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authorPeter Zijlstra <peterz@infradead.org>2014-04-23 21:32:50 +0400
committerThomas Gleixner <tglx@linutronix.de>2015-07-27 15:06:24 +0300
commite6942b7de2dfe44ebde9bae57dadece5abca9de8 (patch)
treeb235317c5f6d200bcc25b43a406237a0d15319cf
parent2957c035395e492463d7f589af9dd32388967bbb (diff)
downloadlinux-e6942b7de2dfe44ebde9bae57dadece5abca9de8.tar.xz
atomic: Provide atomic_{or,xor,and}
Implement atomic logic ops -- atomic_{or,xor,and}. These will replace the atomic_{set,clear}_mask functions that are available on some archs. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--arch/alpha/include/asm/atomic.h1
-rw-r--r--arch/arc/include/asm/atomic.h1
-rw-r--r--arch/arm/include/asm/atomic.h1
-rw-r--r--arch/arm64/include/asm/atomic.h1
-rw-r--r--arch/avr32/include/asm/atomic.h2
-rw-r--r--arch/blackfin/include/asm/atomic.h2
-rw-r--r--arch/frv/include/asm/atomic.h2
-rw-r--r--arch/h8300/include/asm/atomic.h2
-rw-r--r--arch/hexagon/include/asm/atomic.h2
-rw-r--r--arch/ia64/include/asm/atomic.h2
-rw-r--r--arch/m32r/include/asm/atomic.h2
-rw-r--r--arch/m68k/include/asm/atomic.h2
-rw-r--r--arch/metag/include/asm/atomic_lnkget.h2
-rw-r--r--arch/mips/include/asm/atomic.h2
-rw-r--r--arch/mn10300/include/asm/atomic.h2
-rw-r--r--arch/parisc/include/asm/atomic.h2
-rw-r--r--arch/powerpc/include/asm/atomic.h2
-rw-r--r--arch/s390/include/asm/atomic.h2
-rw-r--r--arch/sh/include/asm/atomic-grb.h2
-rw-r--r--arch/sparc/include/asm/atomic_32.h2
-rw-r--r--arch/sparc/include/asm/atomic_64.h2
-rw-r--r--arch/tile/include/asm/atomic_32.h2
-rw-r--r--arch/tile/include/asm/atomic_64.h2
-rw-r--r--arch/x86/include/asm/atomic.h2
-rw-r--r--arch/xtensa/include/asm/atomic.h2
-rw-r--r--include/asm-generic/atomic.h21
-rw-r--r--include/asm-generic/atomic64.h4
-rw-r--r--include/linux/atomic.h13
-rw-r--r--lib/atomic64.c3
29 files changed, 19 insertions, 68 deletions
diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
index 0eff853398d2..e8c956098424 100644
--- a/arch/alpha/include/asm/atomic.h
+++ b/arch/alpha/include/asm/atomic.h
@@ -110,7 +110,6 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
#define atomic_andnot atomic_andnot
#define atomic64_andnot atomic64_andnot
diff --git a/arch/arc/include/asm/atomic.h b/arch/arc/include/asm/atomic.h
index e90b701fc6a8..2a847821dee1 100644
--- a/arch/arc/include/asm/atomic.h
+++ b/arch/arc/include/asm/atomic.h
@@ -144,7 +144,6 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add, +=, add)
ATOMIC_OPS(sub, -=, sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
#define atomic_andnot atomic_andnot
ATOMIC_OP(and, &=, and)
diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
index ff214bac9cb4..82b75a7cb762 100644
--- a/arch/arm/include/asm/atomic.h
+++ b/arch/arm/include/asm/atomic.h
@@ -194,7 +194,6 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
ATOMIC_OPS(add, +=, add)
ATOMIC_OPS(sub, -=, sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
#define atomic_andnot atomic_andnot
ATOMIC_OP(and, &=, and)
diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h
index 2876173397b2..866a71fca9a3 100644
--- a/arch/arm64/include/asm/atomic.h
+++ b/arch/arm64/include/asm/atomic.h
@@ -85,7 +85,6 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add, add)
ATOMIC_OPS(sub, sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
#define atomic_andnot atomic_andnot
ATOMIC_OP(and, and)
diff --git a/arch/avr32/include/asm/atomic.h b/arch/avr32/include/asm/atomic.h
index 115d3005e4bc..97c9bdf83409 100644
--- a/arch/avr32/include/asm/atomic.h
+++ b/arch/avr32/include/asm/atomic.h
@@ -51,8 +51,6 @@ static inline void atomic_##op(int i, atomic_t *v) \
(void)__atomic_##op##_return(i, v); \
}
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and, and)
ATOMIC_OP(or, or)
ATOMIC_OP(xor, eor)
diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h
index eafa55b81a7b..2d6a7a3823c3 100644
--- a/arch/blackfin/include/asm/atomic.h
+++ b/arch/blackfin/include/asm/atomic.h
@@ -28,8 +28,6 @@ asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value);
#define atomic_add_return(i, v) __raw_atomic_add_asm(&(v)->counter, i)
#define atomic_sub_return(i, v) __raw_atomic_add_asm(&(v)->counter, -(i))
