Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758200AbbLBNSs (ORCPT ); Wed, 2 Dec 2015 08:18:48 -0500 Received: from mail-wm0-f45.google.com ([74.125.82.45]:33508 "EHLO mail-wm0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756555AbbLBNSq (ORCPT ); Wed, 2 Dec 2015 08:18:46 -0500 Subject: Re: [RFC PATCH v2] iommu/amd: gray the 'irq_remap_table' object for kmemleak To: Borislav Petkov References: <5655D072.1000901@profitbricks.com> <565EC9F4.2050401@profitbricks.com> <565ECE54.5080706@profitbricks.com> <565ED81B.3020606@profitbricks.com> <20151202115142.GD18805@8bytes.org> <565EE4AA.4070309@profitbricks.com> <20151202125315.GB3910@pd.tnic> <565EEBC3.5050807@profitbricks.com> <20151202131300.GC3910@pd.tnic> Cc: Joerg Roedel , Catalin Marinas , iommu@lists.linux-foundation.org, Linux Kernel Mailing List From: Michael Wang Message-ID: <565EEFB4.4080108@profitbricks.com> Date: Wed, 2 Dec 2015 14:18:44 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <20151202131300.GC3910@pd.tnic> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1179 Lines: 30 Hi, Borislav On 12/02/2015 02:13 PM, Borislav Petkov wrote: > On Wed, Dec 02, 2015 at 02:01:55PM +0100, Michael Wang wrote: >> Yeah.. it's a little complicated since we have our own kernel tree and this >> won't be a problem for us, but we really prefer to help fix it in mainline >> too, as long as this is really a defect, so others could save time on research >> in future. > > Well, to keep it realistic and if it were me, I wouldn't even take such > a fix as it is apparently kmemleak's problem. Do you mean this could be a real kmemleak? Could you please provide more details? > > So you could fix your testing instead to ignore that error message now > that you know it is a false-positive. That should be easiest. > Yeah, but it would be better to solve it, otherwise whoever saw this report will need to go into the amd-iommu, make sure it's not a real leak, then change their testing script... Regards, Michael Wang -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/