Received: by 10.192.165.148 with SMTP id m20csp586709imm; Wed, 2 May 2018 05:42:05 -0700 (PDT) X-Google-Smtp-Source: AB8JxZoB+mVIsgAnFUxf2O3cuLbd1MjFIzKK4fp/kXwXyUf1s0a9mhSYEpSOPkX51dal5obyAHiG X-Received: by 2002:a65:5a07:: with SMTP id y7-v6mr15971873pgs.15.1525264925826; Wed, 02 May 2018 05:42:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525264925; cv=none; d=google.com; s=arc-20160816; b=NZTaGSTKPpvU9j7HBiFSNm8uRlMZLJdML2ZihzBjRLrLsQ5ORsy870RK4i/nRuf6ok jfOjdYbfOCetx79O9wHBe40qRMk97HMf7EiM9H6mUM6M5mxZR0ILA4PDwrURCol/Iopr /K4/j5WV26FDhTlIGRxjj3mGlzVzVA64FF3dRmNu4J2tRQnMVDaWCmo6/S2sij7/FJtk 4yJGHgVu3tm1HouxeoGL6n/ERmSDelthB2fq5Ir0zpEIWZlb8GAV/gBdRS1cyZTr6mY3 GbOVduB5N5eUpp+X3Qey+x+Gezf0Pj12e5CuIchyTZr2cm6GI/qioTBcHDpO1RnvSXT9 zt4Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=V3kJgDhRKsJe/Tko9sjrNk8DasoebvOK5XRzablToH4=; b=CrQ9p3MfoYt7ppZ1JHlw5YP2rsVZO/qhhMAo188J1FP+pfnYmRd/IyQNzi6b0mI0OU NzuvdZqzcZJYYYd7cvER+jAXp7LqR1pLobnTk8VU3Ormu577YJd0L/ZrQle4NeBgW1iV DB3KGikSItaom15GHqjcB+z+e/odZMGaLwp1gdH0o4bbxLQiNKdjo3NiDoURQxmRoo2n dWpWfyk+UOxNdKNk5r2jQpanFl8KQhWnF9yXdaNdb5uyy47Vx6D+KdAJERoibmFTr9rs 0htAktnLpqk+Z3OFJ3hdHQC3sF7/M64xK4ZHzYrOei7tTBDIgrjrqWYmDGWLpdcqYWzI WbOQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id t66-v6si9442276pgb.178.2018.05.02.05.41.49; Wed, 02 May 2018 05:42:05 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751393AbeEBMla (ORCPT + 99 others); Wed, 2 May 2018 08:41:30 -0400 Received: from verein.lst.de ([213.95.11.211]:39019 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751100AbeEBMl3 (ORCPT ); Wed, 2 May 2018 08:41:29 -0400 Received: by newverein.lst.de (Postfix, from userid 2407) id 0A42C68D42; Wed, 2 May 2018 14:44:03 +0200 (CEST) Date: Wed, 2 May 2018 14:44:02 +0200 From: Christoph Hellwig To: Chris Wilson Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, Christian =?iso-8859-1?Q?K=F6nig?= , Mike Galbraith , Konrad Rzeszutek Wilk , Christoph Hellwig Subject: Re: [PATCH] swiotlb: Suppress "Out of SW-IOMMU" errors for NO_WARN Message-ID: <20180502124402.GC22857@lst.de> References: <20180502100501.28440-1-chris@chris-wilson.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180502100501.28440-1-chris@chris-wilson.co.uk> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 02, 2018 at 11:05:01AM +0100, Chris Wilson wrote: > This extends the warning suppression from commit d0bc0c2a31c9 ("swiotlb: > suppress warning when __GFP_NOWARN is set") to suppress the warnings > when DMA_ATTR_NO_WARN is given by caller. In such cases the caller wants > to handle the error themselves. I have patches that remove swiotlb_full entirely to be posted soon. I'll defer the patch for now.