From: Will Deacon <will.deacon@arm.com>
Date: Mon, 16 Dec 2013 17:50:08 +0000 (+0000)
Subject: arm64: kconfig: select HAVE_EFFICIENT_UNALIGNED_ACCESS
X-Git-Tag: accepted/tizen/common/20141203.182822~643^2~29
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=50afc33a90e710c02d9bbf2f3673936365f0e690;p=platform%2Fkernel%2Flinux-arm64.git

arm64: kconfig: select HAVE_EFFICIENT_UNALIGNED_ACCESS

ARMv8 CPUs can perform efficient unaligned memory accesses in hardware
and this feature is relied up on by code such as the dcache
word-at-a-time name hashing.

This patch selects HAVE_EFFICIENT_UNALIGNED_ACCESS for arm64.

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

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 435c9bc..cb9421b 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -27,6 +27,7 @@ config ARM64
 	select HAVE_DEBUG_KMEMLEAK
 	select HAVE_DMA_API_DEBUG
 	select HAVE_DMA_ATTRS
+	select HAVE_EFFICIENT_UNALIGNED_ACCESS
 	select HAVE_GENERIC_DMA_COHERENT
 	select HAVE_HW_BREAKPOINT if PERF_EVENTS
 	select HAVE_MEMBLOCK