From: Eli Cohen <eli@mellanox.co.il>
Date: Tue, 22 Mar 2011 22:38:48 +0000 (+0000)
Subject: mlx4_core: reserve UARs for userspace consumers
X-Git-Tag: v2.6.39-rc1~54^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ace5e0176f165f04537497143506621d33a0139;p=pandora-kernel.git

mlx4_core: reserve UARs for userspace consumers

Do not allow a kernel consumer to allocate a UAR to serve for blue flame if the
number of available UARs gets below MLX4_NUM_RESERVED_UARS (currently 8). This
will allow userspace apps to open a device file and run things like
ibv_devinfo.

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
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