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
#define atomic_or(i, v) (void)__raw_atomic_or_asm(&(v)->counter, i)
#define atomic_and(i, v) (void)__raw_atomic_and_asm(&(v)->counter, i)
#define atomic_xor(i, v) (void)__raw_atomic_xor_asm(&(v)->counter, i)
diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h
index 74d22454d7c6..fc48bea26b40 100644
--- a/arch/frv/include/asm/atomic.h
+++ b/arch/frv/include/asm/atomic.h
@@ -192,8 +192,6 @@ static inline void atomic64_##op(long long i, atomic64_t *v) \
(void)__atomic64_fetch_##op(i, &v->counter); \
}
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(or)
ATOMIC_OP(and)
ATOMIC_OP(xor)
diff --git a/arch/h8300/include/asm/atomic.h b/arch/h8300/include/asm/atomic.h
index f181f820be33..c4d061f09c44 100644
--- a/arch/h8300/include/asm/atomic.h
+++ b/arch/h8300/include/asm/atomic.h
@@ -41,8 +41,6 @@ static inline void atomic_##op(int i, atomic_t *v) \
ATOMIC_OP_RETURN(add, +=)
ATOMIC_OP_RETURN(sub, -=)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and, &=)
ATOMIC_OP(or, |=)
ATOMIC_OP(xor, ^=)
diff --git a/arch/hexagon/include/asm/atomic.h b/arch/hexagon/include/asm/atomic.h
index 4efe2c7c0dd8..811d61f6422d 100644
--- a/arch/hexagon/include/asm/atomic.h
+++ b/arch/hexagon/include/asm/atomic.h
@@ -132,8 +132,6 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h
index 0809ef5d6b9a..be4beeb77d57 100644
--- a/arch/ia64/include/asm/atomic.h
+++ b/arch/ia64/include/asm/atomic.h
@@ -69,8 +69,6 @@ ATOMIC_OP(sub, -)
: ia64_atomic_sub(__ia64_asr_i, v); \
})
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and, &)
ATOMIC_OP(or, |)
ATOMIC_OP(xor, ^)
diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h
index 7245463c1e98..b2a13fbd5be0 100644
--- a/arch/m32r/include/asm/atomic.h
+++ b/arch/m32r/include/asm/atomic.h
@@ -94,8 +94,6 @@ static __inline__ int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h
index c30e43ea49a3..93ebd96aa494 100644
--- a/arch/m68k/include/asm/atomic.h
+++ b/arch/m68k/include/asm/atomic.h
@@ -77,8 +77,6 @@ static inline int atomic_##op##_return(int i, atomic_t * v) \
ATOMIC_OPS(add, +=, add)
ATOMIC_OPS(sub, -=, sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and, &=, and)
ATOMIC_OP(or, |=, or)
ATOMIC_OP(xor, ^=, eor)
diff --git a/arch/metag/include/asm/atomic_lnkget.h b/arch/metag/include/asm/atomic_lnkget.h
index 930c12cb8d37..0642606de901 100644
--- a/arch/metag/include/asm/atomic_lnkget.h
+++ b/arch/metag/include/asm/atomic_lnkget.h
@@ -74,8 +74,6 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 0430ba6ab762..4c42fd9af777 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -137,8 +137,6 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \
ATOMIC_OPS(add, +=, addu)
ATOMIC_OPS(sub, -=, subu)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and, &=, and)
ATOMIC_OP(or, |=, or)
ATOMIC_OP(xor, ^=, xor)
diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h
index 03eea8158cf9..f5a63f0bda46 100644
--- a/arch/mn10300/include/asm/atomic.h
+++ b/arch/mn10300/include/asm/atomic.h
@@ -89,8 +89,6 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index be2c50ddebd6..2536965d00ea 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -126,8 +126,6 @@ static __inline__ int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add, +=)
ATOMIC_OPS(sub, -=)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and, &=)
ATOMIC_OP(or, |=)
ATOMIC_OP(xor, ^=)
diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index 6ca89e2aca15..55f106ed12bf 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -67,8 +67,6 @@ static __inline__ int atomic_##op##_return(int a, atomic_t *v) \
ATOMIC_OPS(add, add)
ATOMIC_OPS(sub, subf)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and, and)
ATOMIC_OP(or, or)
ATOMIC_OP(xor, xor)
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index b3859d8e001f..d761aeff72da 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -282,8 +282,6 @@ static inline void atomic64_##op(long i, atomic64_t *v) \
__ATOMIC64_LOOP(v, i, __ATOMIC64_##OP, __ATOMIC64_NO_BARRIER); \
}
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC64_OP(and, AND)
ATOMIC64_OP(or, OR)
ATOMIC64_OP(xor, XOR)
diff --git a/arch/sh/include/asm/atomic-grb.h b/arch/sh/include/asm/atomic-grb.h
