From 74b1bc505b058efdfef33e775df68d8324bbf8b8 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 23 Apr 2014 19:56:20 +0200 Subject: m68k: 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. Acked-by: Geert Uytterhoeven Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Thomas Gleixner --- arch/m68k/include/asm/atomic.h | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) (limited to 'arch/m68k') diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h index e85f047fb072..c30e43ea49a3 100644 --- a/arch/m68k/include/asm/atomic.h +++ b/arch/m68k/include/asm/atomic.h @@ -77,6 +77,12 @@ 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) + #undef ATOMIC_OPS #undef ATOMIC_OP_RETURN #undef ATOMIC_OP @@ -170,14 +176,14 @@ static inline int atomic_add_negative(int i, atomic_t *v) return c != 0; } -static inline void atomic_clear_mask(unsigned long mask, unsigned long *v) +static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v) { - __asm__ __volatile__("andl %1,%0" : "+m" (*v) : ASM_DI (~(mask))); + atomic_and(~mask, v); } -static inline void atomic_set_mask(unsigned long mask, unsigned long *v) +static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v) { - __asm__ __volatile__("orl %1,%0" : "+m" (*v) : ASM_DI (mask)); + atomic_or(mask, v); } static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) -- cgit v1.2.1 From e6942b7de2dfe44ebde9bae57dadece5abca9de8 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 23 Apr 2014 19:32:50 +0200 Subject: 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) Signed-off-by: Thomas Gleixner --- arch/m68k/include/asm/atomic.h | 2 -- 1 file changed, 2 deletions(-) (limited to 'arch/m68k') 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) -- cgit v1.2.1 From de9e432cb5de1bf2952919dc0b22e4bec0ed8d53 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Fri, 24 Apr 2015 01:12:32 +0200 Subject: atomic: Collapse all atomic_{set,clear}_mask definitions Move the now generic definitions of atomic_{set,clear}_mask() into linux/atomic.h to avoid endless and pointless repetition. Also, provide an atomic_andnot() wrapper for those few archs that can implement that. Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Thomas Gleixner --- arch/m68k/include/asm/atomic.h | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'arch/m68k') diff --git a/arch/m68k/include/asm/atomic.h b/arch/m68k/include/asm/atomic.h index 93ebd96aa494..039fac120cc0 100644 --- a/arch/m68k/include/asm/atomic.h +++ b/arch/m68k/include/asm/atomic.h @@ -174,16 +174,6 @@ static inline int atomic_add_negative(int i, atomic_t *v) return c != 0; } -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); -} - static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; -- cgit v1.2.1