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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham 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 41A4EC282DA for ; Fri, 19 Apr 2019 07:06:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0B92A217FA for ; Fri, 19 Apr 2019 07:05:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0B92A217FA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id CE97D6B000D; Fri, 19 Apr 2019 03:05:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id C990C6B000E; Fri, 19 Apr 2019 03:05:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B87BF6B0010; Fri, 19 Apr 2019 03:05:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by kanga.kvack.org (Postfix) with ESMTP id 6D98B6B000D for ; Fri, 19 Apr 2019 03:05:58 -0400 (EDT) Received: by mail-wr1-f72.google.com with SMTP id t9so4130899wrs.16 for ; Fri, 19 Apr 2019 00:05:58 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-original-authentication-results:x-gm-message-state:date:from:to :cc:subject:message-id:references:mime-version:content-disposition :in-reply-to:user-agent; bh=G0ktsxmIuC50UpiTSioacc22vKjUWwFoQiG6XDQKEXM=; b=jf6PFXk4y9zWMBHj1Js98pxd8PXnAJiih3WmAwF+vWHmH9UdBYt6IObYoB7dNi8ir/ Tgh+C3U38jmqzR378zWES6ZYPwQiIAbyHbicLbRZVk/eVqXp0a1W0++Wm7BJuCMSwwPD iET5fCYDO/cUNS5st9DWaHXYrvCxqoDM9utCDafB5WO1Z1pBTwS47Vd8uM/9aiS2auU4 f4QEHhg650zgTHZj/DXsdJonnRmON9XPUlJIM0Qkr+W2tIaOrcrBhOW760g0pT7b6YjO D/krhAuV13U/dXhQzxrfDx24heQVuh8eZdAfcytSNZ8hNwgA+Espk7c9LPjnOHkmvTzy nb7Q== X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de X-Gm-Message-State: APjAAAXcixd7PJxfcRnX9Tizz2KfVsgCvAzko0qKTleWZ0ToROODsKeK RTrWzeN9HCrmhIxifjam6Lg5zNPhZ27tKy1R/CICFiITpb+fwToZxFtkyLnUarE/l69upAJNde0 mgPW+FLavNhA3FmwLrIR5ppK+LMQWCKCm91REznv+N/EUa1N8DCzjqRJtMg+OP6QoiQ== X-Received: by 2002:a1c:be0e:: with SMTP id o14mr1596186wmf.118.1555657557960; Fri, 19 Apr 2019 00:05:57 -0700 (PDT) X-Google-Smtp-Source: APXvYqx3ZqOpS/Vez/AUZrzmLNijU8FGXOZEpC+kGpLCmSoOByNqcuUrrNlxGpSzmUVMPSTz2/Nq X-Received: by 2002:a1c:be0e:: with SMTP id o14mr1596140wmf.118.1555657557151; Fri, 19 Apr 2019 00:05:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555657557; cv=none; d=google.com; s=arc-20160816; b=aSeXvaCAP2474P7sDYoJwQQLO/9A8NYK8t0GayFMOwEh2Hrk6lhOsXsB6KqWciKB5G v7pcht99EptkE0fNKE6QcHbVJCzm2t1PbIIujXAA5szdzoxe0Jx5Wld0O0n+4CSh9sux kYFgihPd/RJcGQh2kA0WMirJAoXc5qtJkIjmTJlMCFS/dBz/YsG+UmKNG1VEWC0nCKib QqPhbT0//EfRXDhnHruSmi4xtRkwFFCJtXOEhQupCW4slZDQzSesQiK0WX2EmMIGe6ge qPT6DaiZA+b4151CCFtlWrsSF5rpdVpIw2SxhLLj4F+wKz52PUGW65me1TkYfvfYtXDL gWXw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=user-agent:in-reply-to:content-disposition:mime-version:references :message-id:subject:cc:to:from:date; bh=G0ktsxmIuC50UpiTSioacc22vKjUWwFoQiG6XDQKEXM=; b=vw+EnZI4v17nkpOWtawDpquir0iJO2BLdLGnAhJeMOvdS75mmSlEfQxR50Re+mKMNw OZb4QNnBZHrTecuhTkWJ6n2hxAOt2mSx1JoshhR1NSmoVxNVbtiRjmJbIN6g4S4Y9bwr uWOiCcuDyRHbckkO32r+OvFx2kEMz+d1vlAl1vIO0ODg93GL3TVWI3inkSDfPZI/kCC+ cHKMRf0uJ0QXhJ40HlS4FmopC+otJuQiGpjfBNgMkXWIWedXMvcwJ5sHG8ZT7mLSneoR r20sFZiLzNfBdpTyQOXiEymrrxbdeq8U2uk//EB6hpxPoVbYzl5+CJLa4DVbI0314G+P tsRg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de Received: from newverein.lst.de (verein.lst.de. [213.95.11.211]) by mx.google.com with ESMTPS id c16si3279712wro.273.2019.04.19.00.05.57 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 19 Apr 2019 00:05:57 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) client-ip=213.95.11.211; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de Received: by newverein.lst.de (Postfix, from userid 2407) id 90FD068B05; Fri, 19 Apr 2019 09:05:42 +0200 (CEST) Date: Fri, 19 Apr 2019 09:05:42 +0200 From: Christoph Hellwig To: Thomas Gleixner Cc: LKML , Josh Poimboeuf , x86@kernel.org, Andy Lutomirski , Steven Rostedt , Alexander Potapenko , iommu@lists.linux-foundation.org, Robin Murphy , Christoph Hellwig , Marek Szyprowski , Alexey Dobriyan , Andrew Morton , Pekka Enberg , linux-mm@kvack.org, David Rientjes , Christoph Lameter , Catalin Marinas , Dmitry Vyukov , Andrey Ryabinin , kasan-dev@googlegroups.com, Mike Rapoport , Akinobu Mita , Johannes Thumshirn , David Sterba , Chris Mason , Josef Bacik , linux-btrfs@vger.kernel.org, dm-devel@redhat.com, Mike Snitzer , Alasdair Kergon , intel-gfx@lists.freedesktop.org, Joonas Lahtinen , Maarten Lankhorst , dri-devel@lists.freedesktop.org, David Airlie , Jani Nikula , Daniel Vetter , Rodrigo Vivi , linux-arch@vger.kernel.org Subject: Re: [patch V2 12/29] dma/debug: Simplify stracktrace retrieval Message-ID: <20190419070542.GA21317@lst.de> References: <20190418084119.056416939@linutronix.de> <20190418084254.180116966@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190418084254.180116966@linutronix.de> User-Agent: Mutt/1.5.17 (2007-11-01) 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: Please fix up the > 80 char line. Otherwise: Reviewed-by: Christoph Hellwig