From: Will Deacon <will.deacon@arm.com>
Date: Wed, 5 Feb 2014 23:35:47 +0000 (+0000)
Subject: iommu/arm-smmu: provide option to dsb macro when publishing tables
X-Git-Tag: v3.15-rc1~70^2^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3aa80ea4c90d46ffbe200d05b9ceb997001b36df;p=pandora-kernel.git

iommu/arm-smmu: provide option to dsb macro when publishing tables

On coherent systems, publishing new page tables to the SMMU walker is
achieved with a dsb instruction. In fact, this can be a dsb(ishst) which
also provides the mandatory barrier option for arm64.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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