Skip to content

Commit

Permalink
atomic: cleanup asm-generic atomic*.h inclusion
Browse files Browse the repository at this point in the history
After changing all consumers of atomics to include <linux/atomic.h>, we
ran into some compile time errors due to this dependency chain:

linux/atomic.h
  -> asm/atomic.h
    -> asm-generic/atomic-long.h

where atomic-long.h could use funcs defined later in linux/atomic.h
without a prototype.  This patches moves the code that includes
asm-generic/atomic*.h to linux/atomic.h.

Archs that need <asm-generic/atomic64.h> need to select
CONFIG_GENERIC_ATOMIC64 from now on (some of them used to include it
unconditionally).

Compile tested on i386 and x86_64 with allnoconfig.

Signed-off-by: Arun Sharma <asharma@fb.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: David Miller <davem@davemloft.net>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
  • Loading branch information
Arun Sharma authored and Linus Torvalds committed Jul 26, 2011
1 parent f24219b commit 7847777
Show file tree
Hide file tree
Showing 23 changed files with 5 additions and 50 deletions.
1 change: 0 additions & 1 deletion arch/alpha/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -255,5 +255,4 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
#define smp_mb__before_atomic_inc() smp_mb()
#define smp_mb__after_atomic_inc() smp_mb()

#include <asm-generic/atomic-long.h>
#endif /* _ALPHA_ATOMIC_H */
5 changes: 1 addition & 4 deletions arch/arm/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -459,9 +459,6 @@ static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 u)
#define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0)
#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL)

#else /* !CONFIG_GENERIC_ATOMIC64 */
#include <asm-generic/atomic64.h>
#endif
#include <asm-generic/atomic-long.h>
#endif /* !CONFIG_GENERIC_ATOMIC64 */
#endif
#endif
2 changes: 0 additions & 2 deletions arch/avr32/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,4 @@ static inline int atomic_sub_if_positive(int i, atomic_t *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>

#endif /* __ASM_AVR32_ATOMIC_H */
3 changes: 0 additions & 3 deletions arch/blackfin/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -111,10 +111,7 @@ static inline void atomic_set_mask(int mask, atomic_t *v)
#define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0)
#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0)

#include <asm-generic/atomic-long.h>

#endif

#include <asm-generic/atomic64.h>

#endif
1 change: 0 additions & 1 deletion arch/cris/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -157,5 +157,4 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>
#endif
1 change: 0 additions & 1 deletion arch/frv/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -257,5 +257,4 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
}


#include <asm-generic/atomic-long.h>
#endif /* _ASM_ATOMIC_H */
1 change: 0 additions & 1 deletion arch/h8300/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -145,5 +145,4 @@ static __inline__ void atomic_set_mask(unsigned long mask, unsigned long *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>
#endif /* __ARCH_H8300_ATOMIC __ */
1 change: 0 additions & 1 deletion arch/ia64/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -215,5 +215,4 @@ atomic64_add_negative (__s64 i, atomic64_t *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>
#endif /* _ASM_IA64_ATOMIC_H */
1 change: 0 additions & 1 deletion arch/m32r/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -313,5 +313,4 @@ static __inline__ void atomic_set_mask(unsigned long mask, atomic_t *addr)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>
#endif /* _ASM_M32R_ATOMIC_H */
2 changes: 0 additions & 2 deletions arch/m68k/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,4 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>
#include <asm-generic/atomic64.h>
#endif /* __ARCH_M68K_ATOMIC __ */
6 changes: 0 additions & 6 deletions arch/mips/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -765,10 +765,6 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
*/
#define atomic64_add_negative(i, v) (atomic64_add_return(i, (v)) < 0)

#else /* !CONFIG_64BIT */

#include <asm-generic/atomic64.h>

#endif /* CONFIG_64BIT */

/*
Expand All @@ -780,6 +776,4 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
#define smp_mb__before_atomic_inc() smp_mb__before_llsc()
#define smp_mb__after_atomic_inc() smp_llsc_mb()

