As of today we enable unaligned access unconditionally on ARCv2. Lets move it under Kconfig option and use it actively in SW if it is enabled.
While I'm at it fix and optimise ARCv2 memcpy implementaion. Eugeniy Paltsev (5): ARCv2: lib: memcpy: fix doing prefetchw outside of buffer ARCv2: introduce unaligned access under a Kconfig option ARCv2: Enable unaligned access in early ASM code ARCv2: use unaligned access in SW ARCv2: LIB: MEMCPY: fixed and optimised routine arch/arc/Kconfig | 13 ++++++++++ arch/arc/Makefile | 6 +++++ arch/arc/include/asm/irqflags-arcv2.h | 4 +++ arch/arc/kernel/head.S | 14 +++++++++++ arch/arc/kernel/intc-arcv2.c | 2 +- arch/arc/lib/Makefile | 5 +++- arch/arc/lib/memcpy-archs-unaligned.S | 46 +++++++++++++++++++++++++++++++++++ arch/arc/lib/memcpy-archs.S | 14 ----------- 8 files changed, 88 insertions(+), 16 deletions(-) create mode 100644 arch/arc/lib/memcpy-archs-unaligned.S -- 2.14.5 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc
