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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 D3599C432C0 for ; Sun, 1 Dec 2019 09:09:49 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 414C92146E for ; Sun, 1 Dec 2019 09:09:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="ZfhDKYn5" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 414C92146E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=alien8.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id BE1D56B0269; Sun, 1 Dec 2019 04:09:48 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id B939C6B026B; Sun, 1 Dec 2019 04:09:48 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AA90F6B026C; Sun, 1 Dec 2019 04:09:48 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0060.hostedemail.com [216.40.44.60]) by kanga.kvack.org (Postfix) with ESMTP id 94D3C6B0269 for ; Sun, 1 Dec 2019 04:09:48 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with SMTP id 55329180AD817 for ; Sun, 1 Dec 2019 09:09:48 +0000 (UTC) X-FDA: 76216000056.10.lead47_38648da83c426 X-HE-Tag: lead47_38648da83c426 X-Filterd-Recvd-Size: 3019 Received: from mail.skyhub.de (mail.skyhub.de [5.9.137.197]) by imf21.hostedemail.com (Postfix) with ESMTP for ; Sun, 1 Dec 2019 09:09:47 +0000 (UTC) Received: from zn.tnic (p2E584D4D.dip0.t-ipconnect.de [46.88.77.77]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 280A61EC03F6; Sun, 1 Dec 2019 10:09:45 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1575191385; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=vsVhUJBlfEfj4LH6UJ1q83DYzPcI0BWvWo2KNAYcBjk=; b=ZfhDKYn52nVTSVllOJ+uZkQrK9XHUwh5UZL9TMtT1ur1b474GKL+lC5Mr/sut0yFYKjOyw fI15vFxLBRH3rZMH7RCAu+Csw6G9oK2dsqDgOUxtTSpTckoAdctZ3DIfWkamXHIfIObYAp t27j9r6afkH97OEW8bg60vZ/qAuHDas= Date: Sun, 1 Dec 2019 10:07:24 +0100 From: Borislav Petkov To: akpm@linux-foundation.org Cc: alex@ghiti.fr, aou@eecs.berkeley.edu, ard.biesheuvel@linaro.org, arnd@arndb.de, aryabinin@virtuozzo.com, benh@kernel.crashing.org, borntraeger@de.ibm.com, cai@lca.pw, catalin.marinas@arm.com, dave.hansen@linux.intel.com, dave.jiang@intel.com, davem@davemloft.net, dvyukov@google.com, glider@google.com, gor@linux.ibm.com, heiko.carstens@de.ibm.com, hpa@zytor.com, james.morse@arm.com, jhogan@kernel.org, kan.liang@linux.intel.com, linux-mm@kvack.org, linux@armlinux.org.uk, luto@kernel.org, mark.rutland@arm.com, mawilcox@microsoft.com, mingo@elte.hu, mm-commits@vger.kernel.org, mpe@ellerman.id.au, n-horiguchi@ah.jp.nec.com, palmer@sifive.com, paul.burton@mips.com, paul.walmsley@sifive.com, paulus@samba.org, peterz@infradead.org, ralf@linux-mips.org, shashim@codeaurora.org, steven.price@arm.com, tglx@linutronix.de, torvalds@linux-foundation.org, vgupta@synopsys.com, will@kernel.org, zong.li@sifive.com Subject: Re: [patch 064/158] mm: add generic ptdump Message-ID: <20191201090724.GA6629@zn.tnic> References: <20191201015304.cRPsmKUTM%akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20191201015304.cRPsmKUTM%akpm@linux-foundation.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, Nov 30, 2019 at 05:53:04PM -0800, akpm@linux-foundation.org wrote: > From: Steven Price > Subject: mm: add generic ptdump > > Add a generic version of page table dumping that architectures can opt-in > to That generic ptdump stuff is probably causing a splat on 32-bit: https://lkml.kernel.org/r/20191125144946.GA6628@duo.ucw.cz .config is attached in that thread too and triggers pretty reliably in a vm but I haven't poked at it further. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette