[PATCH v4 1/4] riscv: cmpxchg.h: Cleanup unused code
From: guoren@kernel.org
Date: 2021-03-27 18:08:30
Also in:
linux-riscv, lkml
Subsystem:
risc-v architecture, the rest · Maintainers:
Paul Walmsley, Palmer Dabbelt, Albert Ou, Linus Torvalds
From: Guo Ren <redacted> Remove unnecessary marco, they are no use or handled by generic files (atomic-fallback.h, asm-generic/cmpxchg*). Signed-off-by: Guo Ren <redacted> Link: https://lore.kernel.org/linux-riscv/CAJF2gTT1_mP-wiK2HsCpTeU61NqZVKZX1A5ye=TwqvGN4TPmrA@mail.gmail.com/ (local) Cc: Peter Zijlstra <peterz@infradead.org> Cc: Michael Clark <redacted> Cc: Anup Patel <anup@brainfault.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Palmer Dabbelt <redacted> --- 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