/DPJWwoXte2q6gZI3y2vJTlv5+JtsplttL rPtyXmAVeY6+L1IwxIlBMvMTACy+7E3wjbIdhhAFxwd0egikcoSb4XWY9uTSHwywukGy pjcQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id cn1si2802180edb.408.2020.11.26.02.53.18; Thu, 26 Nov 2020 02:53:40 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388936AbgKZIWA (ORCPT + 99 others); Thu, 26 Nov 2020 03:22:00 -0500 Received: from mail-out.m-online.net ([212.18.0.9]:41775 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728134AbgKZIV7 (ORCPT ); Thu, 26 Nov 2020 03:21:59 -0500 Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 4ChW2D5ND9z1qs46; Thu, 26 Nov 2020 09:21:56 +0100 (CET) Received: from localhost (dynscan1.mnet-online.de [192.168.6.70]) by mail.m-online.net (Postfix) with ESMTP id 4ChW2D4M5lz1tlRp; Thu, 26 Nov 2020 09:21:56 +0100 (CET) X-Virus-Scanned: amavisd-new at mnet-online.de Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.70]) (amavisd-new, port 10024) with ESMTP id WjLrAFcmc6jg; Thu, 26 Nov 2020 09:21:55 +0100 (CET) X-Auth-Info: BoGFObDpcb77I0k8y7AkhnJm+ThoGpJqUiMP6Wbk9EeoYxTsuvUb71RgxxktGuAW Received: from igel.home (ppp-46-244-163-84.dynamic.mnet-online.de [46.244.163.84]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.mnet-online.de (Postfix) with ESMTPSA; Thu, 26 Nov 2020 09:21:55 +0100 (CET) Received: by igel.home (Postfix, from userid 1000) id 2EA672C3292; Thu, 26 Nov 2020 09:21:55 +0100 (CET) From: Andreas Schwab To: Carlos O'Donell via Libc-alpha Cc: Thomas Gleixner , Zack Weinberg , Cyril Hrubis , Carlos O'Donell , Andrei Vagin , Linux Kernel Mailing List , Dmitry Safonov Subject: Re: [Y2038][time namespaces] Question regarding CLOCK_REALTIME support plans in Linux time namespaces References: <20201030110229.43f0773b@jawa> <20201030135816.GA1790@yuki.lan> <87sg9vn40t.fsf@nanos.tec.linutronix.de> <72bbb207-b041-7710-98ad-b08579fe17e4@redhat.com> <87h7qbmqc3.fsf@nanos.tec.linutronix.de> <7bb5837f-1ff6-2b2c-089e-e2441d31ddb2@redhat.com> <87k0v7kwdc.fsf@nanos.tec.linutronix.de> <7a4d7b14-1f0b-4c40-2bd1-2582d8b71868@redhat.com> <87y2jej8mp.fsf@nanos.tec.linutronix.de> <87wnygopen.fsf@nanos.tec.linutronix.de> <5c382ef4-c505-5629-a85c-abae67c05c7c@redhat.com> <87pn41j7jx.fsf@nanos.tec.linutronix.de> <1d3d00ac-c7a0-7168-0450-8a0e1499ea2b@redhat.com> X-Yow: Did YOU find a DIGITAL WATCH in YOUR box of VELVEETA? Date: Thu, 26 Nov 2020 09:21:55 +0100 In-Reply-To: <1d3d00ac-c7a0-7168-0450-8a0e1499ea2b@redhat.com> (Carlos O'Donell via Libc-alpha's message of "Wed, 25 Nov 2020 22:05:30 -0500") Message-ID: <87mtz41qak.fsf@igel.home> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Nov 25 2020, Carlos O'Donell via Libc-alpha wrote: > We might write a syscall interception framework using seccomp > and SECCOMP_RET_TRACE, but that involves ptrace'ing the process > under test, and is equivalent to a micro-sandbox. I'm not against > that idea for testing; we would test what we ship. seccomp and ptrace does not work with qemu linux-user. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510 2552 DF73 E780 A9DA AEC1 "And now for something completely different."