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[V3,1/5] riscv: atomic: Cleanup unnecessary definition

Message ID 20220420144417.2453958-2-guoren@kernel.org (mailing list archive)
State New, archived
Headers show
Series riscv: atomic: Optimize AMO instructions usage | expand

Commit Message

Guo Ren April 20, 2022, 2:44 p.m. UTC 
From: Guo Ren <guoren@linux.alibaba.com>

The cmpxchg32 & cmpxchg32_local have been never used in linux, so
remove them from cmpxchg.h.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dan Lustig <dlustig@nvidia.com>
Cc: Andrea Parri <parri.andrea@gmail.com>
---
 arch/riscv/include/asm/cmpxchg.h | 12 ------------
 1 file changed, 12 deletions(-)
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Patch

diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h
index 36dc962f6343..12debce235e5 100644
--- a/arch/riscv/include/asm/cmpxchg.h
+++ b/arch/riscv/include/asm/cmpxchg.h
@@ -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);				\