kolibrios-fun/drivers/include/linux/uaccess.h
Sergey Semyonov (Serge) 66fbaa74b0 ddk: v4.6.7
git-svn-id: svn://kolibrios.org@7143 a494cfbc-eb01-0410-851d-a64ba20cac60
2018-02-02 14:53:42 +00:00

37 lines
872 B
C

#ifndef __LINUX_UACCESS_H__
#define __LINUX_UACCESS_H__
#include <linux/sched.h>
#include <asm/uaccess.h>
/*
* These routines enable/disable the pagefault handler. If disabled, it will
* not take any locks and go straight to the fixup table.
*
* User access methods will not sleep when called from a pagefault_disabled()
* environment.
*/
static inline void pagefault_disable(void)
{
}
static inline void pagefault_enable(void)
{
}
#ifndef ARCH_HAS_NOCACHE_UACCESS
static inline unsigned long __copy_from_user_inatomic_nocache(void *to,
const void __user *from, unsigned long n)
{
return __copy_from_user_inatomic(to, from, n);
}
static inline unsigned long __copy_from_user_nocache(void *to,
const void __user *from, unsigned long n)
{
return __copy_from_user(to, from, n);
}
#endif /* ARCH_HAS_NOCACHE_UACCESS */
#endif /* __LINUX_UACCESS_H__ */