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riscv: atomic: Cleanup unnecessary definition

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The cmpxchg32 & cmpxchg32_local are not used in Linux anymore. So
clean up asm/cmpxchg.h.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20220505035526.2974382-2-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Guo Ren 2022-05-05 11:55:22 +08:00 committed by Palmer Dabbelt
parent 19bc59bbed
commit dd8437cd42
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1 changed files with 0 additions and 12 deletions
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12
arch/riscv/include/asm/cmpxchg.h
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@ -348,18 +348,6 @@
#define arch_cmpxchg_local(ptr, o, n) \
(__cmpxchg_relaxed((ptr), (o), (n), sizeof(*(ptr))))
#define cmpxchg32(ptr, o, n) \
({ \
BUILD_BUG_ON(sizeof(*(ptr)) != 4); \
arch_cmpxchg((ptr), (o), (n)); \
})
#define cmpxchg32_local(ptr, o, n) \
({ \
BUILD_BUG_ON(sizeof(*(ptr)) != 4); \
arch_cmpxchg_relaxed((ptr), (o), (n)) \
})
#define arch_cmpxchg64(ptr, o, n) \
({ \
BUILD_BUG_ON(sizeof(*(ptr)) != 8); \