diff options
Diffstat (limited to 'include/asm-generic/futex.h')
| -rw-r--r-- | include/asm-generic/futex.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h index 3ae2c734754..01f227e1425 100644 --- a/include/asm-generic/futex.h +++ b/include/asm-generic/futex.h @@ -1,14 +1,12 @@ #ifndef _ASM_GENERIC_FUTEX_H #define _ASM_GENERIC_FUTEX_H -#ifdef __KERNEL__ - #include <linux/futex.h> +#include <linux/uaccess.h> #include <asm/errno.h> -#include <asm/uaccess.h> static inline int -futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -18,10 +16,10 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) + if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; - inc_preempt_count(); + pagefault_disable(); switch (op) { case FUTEX_OP_SET: @@ -33,7 +31,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) ret = -ENOSYS; } - dec_preempt_count(); + pagefault_enable(); if (!ret) { switch (cmp) { @@ -49,5 +47,11 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) return ret; } -#endif +static inline int +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) +{ + return -ENOSYS; +} + #endif |