diff options
Diffstat (limited to 'include/asm-alpha')
-rw-r--r-- | include/asm-alpha/atomic.h | 14 | ||||
-rw-r--r-- | include/asm-alpha/auxvec.h | 24 | ||||
-rw-r--r-- | include/asm-alpha/barrier.h | 36 | ||||
-rw-r--r-- | include/asm-alpha/compiler.h | 5 | ||||
-rw-r--r-- | include/asm-alpha/dma-mapping.h | 2 | ||||
-rw-r--r-- | include/asm-alpha/elf.h | 22 | ||||
-rw-r--r-- | include/asm-alpha/fcntl.h | 35 | ||||
-rw-r--r-- | include/asm-alpha/futex.h | 53 | ||||
-rw-r--r-- | include/asm-alpha/hdreg.h | 1 | ||||
-rw-r--r-- | include/asm-alpha/page.h | 16 | ||||
-rw-r--r-- | include/asm-alpha/pci.h | 16 | ||||
-rw-r--r-- | include/asm-alpha/pgtable.h | 7 | ||||
-rw-r--r-- | include/asm-alpha/rwsem.h | 5 | ||||
-rw-r--r-- | include/asm-alpha/semaphore.h | 3 | ||||
-rw-r--r-- | include/asm-alpha/socket.h | 2 | ||||
-rw-r--r-- | include/asm-alpha/spinlock.h | 96 | ||||
-rw-r--r-- | include/asm-alpha/spinlock_types.h | 20 | ||||
-rw-r--r-- | include/asm-alpha/system.h | 60 | ||||
-rw-r--r-- | include/asm-alpha/types.h | 2 | ||||
-rw-r--r-- | include/asm-alpha/uaccess.h | 6 |
20 files changed, 217 insertions, 208 deletions
diff --git a/include/asm-alpha/atomic.h b/include/asm-alpha/atomic.h index 1b383e3cb68c..20ac3d95ecd9 100644 --- a/include/asm-alpha/atomic.h +++ b/include/asm-alpha/atomic.h @@ -1,6 +1,8 @@ #ifndef _ALPHA_ATOMIC_H #define _ALPHA_ATOMIC_H +#include <asm/barrier.h> + /* * Atomic operations that C can't guarantee us. Useful for * resource counting etc... @@ -100,18 +102,19 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v) static __inline__ long atomic_add_return(int i, atomic_t * v) { long temp, result; + smp_mb(); __asm__ __volatile__( "1: ldl_l %0,%1\n" " addl %0,%3,%2\n" " addl %0,%3,%0\n" " stl_c %0,%1\n" " beq %0,2f\n" - " mb\n" ".subsection 2\n" "2: br 1b\n" ".previous" :"=&r" (temp), "=m" (v->counter), "=&r" (result) :"Ir" (i), "m" (v->counter) : "memory"); + smp_mb(); return result; } @@ -120,54 +123,57 @@ static __inline__ long atomic_add_return(int i, atomic_t * v) static __inline__ long atomic64_add_return(long i, atomic64_t * v) { long temp, result; + smp_mb(); __asm__ __volatile__( "1: ldq_l %0,%1\n" " addq %0,%3,%2\n" " addq %0,%3,%0\n" " stq_c %0,%1\n" " beq %0,2f\n" - " mb\n" ".subsection 2\n" "2: br 1b\n" ".previous" :"=&r" (temp), "=m" (v->counter), "=&r" (result) :"Ir" (i), "m" (v->counter) : "memory"); + smp_mb(); return result; } static __inline__ long atomic_sub_return(int i, atomic_t * v) { long temp, result; + smp_mb(); __asm__ __volatile__( "1: ldl_l %0,%1\n" " subl %0,%3,%2\n" " subl %0,%3,%0\n" " stl_c %0,%1\n" " beq %0,2f\n" - " mb\n" ".subsection 2\n" "2: br 1b\n" ".previous" :"=&r" (temp), "=m" (v->counter), "=&r" (result) :"Ir" (i), "m" (v->counter) : "memory"); + smp_mb(); return result; } static __inline__ long atomic64_sub_return(long i, atomic64_t * v) { long temp, result; + smp_mb(); __asm__ __volatile__( "1: ldq_l %0,%1\n" " subq %0,%3,%2\n" " subq %0,%3,%0\n" " stq_c %0,%1\n" " beq %0,2f\n" - " mb\n" ".subsection 2\n" "2: br 1b\n" ".previous" :"=&r" (temp), "=m" (v->counter), "=&r" (result) :"Ir" (i), "m" (v->counter) : "memory"); + smp_mb(); return result; } diff --git a/include/asm-alpha/auxvec.h b/include/asm-alpha/auxvec.h new file mode 100644 index 000000000000..e96fe880e310 --- /dev/null +++ b/include/asm-alpha/auxvec.h @@ -0,0 +1,24 @@ +#ifndef __ASM_ALPHA_AUXVEC_H +#define __ASM_ALPHA_AUXVEC_H + +/* Reserve these numbers for any future use of a VDSO. */ +#if 0 +#define AT_SYSINFO 32 +#define AT_SYSINFO_EHDR 33 +#endif + +/* More complete cache descriptions than AT_[DIU]CACHEBSIZE. If the + value is -1, then the cache doesn't exist. Otherwise: + + bit 0-3: Cache set-associativity; 0 means fully associative. + bit 4-7: Log2 of cacheline size. + bit 8-31: Size of the entire cache >> 8. + bit 32-63: Reserved. +*/ + +#define AT_L1I_CACHESHAPE 34 +#define AT_L1D_CACHESHAPE 35 +#define AT_L2_CACHESHAPE 36 +#define AT_L3_CACHESHAPE 37 + +#endif /* __ASM_ALPHA_AUXVEC_H */ diff --git a/include/asm-alpha/barrier.h b/include/asm-alpha/barrier.h new file mode 100644 index 000000000000..681ff581afa5 --- /dev/null +++ b/include/asm-alpha/barrier.h @@ -0,0 +1,36 @@ +#ifndef __BARRIER_H +#define __BARRIER_H + +#include <asm/compiler.h> + +#define mb() \ +__asm__ __volatile__("mb": : :"memory") + +#define rmb() \ +__asm__ __volatile__("mb": : :"memory") + +#define wmb() \ +__asm__ __volatile__("wmb": : :"memory") + +#define read_barrier_depends() \ +__asm__ __volatile__("mb": : :"memory") + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#define smp_read_barrier_depends() barrier() +#endif + +#define set_mb(var, value) \ +do { var = value; mb(); } while (0) + +#define set_wmb(var, value) \ +do { var = value; wmb(); } while (0) + +#endif /* __BARRIER_H */ diff --git a/include/asm-alpha/compiler.h b/include/asm-alpha/compiler.h index 399c33b7be51..0a4a8b40dfcd 100644 --- a/include/asm-alpha/compiler.h +++ b/include/asm-alpha/compiler.h @@ -98,6 +98,9 @@ #undef inline #undef __inline__ #undef __inline - +#if __GNUC__ == 3 && __GNUC_MINOR__ >= 1 || __GNUC__ > 3 +#undef __always_inline +#define __always_inline inline __attribute__((always_inline)) +#endif #endif /* __ALPHA_COMPILER_H */ diff --git a/include/asm-alpha/dma-mapping.h b/include/asm-alpha/dma-mapping.h index c675f282d6ad..680f7ecbb28f 100644 --- a/include/asm-alpha/dma-mapping.h +++ b/include/asm-alpha/dma-mapping.h @@ -31,7 +31,7 @@ #else /* no PCI - no IOMMU. */ void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, int gfp); + dma_addr_t *dma_handle, gfp_t gfp); int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction); diff --git a/include/asm-alpha/elf.h b/include/asm-alpha/elf.h index e94a945a2314..6c2d78fba264 100644 --- a/include/asm-alpha/elf.h +++ b/include/asm-alpha/elf.h @@ -1,6 +1,8 @@ #ifndef __ASM_ALPHA_ELF_H #define __ASM_ALPHA_ELF_H +#include <asm/auxvec.h> + /* Special values for the st_other field in the symbol table. */ #define STO_ALPHA_NOPV 0x80 @@ -142,26 +144,6 @@ extern int dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task); : amask (AMASK_CIX) ? "ev6" : "ev67"); \ }) -/* Reserve these numbers for any future use of a VDSO. */ -#if 0 -#define AT_SYSINFO 32 -#define AT_SYSINFO_EHDR 33 -#endif - -/* More complete cache descriptions than AT_[DIU]CACHEBSIZE. If the - value is -1, then the cache doesn't