Reference

__copy_to_user_inatomic(9)

Copy a block of data into user space, with less checking.

NAME

__copy_to_user_inatomic - Copy a block of data into user space, with less checking.

SYNOPSIS

unsigned long __copy_to_user_inatomic(void __user * to, const void * from, unsigned long n);

ARGUMENTS

to

Destination address, in user space.

from

Source address, in kernel space.

n

Number of bytes to copy.

CONTEXT

User context only.

DESCRIPTION

Copy data from kernel space to user space. Caller must check the specified block with access_ok before calling this function. The caller should also make sure he pins the user space address so that we don't result in page fault and sleep.

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