diff options
Diffstat (limited to 'include/asm-x86_64')
| -rw-r--r-- | include/asm-x86_64/atomic.h | 1 | ||||
| -rw-r--r-- | include/asm-x86_64/bitops.h | 27 | ||||
| -rw-r--r-- | include/asm-x86_64/cacheflush.h | 4 | ||||
| -rw-r--r-- | include/asm-x86_64/mman.h | 1 | ||||
| -rw-r--r-- | include/asm-x86_64/mpspec.h | 2 | ||||
| -rw-r--r-- | include/asm-x86_64/pgtable.h | 2 | ||||
| -rw-r--r-- | include/asm-x86_64/system.h | 2 |
7 files changed, 38 insertions, 1 deletions
diff --git a/include/asm-x86_64/atomic.h b/include/asm-x86_64/atomic.h index 50db9f39274..72eb071488c 100644 --- a/include/asm-x86_64/atomic.h +++ b/include/asm-x86_64/atomic.h @@ -424,4 +424,5 @@ __asm__ __volatile__(LOCK "orl %0,%1" \ #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() +#include <asm-generic/atomic.h> #endif diff --git a/include/asm-x86_64/bitops.h b/include/asm-x86_64/bitops.h index 05a0d374404..a4d5d090945 100644 --- a/include/asm-x86_64/bitops.h +++ b/include/asm-x86_64/bitops.h @@ -340,6 +340,20 @@ static __inline__ unsigned long __ffs(unsigned long word) return word; } +/* + * __fls: find last bit set. + * @word: The word to search + * + * Undefined if no zero exists, so code should check against ~0UL first. + */ +static __inline__ unsigned long __fls(unsigned long word) +{ + __asm__("bsrq %1,%0" + :"=r" (word) + :"rm" (word)); + return word; +} + #ifdef __KERNEL__ static inline int sched_find_first_bit(const unsigned long *b) @@ -370,6 +384,19 @@ static __inline__ int ffs(int x) } /** + * fls64 - find last bit set in 64 bit word + * @x: the word to search + * + * This is defined the same way as fls. + */ +static __inline__ int fls64(__u64 x) +{ + if (x == 0) + return 0; + return __fls(x) + 1; +} + +/** * hweightN - returns the hamming weight of a N-bit word * @x: the word to weigh * diff --git a/include/asm-x86_64/cacheflush.h b/include/asm-x86_64/cacheflush.h index b3189fb229d..d32f7f58752 100644 --- a/include/asm-x86_64/cacheflush.h +++ b/include/asm-x86_64/cacheflush.h @@ -27,4 +27,8 @@ void global_flush_tlb(void); int change_page_attr(struct page *page, int numpages, pgprot_t prot); int change_page_attr_addr(unsigned long addr, int numpages, pgprot_t prot); +#ifdef CONFIG_DEBUG_RODATA +void mark_rodata_ro(void); +#endif + #endif /* _X8664_CACHEFLUSH_H */ diff --git a/include/asm-x86_64/mman.h b/include/asm-x86_64/mman.h index 78e60a4fd4e..d0e97b74f73 100644 --- a/include/asm-x86_64/mman.h +++ b/include/asm-x86_64/mman.h @@ -36,6 +36,7 @@ #define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */ #define MADV_WILLNEED 0x3 /* pre-fault pages */ #define MADV_DONTNEED 0x4 /* discard these pages */ +#define MADV_REMOVE 0x5 /* remove these pages & resources */ /* compatibility flags */ #define MAP_ANON MAP_ANONYMOUS diff --git a/include/asm-x86_64/mpspec.h b/include/asm-x86_64/mpspec.h index 6f8a17d105a..10248a9a058 100644 --- a/include/asm-x86_64/mpspec.h +++ b/include/asm-x86_64/mpspec.h @@ -76,7 +76,7 @@ struct mpc_config_bus { unsigned char mpc_type; unsigned char mpc_busid; - unsigned char mpc_bustype[6] __attribute((packed)); + unsigned char mpc_bustype[6]; }; /* List of Bus Type string values, Intel MP Spec. */ diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index ecf58c7c165..02888d7a496 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -122,6 +122,8 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long #define pte_same(a, b) ((a).pte == (b).pte) +#define pte_pgprot(a) (__pgprot((a).pte & ~PHYSICAL_PAGE_MASK)) + #define PMD_SIZE (1UL << PMD_SHIFT) #define PMD_MASK (~(PMD_SIZE-1)) #define PUD_SIZE (1UL << PUD_SHIFT) diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h index 85348e02ad2..b34cc2ee222 100644 --- a/include/asm-x86_64/system.h +++ b/include/asm-x86_64/system.h @@ -315,6 +315,8 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old, #define local_irq_enable() __asm__ __volatile__("sti": : :"memory") /* used in the idle loop; sti takes one instruction cycle to complete */ #define safe_halt() __asm__ __volatile__("sti; hlt": : :"memory") +/* used when interrupts are already enabled or to shutdown the processor */ +#define halt() __asm__ __volatile__("hlt": : :"memory") #define irqs_disabled() \ ({ \ |