diff options
Diffstat (limited to 'arch/sparc/include/asm')
| -rw-r--r-- | arch/sparc/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/sparc/include/asm/head_32.h | 8 | ||||
| -rw-r--r-- | arch/sparc/include/asm/kgdb.h | 2 | ||||
| -rw-r--r-- | arch/sparc/include/asm/page_32.h | 2 | ||||
| -rw-r--r-- | arch/sparc/include/asm/pgalloc_32.h | 4 | ||||
| -rw-r--r-- | arch/sparc/include/asm/pgalloc_64.h | 6 | ||||
| -rw-r--r-- | arch/sparc/include/asm/pgtable_32.h | 2 | ||||
| -rw-r--r-- | arch/sparc/include/asm/pgtable_64.h | 2 | ||||
| -rw-r--r-- | arch/sparc/include/asm/rwsem.h | 124 |
9 files changed, 11 insertions, 140 deletions
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index e92861883..6024c26c0 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -16,6 +16,7 @@ generic-y += mm-arch-hooks.h generic-y += module.h generic-y += mutex.h generic-y += preempt.h +generic-y += rwsem.h generic-y += serial.h generic-y += trace_clock.h generic-y += types.h diff --git a/arch/sparc/include/asm/head_32.h b/arch/sparc/include/asm/head_32.h index 5f1dbe315..6fc60fd18 100644 --- a/arch/sparc/include/asm/head_32.h +++ b/arch/sparc/include/asm/head_32.h @@ -43,10 +43,10 @@ nop; #ifdef CONFIG_KGDB -#define KGDB_TRAP(num) \ - b kgdb_trap_low; \ - rd %psr,%l0; \ - nop; \ +#define KGDB_TRAP(num) \ + mov num, %l7; \ + b kgdb_trap_low; \ + rd %psr,%l0; \ nop; #else #define KGDB_TRAP(num) \ diff --git a/arch/sparc/include/asm/kgdb.h b/arch/sparc/include/asm/kgdb.h index 47366af7a..a6ad7bf84 100644 --- a/arch/sparc/include/asm/kgdb.h +++ b/arch/sparc/include/asm/kgdb.h @@ -28,10 +28,10 @@ enum regnames { #define NUMREGBYTES ((GDB_CSR + 1) * 4) #else #define NUMREGBYTES ((GDB_Y + 1) * 8) +#endif struct pt_regs; asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs); -#endif void arch_kgdb_breakpoint(void); diff --git a/arch/sparc/include/asm/page_32.h b/arch/sparc/include/asm/page_32.h index f82a1f36b..0efd0583a 100644 --- a/arch/sparc/include/asm/page_32.h +++ b/arch/sparc/include/asm/page_32.h @@ -69,7 +69,6 @@ typedef struct { unsigned long iopgprot; } iopgprot_t; #define __pte(x) ((pte_t) { (x) } ) #define __iopte(x) ((iopte_t) { (x) } ) -/* #define __pmd(x) ((pmd_t) { (x) } ) */ /* XXX procedure with loop */ #define __pgd(x) ((pgd_t) { (x) } ) #define __ctxd(x) ((ctxd_t) { (x) } ) #define __pgprot(x) ((pgprot_t) { (x) } ) @@ -97,7 +96,6 @@ typedef unsigned long iopgprot_t; #define __pte(x) (x) #define __iopte(x) (x) -/* #define __pmd(x) (x) */ /* XXX later */ #define __pgd(x) (x) #define __ctxd(x) (x) #define __pgprot(x) (x) diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h index a3890da94..0346c7e62 100644 --- a/arch/sparc/include/asm/pgalloc_32.h +++ b/arch/sparc/include/asm/pgalloc_32.h @@ -29,9 +29,9 @@ static inline void free_pgd_fast(pgd_t *pgd) static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp) { - unsigned long pa = __nocache_pa((unsigned long)pmdp); + unsigned long pa = __nocache_pa(pmdp); - set_pte((pte_t *)pgdp, (SRMMU_ET_PTD | (pa >> 4))); + set_pte((pte_t *)pgdp, __pte((SRMMU_ET_PTD | (pa >> 4)))); } #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD) diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h index 5e3187185..3529f1378 100644 --- a/arch/sparc/include/asm/pgalloc_64.h +++ b/arch/sparc/include/asm/pgalloc_64.h @@ -41,8 +41,7 @@ static inline void __pud_populate(pud_t *pud, pmd_t *pmd) static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) { - return kmem_cache_alloc(pgtable_cache, - GFP_KERNEL|__GFP_REPEAT); + return kmem_cache_alloc(pgtable_cache, GFP_KERNEL); } static inline void pud_free(struct mm_struct *mm, pud_t *pud) @@ -52,8 +51,7 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud) static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) { - return