exist. Otherwise: - - bit 0-3: Cache set-associativity; 0 means fully associative. - bit 4-7: Log2 of cacheline size. - bit 8-31: Size of the entire cache >> 8. - bit 32-63: Reserved. -*/ - -#define AT_L1I_CACHESHAPE 34 -#define AT_L1D_CACHESHAPE 35 -#define AT_L2_CACHESHAPE 36 -#define AT_L3_CACHESHAPE 37 - #ifdef __KERNEL__ #define SET_PERSONALITY(EX, IBCS2) \ diff --git a/include/asm-alpha/fcntl.h b/include/asm-alpha/fcntl.h index 6b7d6c1649ce..87f2cf459e26 100644 --- a/include/asm-alpha/fcntl.h +++ b/include/asm-alpha/fcntl.h @@ -3,10 +3,6 @@ /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ -#define O_ACCMODE 0003 -#define O_RDONLY 00 -#define O_WRONLY 01 -#define O_RDWR 02 #define O_CREAT 01000 /* not fcntl */ #define O_TRUNC 02000 /* not fcntl */ #define O_EXCL 04000 /* not fcntl */ @@ -14,20 +10,13 @@ #define O_NONBLOCK 00004 #define O_APPEND 00010 -#define O_NDELAY O_NONBLOCK #define O_SYNC 040000 -#define FASYNC 020000 /* fcntl, for BSD compatibility */ #define O_DIRECTORY 0100000 /* must be a directory */ #define O_NOFOLLOW 0200000 /* don't follow links */ #define O_LARGEFILE 0400000 /* will be set by the kernel on every open */ #define O_DIRECT 02000000 /* direct disk access - should check with OSF/1 */ #define O_NOATIME 04000000 -#define F_DUPFD 0 /* dup */ -#define F_GETFD 1 /* get close_on_exec */ -#define F_SETFD 2 /* set/clear close_on_exec */ -#define F_GETFL 3 /* get file->f_flags */ -#define F_SETFL 4 /* set file->f_flags */ #define F_GETLK 7 #define F_SETLK 8 #define F_SETLKW 9 @@ -37,9 +26,6 @@ #define F_SETSIG 10 /* for sockets. */ #define F_GETSIG 11 /* for sockets. */ -/* for F_[GET|SET]FL */ -#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ - /* for posix fcntl() and lockf() */ #define F_RDLCK 1 #define F_WRLCK 2 @@ -51,25 +37,6 @@ #define F_INPROGRESS 64 -/* operations for bsd flock(), also used by the kernel implementation */ -#define LOCK_SH 1 /* shared lock */ -#define LOCK_EX 2 /* exclusive lock */ -#define LOCK_NB 4 /* or'd with one of the above to prevent - blocking */ -#define LOCK_UN 8 /* remove lock */ -#define LOCK_MAND 32 /* This is a mandatory flock */ -#define LOCK_READ 64 /* ... Which allows concurrent read operations */ -#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ -#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ - -struct flock { - short l_type; - short l_whence; - __kernel_off_t l_start; - __kernel_off_t l_len; - __kernel_pid_t l_pid; -}; - -#define F_LINUX_SPECIFIC_BASE 1024 +#include <asm-generic/fcntl.h> #endif diff --git a/include/asm-alpha/futex.h b/include/asm-alpha/futex.h new file mode 100644 index 000000000000..9feff4ce1424 --- /dev/null +++ b/include/asm-alpha/futex.h @@ -0,0 +1,53 @@ +#ifndef _ASM_FUTEX_H +#define _ASM_FUTEX_H + +#ifdef __KERNEL__ + +#include <linux/futex.h> +#include <asm/errno.h> +#include <asm/uaccess.h> + +static inline int +futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +{ + int op = (encoded_op >> 28) & 7; + int cmp = (encoded_op >> 24) & 15; + int oparg = (encoded_op << 8) >> 20; + int cmparg = (encoded_op << 20) >> 20; + int oldval = 0, ret; + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) + oparg = 1 << oparg; + + if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + inc_preempt_count(); + + switch (op) { + case FUTEX_OP_SET: + case FUTEX_OP_ADD: + case FUTEX_OP_OR: + case FUTEX_OP_ANDN: + case FUTEX_OP_XOR: + default: + ret = -ENOSYS; + } + + dec_preempt_count(); + + if (!ret) { + switch (cmp) { + case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; + case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; + case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; + case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; + case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; + case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; + default: ret = -ENOSYS; + } + } + return ret; +} + +#endif +#endif diff --git a/include/asm-alpha/hdreg.h b/include/asm-alpha/hdreg.h deleted file mode 100644 index 7f7fd1af0af3..000000000000 --- a/include/asm-alpha/hdreg.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/hdreg.h> diff --git a/include/asm-alpha/page.h b/include/asm-alpha/page.h index 0577daffc720..fa0b41b164a7 100644 --- a/include/asm-alpha/page.h +++ b/include/asm-alpha/page.h @@ -63,20 +63,6 @@ typedef unsigned long pgprot_t; #endif /* STRICT_MM_TYPECHECKS */ -/* Pure 2^n version of get_order */ -extern __inline__ int get_order(unsigned long size) -{ - int order; - - size = (size-1) >> (PAGE_SHIFT-1); - order = -1; - do { - size >>= 1; - order++; - } while (size); - return order; -} - #ifdef USE_48_BIT_KSEG #define PAGE_OFFSET 0xffff800000000000UL #else @@ -112,4 +98,6 @@ extern __inline__ int get_order(unsigned long size) #endif /* __KERNEL__ */ +#include <asm-generic/page.h> + #endif /* _ALPHA_PAGE_H */ diff --git a/include/asm-alpha/pci.h b/include/asm-alpha/pci.h index 28957697e59c..4e115f368d5f 100644 --- a/include/asm-alpha/pci.h +++ b/include/asm-alpha/pci.h @@ -251,6 +251,22 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) extern void pcibios_resource_to_bus(struct pci_dev *, struct pci_bus_region *, struct resource *); +extern void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, + struct pci_bus_region *region); + +static inline struct resource * +pcibios_select_root(struct pci_dev *pdev, struct resource *res) +{ + struct resource *root = NULL; + + if (res->flags & IORESOURCE_IO) + root = &ioport_resource; + if (res->flags & IORESOURCE_MEM) + root = &iomem_resource; + + return root; +} + #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index static inline int pci_proc_domain(struct pci_bus *bus) diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h index 22b53e369f59..8393bf374b2b 100644 --- a/include/asm-alpha/pgtable.h +++ b/include/asm-alpha/pgtable.h @@ -339,13 +339,6 @@ extern inline pte_t mk_swap_pte(unsigned long type, unsigned long offset) #define kern_addr_valid(addr) (1) #endif -#define io_remap_page_range(vma, start, busaddr, size, prot) \ -({ \ - void *va = (void __force *)ioremap(busaddr, size); \ - unsigned long pfn = virt_to_phys(va) >> PAGE_SHIFT; \ - remap_pfn_range(vma, start, pfn, size, prot); \ -}) - #define io_remap_pfn_range(vma, start, pfn, size, prot) \ remap_pfn_range(vma, start, pfn, size, prot) diff --git a/include/asm-alpha/rwsem.h b/include/asm-alpha/rwsem.h