index 4b03830d48c7..b94df40e5f2d 100644
--- a/arch/sh/include/asm/atomic-grb.h
+++ b/arch/sh/include/asm/atomic-grb.h
@@ -48,8 +48,6 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index e19d8880b146..7dcbebbcaec6 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -17,8 +17,6 @@
#include <asm/barrier.h>
#include <asm-generic/atomic64.h>
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
#define ATOMIC_INIT(i) { (i) }
int atomic_add_return(int, atomic_t *);
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index d6af27c93450..917084ace49d 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -33,8 +33,6 @@ long atomic64_##op##_return(long, atomic64_t *);
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h
index 94237922f0dd..d320ce253d86 100644
--- a/arch/tile/include/asm/atomic_32.h
+++ b/arch/tile/include/asm/atomic_32.h
@@ -41,8 +41,6 @@ static inline void atomic_##op(int i, atomic_t *v) \
_atomic_##op((unsigned long *)&v->counter, i); \
}
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h
index d07d9fc6e2a1..096a56d6ead4 100644
--- a/arch/tile/include/asm/atomic_64.h
+++ b/arch/tile/include/asm/atomic_64.h
@@ -58,8 +58,6 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
return oldval;
}
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
static inline void atomic_and(int i, atomic_t *v)
{
__insn_fetchand4((void *)&v->counter, i);
diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h
index f3a3ec040694..b3493023efda 100644
--- a/arch/x86/include/asm/atomic.h
+++ b/arch/x86/include/asm/atomic.h
@@ -191,8 +191,6 @@ static inline void atomic_##op(int i, atomic_t *v) \
: "memory"); \
}
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h
index 4dd2450300a6..31371f43c23b 100644
--- a/arch/xtensa/include/asm/atomic.h
+++ b/arch/xtensa/include/asm/atomic.h
@@ -145,8 +145,6 @@ static inline int atomic_##op##_return(int i, atomic_t * v) \
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-
ATOMIC_OP(and)
ATOMIC_OP(or)
ATOMIC_OP(xor)
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index 92947e0a532a..a41b0b8f7404 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -102,24 +102,27 @@ ATOMIC_OP_RETURN(sub, -)
ATOMIC_OP(and, &)
#endif
-#ifndef atomic_clear_mask
-#define atomic_clear_mask(i, v) atomic_and(~(i), (v))
-#endif
-
#ifndef atomic_or
-#ifndef CONFIG_ARCH_HAS_ATOMIC_OR
-#define CONFIG_ARCH_HAS_ATOMIC_OR
-#endif
ATOMIC_OP(or, |)
#endif
-#ifndef atomic_set_mask
-#define atomic_set_mask(i, v) atomic_or((i), (v))
+#ifndef atomic_xor
+ATOMIC_OP(xor, ^)
#endif
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
+static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v)
+{
+ atomic_and(~mask, v);
+}
+
+static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v)
+{
+ atomic_or(mask, v);
+}
+
/*
* Atomic operations that C can't guarantee us. Useful for
* resource counting etc..
diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h
index 30ad9c86cebb..d48e78ccad3d 100644
--- a/include/asm-generic/atomic64.h
+++ b/include/asm-generic/atomic64.h
@@ -32,6 +32,10 @@ extern long long atomic64_##op##_return(long long a, atomic64_t *v);
ATOMIC64_OPS(add)
ATOMIC64_OPS(sub)
+ATOMIC64_OP(and)
+ATOMIC64_OP(or)
+ATOMIC64_OP(xor)
+
#undef ATOMIC64_OPS
#undef ATOMIC64_OP_RETURN
#undef ATOMIC64_OP
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index 5b08a8540ecf..7d6279012a1f 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -111,19 +111,6 @@ static inline int atomic_dec_if_positive(atomic_t *v)
}
#endif
-#ifndef CONFIG_ARCH_HAS_ATOMIC_OR
-static inline void atomic_or(int i, atomic_t *v)
-{
- int old;
- int new;
-
- do {
- old = atomic_read(v);
- new = old | i;
- } while (atomic_cmpxchg(v, old, new) != old);
-}
-#endif /* #ifndef CONFIG_ARCH_HAS_ATOMIC_OR */
-
#include <asm-generic/atomic-long.h>
#ifdef CONFIG_GENERIC_ATOMIC64
#include <asm-generic/atomic64.h>
diff --git a/lib/atomic64.c b/lib/atomic64.c
index 1298c05ef528..2886ebac6567 100644
--- a/lib/atomic64.c
+++ b/lib/atomic64.c
@@ -102,6 +102,9 @@ EXPORT_SYMBOL(atomic64_##op##_return);
ATOMIC64_OPS(add, +=)
ATOMIC64_OPS(sub, -=)
+ATOMIC64_OP(and, &=)
+ATOMIC64_OP(or, |=)
+ATOMIC64_OP(xor, ^=)
#undef ATOMIC64_OPS
#undef ATOMIC64_OP_RETURN