maccess.c File Reference

#include <linux/export.h>
#include <linux/mm.h>
#include <linux/uaccess.h>

Go to the source code of this file.

Functions
long __weak	probe_kernel_read (void *dst, const void *src, size_t size) __attribute__((alias("__probe_kernel_read")))
long	__probe_kernel_read (void *dst, const void *src, size_t size)
	EXPORT_SYMBOL_GPL (probe_kernel_read)
long __weak	probe_kernel_write (void *dst, const void *src, size_t size) __attribute__((alias("__probe_kernel_write")))
long	__probe_kernel_write (void *dst, const void *src, size_t size)
	EXPORT_SYMBOL_GPL (probe_kernel_write)

Function Documentation

long __probe_kernel_read	(	void *	dst,
		const void *	src,
		size_t	size
	)

Definition at line 21 of file maccess.c.

long __probe_kernel_write	(	void *	dst,
		const void *	src,
		size_t	size
	)

Definition at line 49 of file maccess.c.

EXPORT_SYMBOL_GPL

(

probe_kernel_read

)

EXPORT_SYMBOL_GPL

(

probe_kernel_write

)

long __weak probe_kernel_read	(	void *	dst,
		const void *	src,
		size_t	size
	)

probe_kernel_read(): safely attempt to read from a location : pointer to the buffer that shall take the data : address to read from : size of the data chunk

Safely read from address to the buffer at . If a kernel fault happens, handle that and return -EFAULT.

Definition at line 19 of file maccess.c.

long __weak probe_kernel_write	(	void *	dst,
		const void *	src,
		size_t	size
	)

probe_kernel_write(): safely attempt to write to a location : address to write to : pointer to the data that shall be written : size of the data chunk

Safely write to address from the buffer at . If a kernel fault happens, handle that and return -EFAULT.

Definition at line 58 of file maccess.c.