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authorPeter Zijlstra <peterz@infradead.org>2016-05-30 14:32:04 +0200
committerIngo Molnar <mingo@kernel.org>2016-06-14 11:55:15 +0200
commitb464d1270a8016edcf1fd20d77cefdecf9b0b73e (patch)
tree2648743895f108c3e2aa9157313c8449404b5883 /arch/m32r/include/asm/spinlock.h
parentlocking/barriers: Move smp_cond_load_acquire() to asm-generic/barrier.h (diff)
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locking/barriers, tile: Provide TILE specific smp_acquire__after_ctrl_dep()
Since TILE doesn't do read speculation, its control dependencies also guarantee LOAD->LOAD order and we don't need the additional RMB otherwise required to provide ACQUIRE semantics. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Chris Metcalf <cmetcalf@mellanox.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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