include/asm/uaccess_64.h

1 /* SPDX-License-Identifier: GPL-2.0 */
10 #include <linux/kasan-checks.h>
22 	 * Refer tlbstate_untag_mask directly to avoid RIP-relative relocation  in __untagged_addr()
42 	return addr & (mm)->context.untag_mask;  in __untagged_addr_remote()
60  * User pointers can have tag bits on x86-64.  This scheme tolerates
68  * and will GP-fault even with LAM enabled if the sign bit is set (see
73  * exact boundary at the sign bit, and we can allow a lot of slop on the
79  * hit the GP faults for non-canonical accesses before we ever get
102 rep_movs_alternative(void *to, const void *from, unsigned len);
105 copy_user_generic(void *to, const void *from, unsigned long len)  in copy_user_generic()  argument
118 		:"+c" (len), "+D" (to), "+S" (from), ASM_CALL_CONSTRAINT  in copy_user_generic()
121 	return len;  in copy_user_generic()
163 rep_stos_alternative(void __user *addr, unsigned long len);