From: Catalin Marinas <catalin.marinas@arm.com>
Date: Wed, 12 Mar 2014 16:07:06 +0000 (+0000)
Subject: arm64: Make DMA coherent and strongly ordered mappings not executable
X-Git-Tag: v3.15-rc1~164^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de2db7432917a82b62d55bb59635586eeca6d1bd;p=pandora-kernel.git

arm64: Make DMA coherent and strongly ordered mappings not executable

pgprot_{dmacoherent,writecombine,noncached} don't need to generate
executable mappings with side-effects like __sync_icache_dcache() being
called when the mapping is in user space.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Bharat Bhushan <Bharat.Bhushan@freescale.com>
Tested-by: Laura Abbott <lauraa@codeaurora.org>
Tested-by: Bharat Bhushan <Bharat.Bhushan@freescale.com>
Cc: <stable@vger.kernel.org>
---

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