netdev - Manual loading of mlx4

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Message-ID: <1406627612.4498.16.camel@chaos.site>
Date:	Tue, 29 Jul 2014 11:53:32 +0200
From:	Jean Delvare <jdelvare@...e.de>
To:	Or Gerlitz <ogerlitz@...lanox.com>,
	Amir Vadai <amirv@...lanox.com>,
	Jack Morgenstein <jackm@....mellanox.co.il>
Cc:	"David S. Miller" <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>
Subject: Manual loading of mlx4_en

Hi all,

I have a usability concern with the mlx4_en ethernet network driver. The
module aliases for all the supported devices are on the mlx4_core
module, so mlx4_core gets loaded automatically, but mlx4_en does not. I
must load mlx4_en manually (kernel 3.12.)

May I ask why the mlx4 driver was split into mlx4_core and mlx4_en in
the first place?

I have worked around the problem with the following modprobe directive:

install mlx4_core /sbin/modprobe --ignore-install mlx4_core && /sbin/modprobe mlx4_en

But this is kind of a hack and I would expect the right driver to load
automatically without magic.

Shouldn't the module aliases be attached to mlx4_en instead of
mlx4_core?

Thanks,
-- 
Jean Delvare
SUSE L3 Support

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