diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/atomic.h | 12 | ||||
| -rw-r--r-- | include/linux/kernel.h | 2 | ||||
| -rw-r--r-- | include/linux/mean_and_variance.h | 2 | ||||
| -rw-r--r-- | include/linux/wait.h | 1 |
4 files changed, 16 insertions, 1 deletions
diff --git a/include/linux/atomic.h b/include/linux/atomic.h index 38a364c0..a9852fa1 100644 --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -54,6 +54,8 @@ typedef struct { #define __ATOMIC_ADD_RETURN_RELEASE(v, p) \ __atomic_add_fetch(p, v, __ATOMIC_RELEASE) #define __ATOMIC_SUB_RETURN(v, p) __atomic_sub_fetch(p, v, __ATOMIC_RELAXED) +#define __ATOMIC_SUB_RETURN_RELEASE(v, p) \ + __atomic_sub_fetch(p, v, __ATOMIC_RELEASE) #define xchg(p, v) __atomic_exchange_n(p, v, __ATOMIC_SEQ_CST) #define xchg_acquire(p, v) __atomic_exchange_n(p, v, __ATOMIC_ACQUIRE) @@ -123,6 +125,11 @@ do { \ ({ smp_mb__before_atomic(); __ATOMIC_ADD_RETURN(i, v); }) #endif +#ifndef __ATOMIC_SUB_RETURN_RELEASE +#define __ATOMIC_SUB_RETURN_RELEASE(i, v) \ + ({ smp_mb__before_atomic(); __ATOMIC_SUB_RETURN(i, v); }) +#endif + #ifndef __ATOMIC_SUB #define __ATOMIC_SUB(i, v) __ATOMIC_SUB_RETURN(i, v) #endif @@ -164,6 +171,11 @@ static inline i_type a_type##_add_return_release(i_type i, a_type##_t *v)\ return __ATOMIC_ADD_RETURN_RELEASE(i, &v->counter); \ } \ \ +static inline i_type a_type##_sub_return_release(i_type i, a_type##_t *v)\ +{ \ + return __ATOMIC_SUB_RETURN_RELEASE(i, &v->counter); \ +} \ + \ static inline i_type a_type##_sub_return(i_type i, a_type##_t *v) \ { \ return __ATOMIC_SUB_RETURN(i, &v->counter); \ diff --git a/include/linux/kernel.h b/include/linux/kernel.h index d31b5f56..b2c1751c 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -229,6 +229,8 @@ static inline int __must_check kstrtos32(const char *s, unsigned int base, s32 * } struct printbuf; +extern void prt_u64(struct printbuf *out, u64 num); + extern __printf(2, 0) void prt_vprintf(struct printbuf *out, const char *fmt, va_list args); extern __printf(2, 3) void prt_printf(struct printbuf *out, const char *fmt, ...); diff --git a/include/linux/mean_and_variance.h b/include/linux/mean_and_variance.h index 3d62abe7..cbac6ac8 100644 --- a/include/linux/mean_and_variance.h +++ b/include/linux/mean_and_variance.h @@ -155,7 +155,7 @@ struct mean_and_variance_weighted { u64 variance; }; -inline s64 fast_divpow2(s64 n, u8 d); +s64 fast_divpow2(s64 n, u8 d); struct mean_and_variance mean_and_variance_update(struct mean_and_variance s1, s64 v1); s64 mean_and_variance_get_mean(struct mean_and_variance s); diff --git a/include/linux/wait.h b/include/linux/wait.h index d1d33e67..d30fb10d 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -24,6 +24,7 @@ typedef struct { } wait_queue_head_t; void wake_up(wait_queue_head_t *); +void wake_up_all(wait_queue_head_t *); void prepare_to_wait(wait_queue_head_t *q, wait_queue_t *wait, int state); void finish_wait(wait_queue_head_t *q, wait_queue_t *wait); int autoremove_wake_function(wait_queue_t *wait, unsigned mode, int sync, void *key); |