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| author | Will Deacon <will.deacon@arm.com> | 2013-12-16 17:50:08 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-12-19 17:43:09 +0000 |
| commit | 50afc33a90e710c02d9bbf2f3673936365f0e690 (patch) | |
| tree | b5d3321c58bcbb5314dfeedc382a8c95d40af4ff /arch/arm64 | |
| parent | 7bc13fd33adb9536bd73965cd46bbf7377df097c (diff) | |
| download | linux-50afc33a90e710c02d9bbf2f3673936365f0e690.tar.bz2 | |
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>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 435c9bc1c86c..cb9421b540c8 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 |