mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
e839ca5287
Disintegrate asm/system.h for SH. Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-sh@vger.kernel.org
111 lines
1.8 KiB
C
111 lines
1.8 KiB
C
#ifndef __ASM_SH_FUTEX_IRQ_H
|
|
#define __ASM_SH_FUTEX_IRQ_H
|
|
|
|
|
|
static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr,
|
|
int *oldval)
|
|
{
|
|
unsigned long flags;
|
|
int ret;
|
|
|
|
local_irq_save(flags);
|
|
|
|
ret = get_user(*oldval, uaddr);
|
|
if (!ret)
|
|
ret = put_user(oparg, uaddr);
|
|
|
|
local_irq_restore(flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline int atomic_futex_op_xchg_add(int oparg, u32 __user *uaddr,
|
|
int *oldval)
|
|
{
|
|
unsigned long flags;
|
|
int ret;
|
|
|
|
local_irq_save(flags);
|
|
|
|
ret = get_user(*oldval, uaddr);
|
|
if (!ret)
|
|
ret = put_user(*oldval + oparg, uaddr);
|
|
|
|
local_irq_restore(flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline int atomic_futex_op_xchg_or(int oparg, u32 __user *uaddr,
|
|
int *oldval)
|
|
{
|
|
unsigned long flags;
|
|
int ret;
|
|
|
|
local_irq_save(flags);
|
|
|
|
ret = get_user(*oldval, uaddr);
|
|
if (!ret)
|
|
ret = put_user(*oldval | oparg, uaddr);
|
|
|
|
local_irq_restore(flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline int atomic_futex_op_xchg_and(int oparg, u32 __user *uaddr,
|
|
int *oldval)
|
|
{
|
|
unsigned long flags;
|
|
int ret;
|
|
|
|
local_irq_save(flags);
|
|
|
|
ret = get_user(*oldval, uaddr);
|
|
if (!ret)
|
|
ret = put_user(*oldval & oparg, uaddr);
|
|
|
|
local_irq_restore(flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static inline int atomic_futex_op_xchg_xor(int oparg, u32 __user *uaddr,
|
|
int *oldval)
|
|
{
|
|
unsigned long flags;
|
|
int ret;
|
|
|
|
local_irq_save(flags);
|
|
|
|
ret = get_user(*oldval, uaddr);
|
|
if (!ret)
|
|
ret = put_user(*oldval ^ oparg, uaddr);
|
|
|
|
local_irq_restore(flags);
|
|
|
|
return ret;
|
|
}
|
|
|
|
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 */
|