From: Jack Morgenstein <jackm@dev.mellanox.co.il>
Date: Sun, 3 Nov 2013 08:03:25 +0000 (+0200)
Subject: net/mlx4_core: Implement resource quota enforcement
X-Git-Tag: v3.13-rc1~105^2~66^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=146f3ef4a193f2e8cc826bed01a635861287df63;p=pandora-kernel.git

net/mlx4_core: Implement resource quota enforcement

Implements resource quota grant decision when resources are requested,
for the following resources:  QPs, CQs, SRQs, MPTs, MTTs, vlans, MACs,
and Counters.

When granting a resource, the quota system increases the allocated-count
for that slave.

When the slave later frees the resource, its allocated-count is reduced.

A spinlock is used to protect the integrity of each resource's free-pool counter.
(One slave may be in the process of being granted a resource while another
slave has crashed, initiating cleanup of that slave's resource quotas).

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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