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path: root/arch/arc/include/asm/bitops.h
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2014-04-18arch,arc: Convert smp_mb__*()Peter Zijlstra
The arc mb() implementation is a compiler barrier(), therefore it all doesn't matter one way or the other. Simply remove the existing definitions and use whatever is generated by the defaults. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Link: http://lkml.kernel.org/n/tip-ua48a59wri3ybz1rz8i7uvbr@git.kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-02-11ARC: Atomic/bitops/cmpxchg/barriersVineet Gupta
This covers the UP / SMP (with no hardware assist for atomic r-m-w) as well as ARC700 LLOCK/SCOND insns based. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>