From: Robert Jennings <rcj@linux.vnet.ibm.com>
Date: Wed, 23 Jul 2008 18:35:27 +0000 (+1000)
Subject: ibmvscsi: driver enablement for CMO
X-Git-Tag: v2.6.27-rc1~222^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7912a0ac5907df1f8b214b3ca15ccf96129daae0;p=pandora-kernel.git

ibmvscsi: driver enablement for CMO

Enable the driver to function in a Cooperative Memory Overcommitment (CMO)
environment.

The following changes are made to enable the driver for CMO:
 * DMA mapping errors will not result in error messages if entitlement has
   been exceeded and resources were not available.
 * The driver has a get_desired_dma function defined to function
   in a CMO environment. It will indicate how much IO memory it would like
   to function.

Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Acked by: Brian King <brking@linux.vnet.ibm.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

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