[PATCH -v2 28/33] locking: Remove linux/atomic.h:atomic_fetch_or

From: Peter Zijlstra
Date: Tue May 31 2016 - 06:34:50 EST

Since all architectures have this implemented natively, remove this
now dead code.

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
arch/alpha/include/asm/atomic.h | 2 --
arch/arc/include/asm/atomic.h | 2 --
arch/arm/include/asm/atomic.h | 2 --
arch/arm64/include/asm/atomic.h | 2 --
arch/avr32/include/asm/atomic.h | 2 --
arch/frv/include/asm/atomic.h | 2 --
arch/h8300/include/asm/atomic.h | 2 --
arch/hexagon/include/asm/atomic.h | 2 --
arch/m32r/include/asm/atomic.h | 2 --
arch/m68k/include/asm/atomic.h | 2 --
arch/metag/include/asm/atomic.h | 2 --
arch/mips/include/asm/atomic.h | 2 --
arch/mn10300/include/asm/atomic.h | 2 --
arch/parisc/include/asm/atomic.h | 2 --
arch/s390/include/asm/atomic.h | 2 --
arch/sh/include/asm/atomic.h | 2 --
arch/sparc/include/asm/atomic.h | 1 -
arch/sparc/include/asm/atomic_32.h | 2 --
arch/tile/include/asm/atomic.h | 2 --
arch/x86/include/asm/atomic.h | 2 --
arch/xtensa/include/asm/atomic.h | 2 --
include/asm-generic/atomic.h | 2 --
include/linux/atomic.h | 21 ---------------------
23 files changed, 64 deletions(-)

--- a/arch/alpha/include/asm/atomic.h
+++ b/arch/alpha/include/asm/atomic.h
@@ -153,8 +153,6 @@ ATOMIC_OPS(sub)
#define atomic_andnot atomic_andnot
#define atomic64_andnot atomic64_andnot

-#define atomic_fetch_or atomic_fetch_or
-
#undef ATOMIC_OPS
#define ATOMIC_OPS(op, asm) \
ATOMIC_OP(op, asm) \
--- a/arch/arc/include/asm/atomic.h
+++ b/arch/arc/include/asm/atomic.h
@@ -224,8 +224,6 @@ ATOMIC_OPS(sub, -=, sub)

#define atomic_andnot atomic_andnot

-#define atomic_fetch_or atomic_fetch_or
-
#undef ATOMIC_OPS
#define ATOMIC_OPS(op, c_op, asm_op) \
ATOMIC_OP(op, c_op, asm_op) \
--- a/arch/arm/include/asm/atomic.h
+++ b/arch/arm/include/asm/atomic.h
@@ -201,8 +201,6 @@ static inline int atomic_fetch_##op(int
return val; \
}

-#define atomic_fetch_or atomic_fetch_or
-
static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
{
int ret;
--- a/arch/arm64/include/asm/atomic.h
+++ b/arch/arm64/include/asm/atomic.h
@@ -128,8 +128,6 @@
#define __atomic_add_unless(v, a, u) ___atomic_add_unless(v, a, u,)
#define atomic_andnot atomic_andnot

-#define atomic_fetch_or atomic_fetch_or
-
/*
* 64-bit atomic operations.
*/
--- a/arch/avr32/include/asm/atomic.h
+++ b/arch/avr32/include/asm/atomic.h
@@ -66,8 +66,6 @@ ATOMIC_OP_RETURN(add, add, r)
ATOMIC_FETCH_OP (sub, sub, rKs21)
ATOMIC_FETCH_OP (add, add, r)

-#define atomic_fetch_or atomic_fetch_or
-
#define ATOMIC_OPS(op, asm_op) \
ATOMIC_OP_RETURN(op, asm_op, r) \
static inline void atomic_##op(int i, atomic_t *v) \
--- a/arch/frv/include/asm/atomic.h
+++ b/arch/frv/include/asm/atomic.h
@@ -74,8 +74,6 @@ static inline void atomic_dec(atomic_t *
#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)
#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0)

-#define atomic_fetch_or atomic_fetch_or
-
/*
* 64-bit atomic ops
*/
--- a/arch/h8300/include/asm/atomic.h
+++ b/arch/h8300/include/asm/atomic.h
@@ -54,8 +54,6 @@ static inline void atomic_##op(int i, at
ATOMIC_OP_RETURN(add, +=)
ATOMIC_OP_RETURN(sub, -=)

-#define atomic_fetch_or atomic_fetch_or
-
#define ATOMIC_OPS(op, c_op) \
ATOMIC_OP(op, c_op) \
ATOMIC_FETCH_OP(op, c_op)
--- a/arch/hexagon/include/asm/atomic.h
+++ b/arch/hexagon/include/asm/atomic.h
@@ -152,8 +152,6 @@ ATOMIC_OPS(sub)
#undef ATOMIC_OPS
#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)

-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_OPS(and)
ATOMIC_OPS(or)
ATOMIC_OPS(xor)
--- a/arch/m32r/include/asm/atomic.h
+++ b/arch/m32r/include/asm/atomic.h
@@ -121,8 +121,6 @@ ATOMIC_OPS(sub)
#undef ATOMIC_OPS
#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)

