From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qc0-f174.google.com ([209.85.216.174]:61528 "EHLO mail-qc0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752060Ab3KTPna (ORCPT ); Wed, 20 Nov 2013 10:43:30 -0500 Date: Wed, 20 Nov 2013 10:43:26 -0500 From: Tejun Heo To: Alexander Gordeev Cc: linux-kernel@vger.kernel.org, Bjorn Helgaas , Michael Ellerman , Benjamin Herrenschmidt , Ben Hutchings , David Laight , Mark Lord , "H. Peter Anvin" , linux-pci@vger.kernel.org Subject: Re: [PATCH RFC v2 04/29] PCI/MSI/pSeries: Make quota traversing and requesting race-safe Message-ID: <20131120154326.GD28946@htj.dyndns.org> References: <663c95d5c7c6863f248886add511dab83f15dd18.1382103786.git.agordeev@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <663c95d5c7c6863f248886add511dab83f15dd18.1382103786.git.agordeev@redhat.com> Sender: linux-pci-owner@vger.kernel.org List-ID: Hello, Sorry about the long delay. Was traveling quite a bit. On Fri, Oct 18, 2013 at 07:12:04PM +0200, Alexander Gordeev wrote: > Signed-off-by: Alexander Gordeev Please explain what the race condition in detail and how it gets fixed by the patch. This isn't a trivial change and non-trivial changes especially stuff like race condition fixes definitely require detailed explanation. Thanks. -- tejun