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authorCatalin Marinas <catalin.marinas@arm.com>2014-03-12 16:28:09 +0000
committerMark Brown <broonie@linaro.org>2014-05-14 12:18:59 +0100
commit5aab0869c941fc278fa72ff1d05bbbbb70f7d7c0 (patch)
treef82eda1eacee4582d1837d34012a486e3ce39e8f /arch/sh
parent226b19b9d3d9d3f231ac889fb96b6ff98febf6a6 (diff)
downloadlinux-linaro-stable-5aab0869c941fc278fa72ff1d05bbbbb70f7d7c0.tar.gz
arm64: Do not synchronise I and D caches for special ptes
commit 71fdb6bf61bf0692f004f9daf5650392c0cfe300 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit b1f2bfc9d8bb42b4e5a93470e8a0974cd4c04697) Signed-off-by: Mark Brown <broonie@linaro.org>
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