riscv/barrier: Define __smp_{store_release,load_acquire}

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Introduce __smp_{store_release,load_acquire}, and rely on the generic
definitions for smp_{store_release,load_acquire}. This avoids the use
of full ("rw,rw") fences on SMP.

Signed-off-by: Andrea Parri <parri.andrea@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

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Andrea Parri 2018-02-27 03:24:11 +01:00 • committed by Palmer Dabbelt

parent 0adb32858b

commit 8d235b174a

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arch/riscv/include/asm/barrier.h

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