From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net 1/1] net/mlx4_core: Enable 4K UAR if SRIOV module parameter is not enabled Date: Fri, 18 Aug 2017 16:16:07 -0700 (PDT) Message-ID: <20170818.161607.1630814326634748163.davem@davemloft.net> References: <20170817152952.21592-1-saeedm@mellanox.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, kamalh@mellanox.com, huyn@mellanox.com To: saeedm@mellanox.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:34726 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751107AbdHRXQI (ORCPT ); Fri, 18 Aug 2017 19:16:08 -0400 In-Reply-To: <20170817152952.21592-1-saeedm@mellanox.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Saeed Mahameed Date: Thu, 17 Aug 2017 18:29:52 +0300 > From: Huy Nguyen > > enable_4k_uar module parameter was added in patch cited below to > address the backward compatibility issue in SRIOV when the VM has > system's PAGE_SIZE uar implementation and the Hypervisor has 4k uar > implementation. > > The above compatibility issue does not exist in the non SRIOV case. > In this patch, we always enable 4k uar implementation if SRIOV > is not enabled on mlx4's supported cards. > > Fixes: 76e39ccf9c36 ("net/mlx4_core: Fix backward compatibility on VFs") > Signed-off-by: Huy Nguyen > Reviewed-by: Daniel Jurgens > Signed-off-by: Saeed Mahameed Applied and queued up for -stable, thanks.