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| author | Peter Zijlstra | 2016-05-30 14:32:04 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2016-06-14 11:55:15 +0200 |
| commit | b464d1270a8016edcf1fd20d77cefdecf9b0b73e (patch) | |
| tree | 2648743895f108c3e2aa9157313c8449404b5883 /arch/xtensa | |
| parent | locking/barriers: Move smp_cond_load_acquire() to asm-generic/barrier.h (diff) | |
| download | kernel-qcow2-linux-b464d1270a8016edcf1fd20d77cefdecf9b0b73e.tar.gz kernel-qcow2-linux-b464d1270a8016edcf1fd20d77cefdecf9b0b73e.tar.xz kernel-qcow2-linux-b464d1270a8016edcf1fd20d77cefdecf9b0b73e.zip | |
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>
Diffstat (limited to 'arch/xtensa')
0 files changed, 0 insertions, 0 deletions