[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / arch / arm64 / include / asm / asm-uaccess.h

#ifndef __ASM_ASM_UACCESS_H
#define __ASM_ASM_UACCESS_H

/*
 * Remove the address tag from a virtual address, if present.
 */
	.macro	clear_address_tag, dst, addr
	tst	\addr, #(1 << 55)
	bic	\dst, \addr, #(0xff << 56)
	csel	\dst, \dst, \addr, eq
	.endm

#endif
Commit	Line	Data
3ccf6956 KM	1	#ifndef __ASM_ASM_UACCESS_H
	2	#define __ASM_ASM_UACCESS_H
	3
	4	/*
	5	* Remove the address tag from a virtual address, if present.
	6	*/
	7	.macro clear_address_tag, dst, addr
	8	tst \addr, #(1 << 55)
	9	bic \dst, \addr, #(0xff << 56)
	10	csel \dst, \dst, \addr, eq
	11	.endm
	12
	13	#endif