kmem_cache_alloc(pgtable_cache, - GFP_KERNEL|__GFP_REPEAT); + return kmem_cache_alloc(pgtable_cache, GFP_KERNEL); } static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index 91b963a88..ce6f56980 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -298,7 +298,7 @@ static inline pte_t mk_pte_io(unsigned long page, pgprot_t pgprot, int space) #define pgprot_noncached pgprot_noncached static inline pgprot_t pgprot_noncached(pgprot_t prot) { - prot &= ~__pgprot(SRMMU_CACHE); + pgprot_val(prot) &= ~pgprot_val(__pgprot(SRMMU_CACHE)); return prot; } diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 5a189bf3c..e7d82803a 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -697,8 +697,6 @@ static inline unsigned long pmd_trans_huge(pmd_t pmd) return pte_val(pte) & _PAGE_PMD_HUGE; } -#define has_transparent_hugepage() 1 - static inline pmd_t pmd_mkold(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); diff --git a/arch/sparc/include/asm/rwsem.h b/arch/sparc/include/asm/rwsem.h deleted file mode 100644 index 069bf4d66..000000000 --- a/arch/sparc/include/asm/rwsem.h +++ /dev/null @@ -1,124 +0,0 @@ -/* - * rwsem.h: R/W semaphores implemented using CAS - * - * Written by David S. Miller (davem@redhat.com), 2001. - * Derived from asm-i386/rwsem.h - */ -#ifndef _SPARC64_RWSEM_H -#define _SPARC64_RWSEM_H - -#ifndef _LINUX_RWSEM_H -#error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead" -#endif - -#ifdef __KERNEL__ - -#define RWSEM_UNLOCKED_VALUE 0x00000000L -#define RWSEM_ACTIVE_BIAS 0x00000001L -#define RWSEM_ACTIVE_MASK 0xffffffffL -#define RWSEM_WAITING_BIAS (-RWSEM_ACTIVE_MASK-1) -#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) - -/* - * lock for reading - */ -static inline void __down_read(struct rw_semaphore *sem) -{ - if (unlikely(atomic64_inc_return((atomic64_t *)(&sem->count)) <= 0L)) - rwsem_down_read_failed(sem); -} - -static inline int __down_read_trylock(struct rw_semaphore *sem) -{ - long tmp; - - while ((tmp = sem->count) >= 0L) { - if (tmp == cmpxchg(&sem->count, tmp, - tmp + RWSEM_ACTIVE_READ_BIAS)) { - return 1; - } - } - return 0; -} - -/* - * lock for writing - */ -static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) -{ - long tmp; - - tmp = atomic64_add_return(RWSEM_ACTIVE_WRITE_BIAS, - (atomic64_t *)(&sem->count)); - if (unlikely(tmp != RWSEM_ACTIVE_WRITE_BIAS)) - rwsem_down_write_failed(sem); -} - -static inline void __down_write(struct rw_semaphore *sem) -{ - __down_write_nested(sem, 0); -} - -static inline int __down_write_trylock(struct rw_semaphore *sem) -{ - long tmp; - - tmp = cmpxchg(&sem->count, RWSEM_UNLOCKED_VALUE, - RWSEM_ACTIVE_WRITE_BIAS); - return tmp == RWSEM_UNLOCKED_VALUE; -} - -/* - * unlock after reading - */ -static inline void __up_read(struct rw_semaphore *sem) -{ - long tmp; - - tmp = atomic64_dec_return((atomic64_t *)(&sem->count)); - if (unlikely(tmp < -1L && (tmp & RWSEM_ACTIVE_MASK) == 0L)) - rwsem_wake(sem); -} - -/* - * unlock after writing - */ -static inline void __up_write(struct rw_semaphore *sem) -{ - if (unlikely(atomic64_sub_return(RWSEM_ACTIVE_WRITE_BIAS, - (atomic64_t *)(&sem->count)) < 0L)) - rwsem_wake(sem); -} - -/* - * implement atomic add functionality - */ -static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) -{ - atomic64_add(delta, (atomic64_t *)(&sem->count)); -} - -/* - * downgrade write lock to read lock - */ -static inline void __downgrade_write(struct rw_semaphore *sem) -{ - long tmp; - - tmp = atomic64_add_return(-RWSEM_WAITING_BIAS, (atomic64_t *)(&sem->count)); - if (tmp < 0L) - rwsem_downgrade_wake(sem); -} - -/* - * implement exchange and add functionality - */ -static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) -{ - return atomic64_add_return(delta, (atomic64_t *)(&sem->count)); -} - -#endif /* __KERNEL__ */ - -#endif /* _SPARC64_RWSEM_H */ |