From: Joachim Fenkes <fenkes@de.ibm.com>
Date: Tue, 11 Sep 2007 13:34:35 +0000 (+0200)
Subject: IB/ehca: Serialize MR alloc and MR free hvCalls
X-Git-Tag: v2.6.24-rc1~1453^2~61
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b5de96858e516311f2d3ca45073c2afd2eb5d94;p=pandora-kernel.git

IB/ehca: Serialize MR alloc and MR free hvCalls

Some firmware levels exhibit a race condition between H_ALLOC_RESOURCE(MR)
and H_FREE_RESOURCE(MR).  Work around this problem by locking these hvCalls
against each other.

Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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