diff options
| -rw-r--r-- | arch/tile/include/asm/bitops.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/bitops.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/atomic.h | 34 | ||||
| -rw-r--r-- | include/asm-generic/bitops/find.h | 39 | ||||
| -rw-r--r-- | include/asm-generic/fcntl.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/io.h | 26 | ||||
| -rw-r--r-- | include/asm-generic/kdebug.h | 2 | ||||
| -rw-r--r-- | include/asm-generic/system.h | 20 | ||||
| -rw-r--r-- | include/linux/bitops.h | 45 |
9 files changed, 86 insertions, 85 deletions
diff --git a/arch/tile/include/asm/bitops.h b/arch/tile/include/asm/bitops.h index 6832b4be899..6d4f0ff2c68 100644 --- a/arch/tile/include/asm/bitops.h +++ b/arch/tile/include/asm/bitops.h @@ -120,6 +120,7 @@ static inline unsigned long __arch_hweight64(__u64 w) #include <asm-generic/bitops/const_hweight.h> #include <asm-generic/bitops/lock.h> +#include <asm-generic/bitops/find.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ext2-non-atomic.h> #include <asm-generic/bitops/minix.h> diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index bafd80defa4..903683b07e4 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -440,6 +440,8 @@ static inline int fls(int x) #ifdef __KERNEL__ +#include <asm-generic/bitops/find.h> + #include <asm-generic/bitops/sched.h> #define ARCH_HAS_FAST_MULTIPLIER 1 diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h index fd57b8477fa..e994197f84b 100644 --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h @@ -120,14 +120,23 @@ static inline void atomic_dec(atomic_t *v) #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_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ - c = old; \ - c != (u); \ -}) +#define atomic_xchg(ptr, v) (xchg(&(ptr)->counter, (v))) +#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) + +#define cmpxchg_local(ptr, o, n) \ + ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ + (unsigned long)(n), sizeof(*(ptr)))) + +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) + +static inline int atomic_add_unless(atomic_t *v, int a, int u) +{ + int c, old; + c = atomic_read(v); + while (c != u && (old = atomic_cmpxchg(v, c, c + a)) != c) + c = old; + return c != u; +} #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) @@ -141,15 +150,6 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) raw_local_irq_restore(flags); } -#define atomic_xchg(ptr, v) (xchg(&(ptr)->counter, (v))) -#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) - -#define cmpxchg_local(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ - (unsigned long)(n), sizeof(*(ptr)))) - -#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) - /* Assume that atomic operations are already serializing */ #define smp_mb__before_atomic_dec() barrier() #define smp_mb__after_atomic_dec() barrier() diff --git a/include/asm-generic/bitops/find.h b/include/asm-generic/bitops/find.h index 1914e974251..110fa700f85 100644 --- a/include/asm-generic/bitops/find.h +++ b/include/asm-generic/bitops/find.h @@ -1,15 +1,50 @@ #ifndef _ASM_GENERIC_BITOPS_FIND_H_ #define _ASM_GENERIC_BITOPS_FIND_H_ -#ifndef CONFIG_GENERIC_FIND_NEXT_BIT +/** + * find_next_bit - find the next set bit in a memory region + * @addr: The address to base the search on + * @offset: The bitnumber to start searching at + * @size: The bitmap size in bits + */ extern unsigned long find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset); +/** + * find_next_zero_bit - find the next cleared bit in a memory region + * @addr: The address to base the search on + * @offset: The bitnumber to start searching at + * @size: The bitmap size in bits + */ extern unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, unsigned long offset); -#endif + +#ifdef CONFIG_GENERIC_FIND_FIRST_BIT + +/** + * find_first_bit - find the first set bit in a memory region + * @addr: The address to start the search at + * @size: The maximum size to search + * + * Returns the bit number of the first set bit. + */ +extern unsigned long find_first_bit(const unsigned long *addr, + unsigned long size); + +/** + * find_first_zero_bit - find the first cleared bit in a memory region + * @addr: The address to start the search at + * @size: The maximum size to search + * + * Returns the bit number of the first cleared bit. + */ +extern unsigned long find_first_zero_bit(const unsigned long *addr, + unsigned long size); +#else /* CONFIG_GENERIC_FIND_FIRST_BIT */ #define find_first_bit(addr, size) find_next_bit((addr), (size), 0) #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) +#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */ + #endif /*_ASM_GENERIC_BITOPS_FIND_H_ */ diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h index a70b2d2bfc1..0fc16e3f0bf 100644 --- a/include/asm-generic/fcntl.h +++ b/include/asm-generic/fcntl.h @@ -122,7 +122,7 @@ struct f_owner_ex { int type; - pid_t pid; + __kernel_pid_t pid; }; /* for F_[GET|SET]FL */ diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 118601fce92..3577ca11a0b 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -19,7 +19,9 @@ #include <asm-generic/iomap.h> #endif +#ifndef mmiowb #define mmiowb() do {} while (0) +#endif /*****************************************************************************/ /* @@ -28,39 +30,51 @@ * differently. On the simple architectures, we just read/write the * memory location directly. */ +#ifndef __raw_readb static inline u8 __raw_readb(const volatile void __iomem *addr) { return *(const volatile u8 __force *) addr; } +#endif +#ifndef __raw_readw static inline u16 __raw_readw(const volatile void __iomem *addr) { return *(const volatile u16 __force *) addr; } +#endif +#ifndef __raw_readl static inline u32 __raw_readl(const volatile void __iomem *addr) { return *(const volatile u32 __force *) addr; } +#endif #define readb __raw_readb #define readw(addr) __le16_to_cpu(__raw_readw(addr)) #define readl(addr) __le32_to_cpu(__raw_readl(addr)) +#ifndef __raw_writeb static inline void __raw_writeb(u8 b, volatile void __iomem *addr) { *(volatile u8 __force *) addr = b; } +#endif +#ifndef __raw_writew static inline void __raw_writew(u16 b, volatile void __iomem *addr) { *(volatile u16 __force *) addr = b; } +#endif +#ifndef __raw_writel static inline void __raw_writel(u32 b, volatile void __iomem *addr) { *(volatile u32 __force *) addr = b; } +#endif #define writeb __raw_writeb #define writew(b,addr) __raw_writew(__cpu_to_le16(b),addr) @@ -122,6 +136,7 @@ static inline void outl(u32 b, unsigned long addr) #define outw_p(x, addr) outw((x), (addr)) #define outl_p(x, addr) outl((x), (addr)) +#ifndef insb static inline void insb(unsigned long addr, void *buffer, int count) { if (count) { @@ -132,7 +147,9 @@ static inline void insb(unsigned long addr, void *buffer, int count) } while (--count); } } +#endif +#ifndef insw static inline void insw(unsigned long addr, void *buffer, int count) { if (count) { @@ -143,7 +160,9 @@ static inline void insw(unsigned long addr, void *buffer, int count) } while (--count); } } +#endif +#ifndef insl static inline void insl(unsigned long addr, void *buffer, int count) { if (count) { @@ -154,7 +173,9 @@ static inline void insl(unsigned long addr, void *buffer, int count) } while (--count); } } +#endif +#ifndef outsb static inline void outsb(unsigned long addr, const void *buffer, int count) { if (count) { @@ -164,7 +185,9 @@ static inline void outsb(unsigned long addr, const void *buffer, int count) } while (--count); } } +#endif +#ifndef outsw static inline void outsw(unsigned long addr, const void *buffer, int count) { if (count) { @@ -174,7 +197,9 @@ static inline void outsw(unsigned long addr, const void *buffer, int count) } while (--count); } } +#endif +#ifndef outsl static inline void outsl(unsigned long addr, const void *buffer, int count) { if (count) { @@ -184,6 +209,7 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) } while (--count); } } +#endif #ifndef CONFIG_GENERIC_IOMAP #define ioread8(addr) readb(addr) diff --git a/include/asm-generic/kdebug.h b/include/asm-generic/kdebug.h index 11e57b6a85f..d1814497bcd 100644 --- a/include/asm-generic/kdebug.h +++ b/include/asm-generic/kdebug.h @@ -3,7 +3,7 @@ enum die_val { DIE_UNUSED, - DIE_OOPS=1 + DIE_OOPS = 1, }; #endif /* _ASM_GENERIC_KDEBUG_H */ diff --git a/include/asm-generic/system.h b/include/asm-generic/system.h index efa403b5e12..4b0b9cbbfae 100644 --- a/include/asm-generic/system.h +++ b/include/asm-generic/system.h @@ -21,6 +21,7 @@ #include <linux/irqflags.h> #include <asm/cmpxchg-local.h> +#include <asm/cmpxchg.h> struct task_struct; @@ -136,25 +137,6 @@ unsigned long __xchg(unsigned long x, volatile void *ptr, int size) #define xchg(ptr, x) \ ((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) -static inline unsigned long __cmpxchg(volatile unsigned long *m, - unsigned long old, unsigned long new) -{ - unsigned long retval; - unsigned long flags; - - local_irq_save(flags); - retval = *m; - if (retval == old) - *m = new; - local_irq_restore(flags); - return retval; -} - -#define cmpxchg(ptr, o, n) \ - ((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr), \ - (unsigned long)(o), \ - (unsigned long)(n))) - #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/include/linux/bitops.h b/include/linux/bitops.h index fc68053378c..827cc95711e 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -136,28 +136,6 @@ static inline unsigned long __ffs64(u64 word) } #ifdef __KERNEL__ -#ifdef CONFIG_GENERIC_FIND_FIRST_BIT - -/** - * find_first_bit - find the first set bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit number of the first set bit. - */ -extern unsigned long find_first_bit(const unsigned long *addr, - unsigned long size); - -/** - * find_first_zero_bit - find the first cleared bit in a memory region - * @addr: The address to start the search at - * @size: The maximum size to search - * - * Returns the bit number of the first cleared bit. - */ -extern unsigned long find_first_zero_bit(const unsigned long *addr, - unsigned long size); -#endif /* CONFIG_GENERIC_FIND_FIRST_BIT */ #ifdef CONFIG_GENERIC_FIND_LAST_BIT /** @@ -171,28 +149,5 @@ extern unsigned long find_last_bit(const unsigned long *addr, unsigned long size); #endif /* CONFIG_GENERIC_FIND_LAST_BIT */ -#ifdef CONFIG_GENERIC_FIND_NEXT_BIT - -/** - * find_next_bit - find the next set bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The bitmap size in bits - */ -extern unsigned long find_next_bit(const unsigned long *addr, - unsigned long size, unsigned long offset); - -/** - * find_next_zero_bit - find the next cleared bit in a memory region - * @addr: The address to base the search on - * @offset: The bitnumber to start searching at - * @size: The bitmap size in bits - */ - -extern unsigned long find_next_zero_bit(const unsigned long *addr, - unsigned long size, - unsigned long offset); - -#endif /* CONFIG_GENERIC_FIND_NEXT_BIT */ #endif /* __KERNEL__ */ #endif |