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| /* SPDX-License-Identifier: GPL-2.0 */
| #ifndef __ASM_SH_FUTEX_IRQ_H
| #define __ASM_SH_FUTEX_IRQ_H
|
| static inline int atomic_futex_op_cmpxchg_inatomic(u32 *uval,
| u32 __user *uaddr,
| u32 oldval, u32 newval)
| {
| unsigned long flags;
| int ret;
| u32 prev = 0;
|
| local_irq_save(flags);
|
| ret = get_user(prev, uaddr);
| if (!ret && oldval == prev)
| ret = put_user(newval, uaddr);
|
| local_irq_restore(flags);
|
| *uval = prev;
| return ret;
| }
|
| #endif /* __ASM_SH_FUTEX_IRQ_H */
|
|
