diff options
| -rw-r--r-- | include/asm-i386/futex.h | 2 | ||||
| -rw-r--r-- | include/asm-um/futex.h | 51 |
2 files changed, 6 insertions, 47 deletions
diff --git a/include/asm-i386/futex.h b/include/asm-i386/futex.h index 44b9db80647..e7a271d3930 100644 --- a/include/asm-i386/futex.h +++ b/include/asm-i386/futex.h @@ -61,7 +61,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) if (op == FUTEX_OP_SET) __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg); else { -#ifndef CONFIG_X86_BSWAP +#if !defined(CONFIG_X86_BSWAP) && !defined(CONFIG_UML) if (boot_cpu_data.x86 == 3) ret = -ENOSYS; else diff --git a/include/asm-um/futex.h b/include/asm-um/futex.h index 2cac5ecd9d0..142ee2d8e0f 100644 --- a/include/asm-um/futex.h +++ b/include/asm-um/futex.h @@ -1,53 +1,12 @@ -#ifndef _ASM_FUTEX_H -#define _ASM_FUTEX_H - -#ifdef __KERNEL__ +#ifndef __UM_FUTEX_H +#define __UM_FUTEX_H #include <linux/futex.h> #include <asm/errno.h> +#include <asm/system.h> +#include <asm/processor.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, tem; - 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; - } +#include "asm/arch/futex.h" - 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 |