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2014-08-14locking,arch,hexagon: Fold atomic_opsPeter Zijlstra1-30/+36
OK, no LoC saved in this case because the !return variants were defined in terms of the return ops. Still do it because this also prepares for easy addition of new ops. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Richard Kuo <rkuo@codeaurora.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: linux-hexagon@vger.kernel.org Link: http://lkml.kernel.org/r/20140508135852.171567636@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-04-18arch,hexagon: Convert smp_mb__*()Peter Zijlstra1-5/+1
Hexagon uses asm-gemeric/barrier.h and its smp_mb() is barrier(). Therefore we can use the default implementation that uses smp_mb(). 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-87irqrrbgizeojjfdqhypud3@git.kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Richard Kuo <rkuo@codeaurora.org> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: linux-hexagon@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-04-04Hexagon: fix atomic_setRichard Kuo1-1/+14
Normal writes in our our architecture don't invalidate lock reservations. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2014-01-12arch: Move smp_mb__{before,after}_atomic_{inc,dec}.h into asm/atomic.hPeter Zijlstra1-1/+5
Move the barriers functions that depend on the atomic implementation into the atomic implementation. Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Acked-by: Vineet Gupta <vgupta@synopsys.com> [for arch/arc bits] Cc: Peter Zijlstra <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Link: http://lkml.kernel.org/r/20131213150640.786183683@infradead.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2013-04-30Hexagon: update copyright datesRichard Kuo1-1/+1
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2013-04-30Hexagon: fix __atomic_add_unlessRichard Kuo1-9/+11
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2012-10-18Hexagon: Copyright marking changesRichard Kuo1-1/+1
Code Aurora Forum (CAF) is becoming a part of Linux Foundation Labs. Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
2012-03-28Disintegrate asm/system.h for HexagonDavid Howells1-0/+1
Disintegrate asm/system.h for Hexagon. Not compiled. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Richard Kuo <rkuo@codeaurora.org> cc: linux-hexagon@vger.kernel.org
2011-11-01Hexagon: Add atomic ops supportRichard Kuo1-0/+164
Signed-off-by: Richard Kuo <rkuo@codeaurora.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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