From: Catalin Marinas <catalin.marinas@arm.com>
Date: Wed, 12 Mar 2014 16:28:09 +0000 (+0000)
Subject: arm64: Do not synchronise I and D caches for special ptes
X-Git-Tag: v3.15-rc1~164^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71fdb6bf61bf0692f004f9daf5650392c0cfe300;p=pandora-kernel.git

arm64: Do not synchronise I and D caches for special ptes

Special pte mappings are not intended to be executable and do not even
have an associated struct page. This patch ensures that we do not call
__sync_icache_dcache() on such ptes.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Steve Capper <Steve.Capper@arm.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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