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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) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Peter Zijlstra 2015-04-24 01:12:32 +02:00 committed by Thomas Gleixner
parent e6942b7de2
commit de9e432cb5
16 changed files with 25 additions and 174 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/arc/include/asm/atomic.h
View File

@ -155,16 +155,6 @@ ATOMIC_OP(xor, ^=, xor)
#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_add_unless - add unless the number is a given value
* @v: pointer of type atomic_t

10
arch/blackfin/include/asm/atomic.h
View File

@ -32,16 +32,6 @@ asmlinkage int __raw_atomic_test_asm(const volatile int *ptr, int value);
#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)
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);
}
#endif
#include <asm-generic/atomic.h>

10
arch/frv/include/asm/atomic.h
View File

@ -198,14 +198,4 @@ ATOMIC_OP(xor)
#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);
}
#endif /* _ASM_ATOMIC_H */

10
arch/h8300/include/asm/atomic.h
View File

@ -89,14 +89,4 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
return ret;
}
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);
}
#endif /* __ARCH_H8300_ATOMIC __ */

11
arch/m32r/include/asm/atomic.h
View File

@ -243,15 +243,4 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
return c;
}
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);
}
#endif /* _ASM_M32R_ATOMIC_H */

10
arch/m68k/include/asm/atomic.h
View File

@ -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;

10
arch/metag/include/asm/atomic_lnkget.h
View File

@ -82,16 +82,6 @@ ATOMIC_OP(xor)
#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);
}
static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
{
int result, temp;

10
arch/metag/include/asm/atomic_lock1.h
View File

@ -76,16 +76,6 @@ ATOMIC_OP(xor, ^=)
#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);
}
static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
{
int ret;

24
arch/mn10300/include/asm/atomic.h
View File

@ -131,30 +131,6 @@ static inline void atomic_dec(atomic_t *v)
#define atomic_xchg(ptr, v) (xchg(&(ptr)->counter, (v)))
#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new)))
/**
* atomic_clear_mask - Atomically clear bits in memory
* @mask: Mask of the bits to be cleared
* @v: pointer to word in memory
*
* Atomically clears the bits set in mask from the memory word specified.
*/
static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v)
{
atomic_and(~mask, v);
}
/**
* atomic_set_mask - Atomically set bits in memory
* @mask: Mask of the bits to be set
* @v: pointer to word in memory
*
* Atomically sets the bits set in mask from the memory word specified.
*/
static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v)
{
atomic_or(mask, v);
}
#endif /* __KERNEL__ */
#endif /* CONFIG_SMP */
#endif /* _ASM_ATOMIC_H */

19
arch/powerpc/kernel/misc_32.S
View File

@ -595,25 +595,6 @@ _GLOBAL(copy_page)
li r11,4
b 2b
/*
* void atomic_clear_mask(atomic_t mask, atomic_t *addr)
* void atomic_set_mask(atomic_t mask, atomic_t *addr);
*/
_GLOBAL(atomic_clear_mask)
10: lwarx r5,0,r4
andc r5,r5,r3
PPC405_ERR77(0,r4)
stwcx. r5,0,r4
bne- 10b
blr
_GLOBAL(atomic_set_mask)
10: lwarx r5,0,r4
or r5,r5,r3
PPC405_ERR77(0,r4)
stwcx. r5,0,r4
bne- 10b
blr
/*
* Extended precision shifts.
*

10
arch/s390/include/asm/atomic.h
View File

@ -132,16 +132,6 @@ ATOMIC_OP(xor, XOR)
#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);
}
#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
static inline int atomic_cmpxchg(atomic_t *v, int old, int new)

10
arch/sh/include/asm/atomic.h
View File

@ -25,16 +25,6 @@
#include <asm/atomic-irq.h>
#endif
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);
}
#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))

10
arch/x86/include/asm/atomic.h
View File

@ -234,16 +234,6 @@ static __always_inline short int atomic_inc_short(short int *v)
return *v;
}
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);
}
#ifdef CONFIG_X86_32
# include <asm/atomic64_32.h>
#else

10
arch/xtensa/include/asm/atomic.h
View File

@ -153,16 +153,6 @@ ATOMIC_OP(xor)
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v)
{
atomic_or(mask, v);
}
static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v)
{
atomic_and(~mask, v);
}
/**
* atomic_sub_and_test - subtract value from variable and test result
* @i: integer value to subtract

10
include/asm-generic/atomic.h
View File

@ -113,16 +113,6 @@ ATOMIC_OP(xor, ^)
#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..

25
include/linux/atomic.h
View File

@ -28,6 +28,23 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
#endif
#ifndef atomic_andnot
static inline void atomic_andnot(int i, atomic_t *v)
{
atomic_and(~i, v);
}
#endif
static inline __deprecated void atomic_clear_mask(unsigned int mask, atomic_t *v)
{
atomic_andnot(mask, v);
}
static inline __deprecated void atomic_set_mask(unsigned int mask, atomic_t *v)
{
atomic_or(mask, v);
}
/**
* atomic_inc_not_zero_hint - increment if not null
* @v: pointer of type atomic_t
@ -115,4 +132,12 @@ static inline int atomic_dec_if_positive(atomic_t *v)
#ifdef CONFIG_GENERIC_ATOMIC64
#include <asm-generic/atomic64.h>
#endif
#ifndef atomic64_andnot
static inline void atomic64_andnot(long long i, atomic64_t *v)
{
atomic64_and(~i, v);
}
#endif
#endif /* _LINUX_ATOMIC_H */