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authorCatalin Marinas <catalin.marinas@arm.com>2014-03-12 16:07:06 +0000
committerCatalin Marinas <catalin.marinas@arm.com>2014-03-13 11:22:21 +0000
commitde2db7432917a82b62d55bb59635586eeca6d1bd (patch)
treec6b64c335eec30b34bfa9d72c7c8ba9afe8418d1 /arch/parisc
parentd152d22a18c240286c19997a6249ee76ea055926 (diff)
downloadlinux-de2db7432917a82b62d55bb59635586eeca6d1bd.tar.bz2
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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