index 8e058a67c9a4..fafdd4f7010a 100644 --- a/include/asm-alpha/rwsem.h +++ b/include/asm-alpha/rwsem.h @@ -262,5 +262,10 @@ static inline long rwsem_atomic_update(long val, struct rw_semaphore *sem) #endif } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _ALPHA_RWSEM_H */ diff --git a/include/asm-alpha/semaphore.h b/include/asm-alpha/semaphore.h index eb2cbd97d404..1a6295f2c2d4 100644 --- a/include/asm-alpha/semaphore.h +++ b/include/asm-alpha/semaphore.h @@ -26,9 +26,6 @@ struct semaphore { .wait = __WAIT_QUEUE_HEAD_INITIALIZER((name).wait), \ } -#define __MUTEX_INITIALIZER(name) \ - __SEMAPHORE_INITIALIZER(name,1) - #define __DECLARE_SEMAPHORE_GENERIC(name,count) \ struct semaphore name = __SEMAPHORE_INITIALIZER(name,count) diff --git a/include/asm-alpha/socket.h b/include/asm-alpha/socket.h index d00259d3dc78..b5193229132a 100644 --- a/include/asm-alpha/socket.h +++ b/include/asm-alpha/socket.h @@ -25,6 +25,8 @@ #define SO_ERROR 0x1007 #define SO_SNDBUF 0x1001 #define SO_RCVBUF 0x1002 +#define SO_SNDBUFFORCE 0x100a +#define SO_RCVBUFFORCE 0x100b #define SO_RCVLOWAT 0x1010 #define SO_SNDLOWAT 0x1011 #define SO_RCVTIMEO 0x1012 diff --git a/include/asm-alpha/spinlock.h b/include/asm-alpha/spinlock.h index 80780dba9986..8197c69eff44 100644 --- a/include/asm-alpha/spinlock.h +++ b/include/asm-alpha/spinlock.h @@ -6,7 +6,6 @@ #include <linux/kernel.h> #include <asm/current.h> - /* * Simple spin lock operations. There are two variants, one clears IRQ's * on the local processor, one does not. @@ -14,43 +13,18 @@ * We make no fairness assumptions. They have a cost. */ -typedef struct { - volatile unsigned int lock; -#ifdef CONFIG_DEBUG_SPINLOCK - int on_cpu; - int line_no; - void *previous; - struct task_struct * task; - const char *base_file; -#endif -} spinlock_t; - -#ifdef CONFIG_DEBUG_SPINLOCK -#define SPIN_LOCK_UNLOCKED (spinlock_t){ 0, -1, 0, NULL, NULL, NULL } -#else -#define SPIN_LOCK_UNLOCKED (spinlock_t){ 0 } -#endif - -#define spin_lock_init(x) do { *(x) = SPIN_LOCK_UNLOCKED; } while(0) -#define spin_is_locked(x) ((x)->lock != 0) -#define spin_unlock_wait(x) do { barrier(); } while ((x)->lock) - -#ifdef CONFIG_DEBUG_SPINLOCK -extern void _raw_spin_unlock(spinlock_t * lock); -extern void debug_spin_lock(spinlock_t * lock, const char *, int); -extern int debug_spin_trylock(spinlock_t * lock, const char *, int); -#define _raw_spin_lock(LOCK) \ - debug_spin_lock(LOCK, __BASE_FILE__, __LINE__) -#define _raw_spin_trylock(LOCK) \ - debug_spin_trylock(LOCK, __BASE_FILE__, __LINE__) -#else -static inline void _raw_spin_unlock(spinlock_t * lock) +#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) +#define __raw_spin_is_locked(x) ((x)->lock != 0) +#define __raw_spin_unlock_wait(x) \ + do { cpu_relax(); } while ((x)->lock) + +static inline void __raw_spin_unlock(raw_spinlock_t * lock) { mb(); lock->lock = 0; } -static inline void _raw_spin_lock(spinlock_t * lock) +static inline void __raw_spin_lock(raw_spinlock_t * lock) { long tmp; @@ -70,80 +44,64 @@ static inline void _raw_spin_lock(spinlock_t * lock) : "m"(lock->lock) : "memory"); } -static inline int _raw_spin_trylock(spinlock_t *lock) +static inline int __raw_spin_trylock(raw_spinlock_t *lock) { return !test_and_set_bit(0, &lock->lock); } -#endif /* CONFIG_DEBUG_SPINLOCK */ - -#define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock) /***********************************************************/ -typedef struct { - volatile unsigned int lock; -} rwlock_t; - -#define RW_LOCK_UNLOCKED (rwlock_t){ 0 } - -#define rwlock_init(x) do { *(x) = RW_LOCK_UNLOCKED; } while(0) - -static inline int read_can_lock(rwlock_t *lock) +static inline int __raw_read_can_lock(raw_rwlock_t *lock) { return (lock->lock & 1) == 0; } -static inline int write_can_lock(rwlock_t *lock) +static inline int __raw_write_can_lock(raw_rwlock_t *lock) { return lock->lock == 0; } -#ifdef CONFIG_DEBUG_RWLOCK -extern void _raw_write_lock(rwlock_t * lock); -extern void _raw_read_lock(rwlock_t * lock); -#else -static inline void _raw_write_lock(rwlock_t * lock) +static inline void __raw_read_lock(raw_rwlock_t *lock) { long regx; __asm__ __volatile__( "1: ldl_l %1,%0\n" - " bne %1,6f\n" - " lda %1,1\n" + " blbs %1,6f\n" + " subl %1,2,%1\n" " stl_c %1,%0\n" " beq %1,6f\n" " mb\n" ".subsection 2\n" "6: ldl %1,%0\n" - " bne %1,6b\n" + " blbs %1,6b\n" " br 1b\n" ".previous" : "=m" (*lock), "=&r" (regx) : "m" (*lock) : "memory"); } -static inline void _raw_read_lock(rwlock_t * lock) +static inline void __raw_write_lock(raw_rwlock_t *lock) { long regx; __asm__ __volatile__( "1: ldl_l %1,%0\n" - " blbs %1,6f\n" - " subl %1,2,%1\n" + " bne %1,6f\n" + " lda %1,1\n" " stl_c %1,%0\n" " beq %1,6f\n" " mb\n" ".subsection 2\n" "6: ldl %1,%0\n" - " blbs %1,6b\n" + " bne %1,6b\n" " br 1b\n" ".previous" : "=m" (*lock), "=&r" (regx) : "m" (*lock) : "memory"); } -#endif /* CONFIG_DEBUG_RWLOCK */ -static inline int _raw_read_trylock(rwlock_t * lock) +static inline int __raw_read_trylock(raw_rwlock_t * lock) { long regx; int success; @@ -165,7 +123,7 @@ static inline int _raw_read_trylock(rwlock_t * lock) return success; } -static inline int _raw_write_trylock(rwlock_t * lock) +static inline int __raw_write_trylock(raw_rwlock_t * lock) { long regx; int success; @@ -187,13 +145,7 @@ static inline int _raw_write_trylock(rwlock_t * lock) return success; } -static inline void _raw_write_unlock(rwlock_t * lock) -{ - mb(); - lock->lock = 0; -} - -static inline void _raw_read_unlock(rwlock_t * lock) +static inline void __raw_read_unlock(raw_rwlock_t * lock) { long regx; __asm__ __volatile__( @@ -209,4 +161,10 @@ static inline void _raw_read_unlock(rwlock_t * lock) : "m" (*lock) : "memory"); } +static inline void __raw_write_unlock(raw_rwlock_t * lock) +{ + mb(); + lock->lock = 0; +} + #endif /* _ALPHA_SPINLOCK_H */ diff --git a/include/asm-alpha/spinlock_types.h b/include/asm-alpha/spinlock_types.h new file mode 100644 index 000000000000..8141eb5ebf0d --- /dev/null +++ b/include/asm-alpha/spinlock_types.h @@ -0,0 +1,20 @@ +#ifndef _ALPHA_SPINLOCK_TYPES_H +#define _ALPHA_SPINLOCK_TYPES_H + +#ifndef __LINUX_SPINLOCK_TYPES_H +# error "please don't include this file directly" +#endif + +typedef struct { + volatile unsigned int lock; +} raw_spinlock_t; + +#define __RAW_SPIN_LOCK_UNLOCKED { 0 } + +typedef struct { + volatile unsigned int lock; +} raw_rwlock_t; + +#define __RAW_RW_LOCK_UNLOCKED { 0 } + +#endif diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h index c08ce970ff8c..050e86d12891 100644 --- a/include/asm-alpha/system.h +++ b/include/asm-alpha/system.h @@ -4,6 +4,7 @@ #include <linux/config.h> #include <asm/pal.h> #include <asm/page.h> +#include <asm/barrier.h> /* * System defines.. Note that this is included both from .c and .S @@ -139,36 +140,6 @@ extern void halt(void) __attribute__((noreturn)); struct task_struct; extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*); -#define mb() \ -__asm__ __volatile__("mb": : :"memory") - -#define rmb() \ -__asm__ __volatile__("mb": : :"memory") - -#define wmb() \ -__asm__ __volatile__("wmb": : :"memory") - -#define read_barrier_depends() \ -__asm__ __volatile__("mb": : :"memory") - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#else -#define smp_mb() barrier() -#define smp_rmb() barrier() -#define smp_wmb() barrier() -#define smp_read_barrier_depends() barrier() -#endif - -#define set_mb(var, value) \ -do { var = value; mb(); } while (0) - -#define set_wmb(var, value) \ -do { var = value; wmb(); } while (0) - #define imb() \ __asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory") @@ -443,22 +414,19 @@ __xchg_u64(volatile long *m, unsigned long val) if something tries to do an invalid xchg(). */ extern void __xchg_called_with_bad_pointer(void); -static inline unsigned long -__xchg(volatile void *ptr, unsigned long x, int size) -{ - switch (size) { - case 1: - return __xchg_u8(ptr, x); - case 2: - return __xchg_u16(ptr, x); - case 4: - return __xchg_u32(ptr, x); - case 8: - return __xchg_u64(ptr, x); - } - __xchg_called_with_bad_pointer(); - return x; -} +#define __xchg(ptr, x, size) \ +({ \ + unsigned long __xchg__res; \ + volatile void *__xchg__ptr = (ptr); \ + switch (size) { \ + case 1: __xchg__res = __xchg_u8(__xchg__ptr, x); break; \ + case 2: __xchg__res = __xchg_u16(__xchg__ptr, x); break; \ + case 4: __xchg__res = __xchg_u32(__xchg__ptr, x); break; \ + case 8: __xchg__res = __xchg_u64(__xchg__ptr, x); break; \ + default: __xchg_called_with_bad_pointer(); __xchg__res = x; \ + } \ + __xchg__res; \ +}) #define xchg(ptr,x) \ ({ \ diff --git a/include/asm-alpha/types.h b/include/asm-alpha/types.h index 43264d219246..f5716139ec89 100644 --- a/include/asm-alpha/types.h +++ b/include/asm-alpha/types.h @@ -56,8 +56,6 @@ typedef unsigned long u64; typedef u64 dma_addr_t; typedef u64 dma64_addr_t; -typedef unsigned short kmem_bufctl_t; - #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ #endif /* _ALPHA_TYPES_H */ diff --git a/include/asm-alpha/uaccess.h b/include/asm-alpha/uaccess.h index 4c39ee750f38..22de3b434a22 100644 --- a/include/asm-alpha/uaccess.h +++ b/include/asm-alpha/uaccess.h @@ -48,12 +48,6 @@ __access_ok(((unsigned long)(addr)),(size),get_fs()); \ }) -/* this function will go away soon - use access_ok() instead */ -extern inline int __deprecated verify_area(int type, const void __user * addr, unsigned long size) -{ - return access_ok(type,addr,size) ? 0 : -EFAULT; -} - /* * These are the main single-value transfer routines. They automatically * use the right size if we just have the right pointer type. |