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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_UACCESS_H
#define _ASM_UACCESS_H

#include <linux/string.h>

static inline __must_check unsigned long
raw_copy_from_user(void *to, const void __user * from, unsigned long n)
{
	if (__builtin_constant_p(n)) {
		switch(n) {
		case 1:
			*(u8 *)to = *(u8 __force *)from;
			return 0;
		case 2:
			*(u16 *)to = *(u16 __force *)from;
			return 0;
		case 4:
			*(u32 *)to = *(u32 __force *)from;
			return 0;
		}
	}

	memcpy(to, (const void __force *)from, n);
	return 0;
}

static inline __must_check unsigned long
raw_copy_to_user(void __user *to, const void *from, unsigned long n)
{
	if (__builtin_constant_p(n)) {
		switch(n) {
		case 1:
			*(u8 __force *)to = *(u8 *)from;
			return 0;
		case 2:
			*(u16 __force *)to = *(u16 *)from;
			return 0;
		case 4:
			*(u32 __force *)to = *(u32 *)from;
			return 0;
		default:
			break;
		}
	}

	memcpy((void __force *)to, from, n);
	return 0;
}
#define INLINE_COPY_FROM_USER
#define INLINE_COPY_TO_USER

#include <asm-generic/uaccess.h>

#endif

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Name Type Size Permission Actions
Kbuild File 1.13 KB 0644
atomic.h File 2.47 KB 0644
bitops.h File 4.45 KB 0644
bug.h File 263 B 0644
byteorder.h File 148 B 0644
cache.h File 281 B 0644
cmpxchg.h File 1.49 KB 0644
dma-mapping.h File 269 B 0644
elf.h File 2.66 KB 0644
flat.h File 1.1 KB 0644
hash.h File 1.63 KB 0644
io.h File 1.44 KB 0644
irq.h File 555 B 0644
irqflags.h File 1.88 KB 0644
kgdb.h File 1.04 KB 0644
page.h File 485 B 0644
page_offset.h File 37 B 0644
pci.h File 421 B 0644
pgtable.h File 1.7 KB 0644
processor.h File 3.17 KB 0644
ptrace.h File 1.03 KB 0644
segment.h File 886 B 0644
signal.h File 520 B 0644
smp.h File 32 B 0644
string.h File 389 B 0644
switch_to.h File 1.72 KB 0644
syscall.h File 1.03 KB 0644
thread_info.h File 3.26 KB 0644
tlb.h File 166 B 0644
traps.h File 1.06 KB 0644
uaccess.h File 1.02 KB 0644
user.h File 3.34 KB 0644