From: David Woodhouse <David.Woodhouse@intel.com>
Date: Sat, 28 May 2011 23:27:01 +0000 (+0100)
Subject: intel-iommu: Fix hardware_largepage_caps()
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dabbea96f96de7f334277171b98cfc49607ea4b4;p=pandora-kernel.git

intel-iommu: Fix hardware_largepage_caps()

 - Don't use domain_get_iommu(). It'll BUG() when used on a VM domain.
 - Do actually check the iov_pfn to see whether it's suitably aligned.
 - "Simplify" the algorithm to give the compiler a chance to optimise.
   (Yes, this version is probably harder to understand. But that's what
    comments in the code are for.)
 - Inline it (it was previously not even static).

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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