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Date: Wed, 30 Jul 2014 10:56:23 +0300 From: Amir Vadai <amirv@...lanox.com> To: Benjamin Poirier <benjamin.poirier@...il.com> CC: Jean Delvare <jdelvare@...e.de>, Or Gerlitz <ogerlitz@...lanox.com>, "Jack Morgenstein" <jackm@....mellanox.co.il>, "David S. Miller" <davem@...emloft.net>, netdev <netdev@...r.kernel.org> Subject: Re: Manual loading of mlx4_en On 7/30/2014 5:14 AM, Benjamin Poirier wrote: > On 2014/07/29 16:42, Amir Vadai wrote: >> On 7/29/2014 3:06 PM, Jean Delvare wrote: >>> Le Tuesday 29 July 2014 à 13:44 +0300, Amir Vadai a écrit : >>>> On 7/29/2014 1:34 PM, Jean Delvare wrote: >>>>> Many thanks for the fast and detailed answer! I'll go backport this >>>>> commit to kernel 3.12 (and 3.0, hopefully it doesn't have too many >>>>> dependencies?) >>>> >>>> I don't think there is any dependency for that commit. If you're >>>> backporting it, also take a small fix to it: >>>> f24f790 net/mlx4_core: Load the Eth driver first >>> >>> Thanks for the hint. I suppose I should pick 7855bff4 "net/mlx4_core: >>> Load the IB driver when the device supports IBoE" as well? >>> >> Right - missed it. > > Thanks for the pointers. > Looking at f24f790f, I'm wondering if request_module(EN_DRV_NAME) ought > to be used instead of _nowait to guarantee the desired effect. Suppose > for example that the process is migrated to a different cpu between the > two request_module calls, the second one could complete before the first > one no? > The issue was addressed after the commit above, through these two commits in a proper and robust way: 9433c18 IB/mlx4: Invoke UPDATE_QP for proxy QP1 on MAC changes ce8d9e0 net/mlx4_core: Add UPDATE_QP SRIOV wrapper support Thanks, Amir -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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