riscv/barrier: Consolidate fence definitions

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Disparate fence implementations are consolidated into fence.h.
Also introduce RISCV_FENCE_ASM to make fence macro more reusable.

Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Tested-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240217131316.3668927-1-ericchancf@google.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

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Eric Chan 2024-02-17 13:13:16 +00:00 • committed by Palmer Dabbelt

parent b3c8064ccc

commit c85688e2b0

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7 changed files with 16 additions and 14 deletions

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1

arch/riscv/include/asm/atomic.h

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arch/riscv/include/asm/barrier.h

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arch/riscv/include/asm/cmpxchg.h

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arch/riscv/include/asm/fence.h

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arch/riscv/include/asm/io.h

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arch/riscv/include/asm/mmio.h

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arch/riscv/include/asm/mmiowb.h

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