#include <asm-generic/atomic-long.h>

#endif /* _ASM_ATOMIC_H */
2 changes: 0 additions & 2 deletions arch/mn10300/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -343,8 +343,6 @@ static inline void atomic_set_mask(unsigned long mask, unsigned long *addr)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>

#endif /* __KERNEL__ */
#endif /* CONFIG_SMP */
#endif /* _ASM_ATOMIC_H */
5 changes: 0 additions & 5 deletions arch/parisc/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -335,12 +335,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)

#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)

#else /* CONFIG_64BIT */

#include <asm-generic/atomic64.h>

#endif /* !CONFIG_64BIT */

#include <asm-generic/atomic-long.h>

#endif /* _ASM_PARISC_ATOMIC_H_ */
4 changes: 0 additions & 4 deletions arch/powerpc/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -469,11 +469,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)

#define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)

#else /* __powerpc64__ */
#include <asm-generic/atomic64.h>

#endif /* __powerpc64__ */

#include <asm-generic/atomic-long.h>
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_ATOMIC_H_ */
2 changes: 0 additions & 2 deletions arch/s390/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -331,6 +331,4 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v)
#define smp_mb__before_atomic_inc() smp_mb()
#define smp_mb__after_atomic_inc() smp_mb()

#include <asm-generic/atomic-long.h>

#endif /* __ARCH_S390_ATOMIC__ */
3 changes: 0 additions & 3 deletions arch/sh/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,4 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
#define smp_mb__before_atomic_inc() smp_mb()
#define smp_mb__after_atomic_inc() smp_mb()

#include <asm-generic/atomic-long.h>
#include <asm-generic/atomic64.h>

#endif /* __ASM_SH_ATOMIC_H */
1 change: 0 additions & 1 deletion arch/sparc/include/asm/atomic_32.h
Original file line number Diff line number Diff line change
Expand Up @@ -160,5 +160,4 @@ static inline int __atomic24_sub(int i, atomic24_t *v)

#endif /* !(__KERNEL__) */

#include <asm-generic/atomic-long.h>
#endif /* !(__ARCH_SPARC_ATOMIC__) */
1 change: 0 additions & 1 deletion arch/sparc/include/asm/atomic_64.h
Original file line number Diff line number Diff line change
Expand Up @@ -113,5 +113,4 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>
#endif /* !(__ARCH_SPARC64_ATOMIC__) */
5 changes: 0 additions & 5 deletions arch/tile/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -177,9 +177,4 @@ extern unsigned long __cmpxchg_called_with_bad_pointer(void);
#include <asm/atomic_64.h>
#endif

/* Provide the appropriate atomic_long_t definitions. */
#ifndef __ASSEMBLY__
#include <asm-generic/atomic-long.h>
#endif

#endif /* _ASM_TILE_ATOMIC_H */
1 change: 0 additions & 1 deletion arch/x86/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -318,5 +318,4 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2)
# include "atomic64_64.h"
#endif

#include <asm-generic/atomic-long.h>
#endif /* _ASM_X86_ATOMIC_H */
1 change: 0 additions & 1 deletion arch/xtensa/include/asm/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -291,7 +291,6 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>
#endif /* __KERNEL__ */

#endif /* _XTENSA_ATOMIC_H */
Expand Down
2 changes: 0 additions & 2 deletions include/asm-generic/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,5 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr)
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

#include <asm-generic/atomic-long.h>

#endif /* __KERNEL__ */
#endif /* __ASM_GENERIC_ATOMIC_H */
4 changes: 4 additions & 0 deletions include/linux/atomic.h
Original file line number Diff line number Diff line change
Expand Up @@ -96,4 +96,8 @@ static inline void atomic_or(int i, atomic_t *v)
}
#endif /* #ifndef CONFIG_ARCH_HAS_ATOMIC_OR */

#include <asm-generic/atomic-long.h>
#ifdef CONFIG_GENERIC_ATOMIC64
#include <asm-generic/atomic64.h>
#endif
#endif /* _LINUX_ATOMIC_H */

0 comments on commit 7847777

Please sign in to comment.