4 Commits

Author	SHA1	Message	Date
Vineet Gupta	de60c1a184	ARC: fold __builtin_constant_p() into test_bit() ... This makes test_bit() more like its siblings *_bit() routines. Also add some comments about the constant @nr micro-optimization Signed-off-by: Vineet Gupta <vgupta@synopsys.com>	2015-04-13 15:14:57 +05:30
Vineet Gupta	be64c997d9	ARC: remove extraneous __KERNEL__ guards ... Verified by doing make headers_install as none of these files are exported to userspace	2014-10-13 14:46:20 +05:30
Peter Zijlstra	d594ffa94b	arch,arc: Convert smp_mb__*() ... 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>	2014-04-18 11:40:31 +02:00
Vineet Gupta	14e968bad7	ARC: Atomic/bitops/cmpxchg/barriers ... 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>	2013-02-11 20:00:30 +05:30