[PATCH v4 1/4] riscv: cmpxchg.h: Cleanup unused code

guoren
2021-03-27T18:07:48Z

From: Guo Ren <guoren@linux.alibaba.com>

Remove unnecessary marco, they are no use or handled by generic
files (atomic-fallback.h, asm-generic/cmpxchg*).

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Link: https://lore.kernel.org/linux-riscv/CAJF2gTT1_mP-wiK2HsCpTeU61NqZVKZX1A5ye=TwqvGN4TPmrA@mail.gmail.com/
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Michael Clark <michaeljclark@mac.com>
Cc: Anup Patel <anup@brainfault.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Palmer Dabbelt <palmerdabbelt@google.com>
---
arch/riscv/include/asm/cmpxchg.h | 83 --------------------------------
1 file changed, 83 deletions(-)

diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h
index 262e5bbb2776..f1383c15e16b 100644
--- a/arch/riscv/include/asm/cmpxchg.h
+++ b/arch/riscv/include/asm/cmpxchg.h
@@ -72,13 +72,6 @@
__ret; \
})

-#define xchg_acquire(ptr, x) \
-({ \
- __typeof__(*(ptr)) _x_ = (x); \
- (__typeof__(*(ptr))) __xchg_acquire((ptr), \
- _x_, sizeof(*(ptr))); \
-})
-
#define __xchg_release(ptr, new, size) \
({ \
__typeof__(ptr) __ptr = (ptr); \
@@ -107,13 +100,6 @@
__ret; \
})

-#define xchg_release(ptr, x) \
-({ \
- __typeof__(*(ptr)) _x_ = (x); \
- (__typeof__(*(ptr))) __xchg_release((ptr), \
- _x_, sizeof(*(ptr))); \
-})
-
#define __xchg(ptr, new, size) \
({ \
__typeof__(ptr) __ptr = (ptr); \
@@ -140,24 +126,6 @@
__ret; \
})

-#define xchg(ptr, x) \
-({ \
- __typeof__(*(ptr)) _x_ = (x); \
- (__typeof__(*(ptr))) __xchg((ptr), _x_, sizeof(*(ptr))); \
-})
-
-#define xchg32(ptr, x) \
-({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 4); \
- xchg((ptr), (x)); \
-})
-
-#define xchg64(ptr, x) \
-({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- xchg((ptr), (x)); \
-})
-
/*
* Atomic compare and exchange. Compare OLD with MEM, if identical,
* store NEW in MEM. Return the initial value in MEM. Success is
@@ -245,14 +213,6 @@
__ret; \
})

-#define cmpxchg_acquire(ptr, o, n) \
-({ \
- __typeof__(*(ptr)) _o_ = (o); \
- __typeof__(*(ptr)) _n_ = (n); \
- (__typeof__(*(ptr))) __cmpxchg_acquire((ptr), \
- _o_, _n_, sizeof(*(ptr))); \
-})
-
#define __cmpxchg_release(ptr, old, new, size) \
({ \
__typeof__(ptr) __ptr = (ptr); \
@@ -291,14 +251,6 @@
__ret; \
})

-#define cmpxchg_release(ptr, o, n) \
-({ \
- __typeof__(*(ptr)) _o_ = (o); \
- __typeof__(*(ptr)) _n_ = (n); \
- (__typeof__(*(ptr))) __cmpxchg_release((ptr), \
- _o_, _n_, sizeof(*(ptr))); \
-})
-
#define __cmpxchg(ptr, old, new, size) \
({ \
__typeof__(ptr) __ptr = (ptr); \
@@ -337,39 +289,4 @@
__ret; \
})

-#define cmpxchg(ptr, o, n) \
-({ \
- __typeof__(*(ptr)) _o_ = (o); \
- __typeof__(*(ptr)) _n_ = (n); \
- (__typeof__(*(ptr))) __cmpxchg((ptr), \
- _o_, _n_, sizeof(*(ptr))); \
-})
-
-#define cmpxchg_local(ptr, o, n) \
- (__cmpxchg_relaxed((ptr), (o), (n), sizeof(*(ptr))))
-
-#define cmpxchg32(ptr, o, n) \
-({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 4); \
- cmpxchg((ptr), (o), (n)); \
-})
-
-#define cmpxchg32_local(ptr, o, n) \
-({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 4); \
- cmpxchg_relaxed((ptr), (o), (n)) \
-})
-
-#define cmpxchg64(ptr, o, n) \
-({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- cmpxchg((ptr), (o), (n)); \
-})
-
-#define cmpxchg64_local(ptr, o, n) \
-({ \
- BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- cmpxchg_relaxed((ptr), (o), (n)); \
-})
-
#endif /* _ASM_RISCV_CMPXCHG_H */
--
2.17.1