From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ale.deltatee.com (ale.deltatee.com. [207.54.116.67]) by gmr-mx.google.com with ESMTPS id 125si119940itx.5.2017.06.29.13.17.18 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 29 Jun 2017 13:17:18 -0700 (PDT) References: <20170629032648.3073-1-logang@deltatee.com> <20170629032648.3073-7-logang@deltatee.com> <000301d2f103$3310ca60$99325f20$@dell.com> <079047c1-6612-2814-e147-844fabd56b75@deltatee.com> <000401d2f114$3499f2b0$9dcdd810$@dell.com> From: Logan Gunthorpe Message-ID: <63c4b0fa-2f03-6313-2d60-c6dab53bc3a5@deltatee.com> Date: Thu, 29 Jun 2017 14:17:02 -0600 MIME-Version: 1.0 In-Reply-To: <000401d2f114$3499f2b0$9dcdd810$@dell.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [PATCH 06/16] ntb: add check and comment for link up to mw_count and mw_get_align To: Allen Hubbe , linux-ntb@googlegroups.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Cc: 'Jon Mason' , 'Dave Jiang' , 'Bjorn Helgaas' , 'Greg Kroah-Hartman' , 'Kurt Schwemmer' , 'Stephen Bates' , 'Serge Semin' List-ID: On 6/29/2017 2:13 PM, Allen Hubbe wrote: > Unfortunately, it is to work around hardware errata. That is not so trivial to fix. Can you describe more what the work around is doing? Can you share the code? It seems odd that a workaround is based on the alignment restrictions of the mws. Logan