-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_OPS(and)
ATOMIC_OPS(or)
ATOMIC_OPS(xor)
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -119,8 +119,6 @@ ATOMIC_OPS(sub, -=, sub)
ATOMIC_OP(op, c_op, asm_op) \
ATOMIC_FETCH_OP(op, c_op, asm_op)

-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_OPS(and, &=, and)
ATOMIC_OPS(or, |=, or)
ATOMIC_OPS(xor, ^=, eor)
--- a/arch/metag/include/asm/atomic.h
+++ b/arch/metag/include/asm/atomic.h
@@ -17,8 +17,6 @@
#include <asm/atomic_lnkget.h>
#endif

-#define atomic_fetch_or atomic_fetch_or
-
#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)

#define atomic_dec_return(v) atomic_sub_return(1, (v))
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -194,8 +194,6 @@ ATOMIC_OPS(sub, -=, subu)
ATOMIC_OP(op, c_op, asm_op) \
ATOMIC_FETCH_OP(op, c_op, asm_op)

-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_OPS(and, &=, and)
ATOMIC_OPS(or, |=, or)
ATOMIC_OPS(xor, ^=, xor)
--- a/arch/mn10300/include/asm/atomic.h
+++ b/arch/mn10300/include/asm/atomic.h
@@ -113,8 +113,6 @@ ATOMIC_OPS(sub)
#undef ATOMIC_OPS
#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)

-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_OPS(and)
ATOMIC_OPS(or)
ATOMIC_OPS(xor)
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -148,8 +148,6 @@ ATOMIC_OPS(sub, -=)
ATOMIC_OP(op, c_op) \
ATOMIC_FETCH_OP(op, c_op)

-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_OPS(and, &=)
ATOMIC_OPS(or, |=)
ATOMIC_OPS(xor, ^=)
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -135,8 +135,6 @@ static inline int atomic_fetch_##op(int
return __ATOMIC_LOOP(v, i, __ATOMIC_##OP, __ATOMIC_BARRIER); \
}

-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_OPS(and, AND)
ATOMIC_OPS(or, OR)
ATOMIC_OPS(xor, XOR)
--- a/arch/sh/include/asm/atomic.h
+++ b/arch/sh/include/asm/atomic.h
@@ -25,8 +25,6 @@
#include <asm/atomic-irq.h>
#endif

-#define atomic_fetch_or atomic_fetch_or
-
#define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0)
#define atomic_dec_return(v) atomic_sub_return(1, (v))
#define atomic_inc_return(v) atomic_add_return(1, (v))
--- a/arch/sparc/include/asm/atomic.h
+++ b/arch/sparc/include/asm/atomic.h
@@ -5,5 +5,4 @@
#else
#include <asm/atomic_32.h>
#endif
-#define atomic_fetch_or atomic_fetch_or
#endif
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -36,8 +36,6 @@ void atomic_set(atomic_t *, int);
#define atomic_inc(v) ((void)atomic_add_return( 1, (v)))
#define atomic_dec(v) ((void)atomic_add_return( -1, (v)))

-#define atomic_fetch_or atomic_fetch_or
-
#define atomic_and(i, v) ((void)atomic_fetch_and((i), (v)))
#define atomic_or(i, v) ((void)atomic_fetch_or((i), (v)))
#define atomic_xor(i, v) ((void)atomic_fetch_xor((i), (v)))
--- a/arch/tile/include/asm/atomic.h
+++ b/arch/tile/include/asm/atomic.h
@@ -48,8 +48,6 @@ static inline int atomic_read(const atom

#define atomic_fetch_sub(i, v) atomic_fetch_add(-(int)(i), (v))

-#define atomic_fetch_or atomic_fetch_or
-
/**
* atomic_sub - subtract integer from atomic variable
* @i: integer value to subtract
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -217,8 +217,6 @@ static inline int atomic_fetch_##op(int
ATOMIC_OP(op) \
ATOMIC_FETCH_OP(op, c_op)

-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_OPS(and, &)
ATOMIC_OPS(or , |)
ATOMIC_OPS(xor, ^)
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -188,8 +188,6 @@ ATOMIC_OPS(sub)
#undef ATOMIC_OPS
#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_FETCH_OP(op)

-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_OPS(and)
ATOMIC_OPS(or)
ATOMIC_OPS(xor)
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -137,8 +137,6 @@ ATOMIC_FETCH_OP(and, &)
#endif

#ifndef atomic_fetch_or
-#define atomic_fetch_or atomic_fetch_or
-
ATOMIC_FETCH_OP(or, |)
#endif

--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -620,27 +620,6 @@ static inline int atomic_dec_if_positive
}
#endif

-/**
- * atomic_fetch_or - perform *p |= mask and return old value of *p
- * @mask: mask to OR on the atomic_t
- * @p: pointer to atomic_t
- */
-#ifndef atomic_fetch_or
-static inline int atomic_fetch_or(int mask, atomic_t *p)
-{
- int old, val = atomic_read(p);
-
- for (;;) {
- old = atomic_cmpxchg(p, val, val | mask);
- if (old == val)
- break;
- val = old;
- }
-
- return old;
-}
-#endif
-
#ifdef CONFIG_GENERIC_ATOMIC64
#include <asm-generic/atomic64.h>
#endif