Received: by 2002:a05:7412:b101:b0:e2:908c:2ebd with SMTP id az1csp2455706rdb; Wed, 15 Nov 2023 00:51:32 -0800 (PST) X-Google-Smtp-Source: AGHT+IHC9soZTw84f3FFxl4/E4x2RVuR9q4kO6ooHdkmbhb01sqjR/kWY1d3x8+UMlp/PXtDqq0K X-Received: by 2002:a17:902:f68c:b0:1cc:3004:750c with SMTP id l12-20020a170902f68c00b001cc3004750cmr6628144plg.20.1700038292153; Wed, 15 Nov 2023 00:51:32 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1700038292; cv=none; d=google.com; s=arc-20160816; b=WtF5RVQZJv2Vs1flA0qiM3sbw2GLa1FSSuPR+GIJABzMhxWpvT4Oho1rZ3uBrdYJ3c gl9OB2DQf1ZhYqtndyGZepoVmnksIKWwK3UTZeZq6GJ0NT/FruAtBQ/K/qffcPqfxyPJ BQS+BcEGhNA2j5iil72EwjiuMJGqaT/3zMPB6rsTokGSz79MT5UM1Fsvk0eSZXKOvEkP KGZ4ll1azAIPzhTYZS1S/FVBPw/IEx2fXoqN5bZTenpu9IV9cUvu69ostJAKLZl34Kun H00dGKFEmP+8hzcc+i3uUspoFbxj8X2uSPpSPG7LLOlOhQB9BOP6IFMhSBKrZs/65T5p hXcw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=qSmi0veZCxUyGsLIdDPUXJ4vVHzrPiXaYm87kEuEwtw=; fh=HCUoGBwwG2jrUopJs64lvMzDIoNeakY7Mdo2s38DKdg=; b=e7hgC2e5sKQvKo/MlBg8lOuLofhRmxZmFGQSZtsDACbXh4Y78fOzbq1GoXXilsryhi QFuyhsQx5Fvee3cPEgvHEnMPSSTUJwvX326OdXjSe+j6wrDwWDGQRBmrPQobLpDmZ6ph gdEte5phqlt7K919+d5Wyak57Mv2bPRsE++WEuiofL+3ugrBCy0cPYlWbegW/qNvcKAW 036W10+YZJ5c4z16c4ky+fmqjNTDoIW6iPuOgpNGj70NlU+yrowo0EtOXDMFB1UItULf V4IRb7yKvYf97E7Yd+zyRCz8mLJEg5s2YpgWx3aTdnHvp1HSiY75vBJQvCMioKRWOi9j nurw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@infradead.org header.s=desiato.20200630 header.b=H7M1Wp9m; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from lipwig.vger.email (lipwig.vger.email. [2620:137:e000::3:3]) by mx.google.com with ESMTPS id jc11-20020a17090325cb00b001c589ba4a04si9327354plb.24.2023.11.15.00.51.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Nov 2023 00:51:32 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) client-ip=2620:137:e000::3:3; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=desiato.20200630 header.b=H7M1Wp9m; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:3 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id D91DD8028B5E; Wed, 15 Nov 2023 00:51:29 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343499AbjKOIvZ (ORCPT + 99 others); Wed, 15 Nov 2023 03:51:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234675AbjKOIvY (ORCPT ); Wed, 15 Nov 2023 03:51:24 -0500 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 687C210D; Wed, 15 Nov 2023 00:51:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=qSmi0veZCxUyGsLIdDPUXJ4vVHzrPiXaYm87kEuEwtw=; b=H7M1Wp9m2EXKmNVfz1TjHl0Sfm 3sgLP+KLvxQSv8VrApa0Ha95zjbV4jksXoU+aoNTtWHabtjPRj/jAHfxLFyuKeXmQV+Kin7xPSH+e V5P6tPpgx2f80QmPyXXrs3Gr0YhXN/qMlpJJT50c98eC7NyHoAqxAarnnQ6xF+fD5SY/ROM4SJtQ5 71iC7sMV7x2bo+JpGW5+2g17CsCK0SAN4OZ5P0K/6k0zSlNgDh2zwXvrTz8FeJ0R1yZRdtvSrh7QA +VcXPdzfkJR5o9AOC3bm2vgVygwJByx6x1OEYX7sQ+5K5Tv4tjnDXLYGxGJ9NMk6YK799S/emBPrn UswzkVuA==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1r3Bbz-003rZz-1O; Wed, 15 Nov 2023 08:51:03 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 1C7903002BE; Wed, 15 Nov 2023 09:51:03 +0100 (CET) Date: Wed, 15 Nov 2023 09:51:02 +0100 From: Peter Zijlstra To: "Edgecombe, Rick P" Cc: "fweimer@redhat.com" , "xry111@xry111.site" , "andrealmeid@igalia.com" , "linux-api@vger.kernel.org" , "linux-mm@kvack.org" , "libc-alpha@sourceware.org" , "linux-kernel@vger.kernel.org" , "tglx@linutronix.de" , "linux-arch@vger.kernel.org" Subject: Re: Several tst-robust* tests time out with recent Linux kernel Message-ID: <20231115085102.GY3818@noisy.programming.kicks-ass.net> References: <4bda9f2e06512e375e045f9e72edb205104af19c.camel@xry111.site> <20231114153100.GY8262@noisy.programming.kicks-ass.net> <20231114154017.GI4779@noisy.programming.kicks-ass.net> <87ttpowajb.fsf@oldenburg.str.redhat.com> <20231114201402.GA25315@noisy.programming.kicks-ass.net> <822f3a867e5661ce61cea075a00ce04a4e4733f3.camel@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <822f3a867e5661ce61cea075a00ce04a4e4733f3.camel@intel.com> X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Wed, 15 Nov 2023 00:51:30 -0800 (PST) On Wed, Nov 15, 2023 at 01:11:20AM +0000, Edgecombe, Rick P wrote: > On Tue, 2023-11-14 at 21:14 +0100, Peter Zijlstra wrote: > > Urgh, thanks! > > > > Confirmed, the below cures things. Although I should probably make > > that > > FLAGS_SIZE_32 | FLAGS_SHARED against Linus' tree. > > > > Let me go do a proper patch. > > I saw these fail on the glibc shadow stack branch today, and I also saw > this one failing: > FAIL: nptl/tst-robustpi8 tip/locking/urgent (branch with the fix on) gets me: root@ivb-ep:/usr/local/src/glibc# ./build/nptl/tst-robustpi8 running child verifying locks running child verifying locks running child verifying locks running child verifying locks running child verifying locks root@ivb-ep:/usr/local/src/glibc# Which, to my untrained eye, looks like a pass to me.