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Merge branches 'uaccess.alpha', 'uaccess.arc', 'uaccess.arm', 'uaccess.arm64', 'uaccess.avr32', 'uaccess.bfin', 'uaccess.c6x', 'uaccess.cris', 'uaccess.frv', 'uaccess.h8300', 'uaccess.hexagon', 'uaccess.ia64', 'uaccess.m32r', 'uaccess.m68k', 'uaccess.metag', 'uaccess.microblaze', 'uaccess.mips', 'uaccess.mn10300', 'uaccess.nios2', 'uaccess.openrisc', 'uaccess.parisc', 'uaccess.powerpc', 'uaccess.s390', 'uaccess.score', 'uaccess.sh', 'uaccess.sparc', 'uaccess.tile', 'uaccess.um', 'uaccess.unicore32', 'uaccess.x86' and 'uaccess.xtensa' into work.uaccess

Browse source
This commit is contained in:
Al Viro 2017-04-26 12:06:59 -04:00
commit eea86b637a
1311 changed files with 18197 additions and 12582 deletions
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1
arch/arc/Kconfig
View file

@ -44,6 +44,7 @@ config ARC
select HAVE_GENERIC_DMA_COHERENT
select HAVE_KERNEL_GZIP
select HAVE_KERNEL_LZMA
select ARCH_HAS_RAW_COPY_USER
config MIGHT_HAVE_PCI
bool

1
arch/arc/include/asm/Kbuild
View file

@ -6,6 +6,7 @@ generic-y += device.h
generic-y += div64.h
generic-y += emergency-restart.h
generic-y += errno.h
generic-y += extable.h
generic-y += fb.h
generic-y += fcntl.h
generic-y += ftrace.h

1
arch/arc/include/asm/hugepage.h
View file

@ -11,6 +11,7 @@
#define _ASM_ARC_HUGEPAGE_H
#include <linux/types.h>
#define __ARCH_USE_5LEVEL_HACK
#include <asm-generic/pgtable-nopmd.h>
static inline pte_t pmd_pte(pmd_t pmd)

1
arch/arc/include/asm/pgtable.h
View file

@ -37,6 +37,7 @@
#include <asm/page.h>
#include <asm/mmu.h>
#define __ARCH_USE_5LEVEL_HACK
#include <asm-generic/pgtable-nopmd.h>
#include <linux/const.h>

25
arch/arc/include/asm/uaccess.h
View file

@ -24,12 +24,10 @@
#ifndef _ASM_ARC_UACCESS_H
#define _ASM_ARC_UACCESS_H
#include <linux/sched.h>
#include <asm/errno.h>
#include <linux/string.h> /* for generic string functions */
#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
#define __kernel_ok (uaccess_kernel())
/*
* Algorithmically, for __user_ok() we want do:
@ -170,7 +168,7 @@
static inline unsigned long
__arc_copy_from_user(void *to, const void __user *from, unsigned long n)
raw_copy_from_user(void *to, const void __user *from, unsigned long n)
{
long res = 0;
char val;
@ -396,11 +394,8 @@ __arc_copy_from_user(void *to, const void __user *from, unsigned long n)
return res;
}
extern unsigned long slowpath_copy_to_user(void __user *to, const void *from,
unsigned long n);
static inline unsigned long
__arc_copy_to_user(void __user *to, const void *from, unsigned long n)
raw_copy_to_user(void __user *to, const void *from, unsigned long n)
{
long res = 0;
char val;
@ -726,24 +721,20 @@ static inline long __arc_strnlen_user(const char __user *s, long n)
}
#ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE
#define __copy_from_user(t, f, n) __arc_copy_from_user(t, f, n)
#define __copy_to_user(t, f, n) __arc_copy_to_user(t, f, n)
#define INLINE_COPY_TO_USER
#define INLINE_COPY_FROM_USER
#define __clear_user(d, n) __arc_clear_user(d, n)
#define __strncpy_from_user(d, s, n) __arc_strncpy_from_user(d, s, n)
#define __strnlen_user(s, n) __arc_strnlen_user(s, n)
#else
extern long arc_copy_from_user_noinline(void *to, const void __user * from,
unsigned long n);
extern long arc_copy_to_user_noinline(void __user *to, const void *from,
unsigned long n);
extern unsigned long arc_clear_user_noinline(void __user *to,
unsigned long n);
extern long arc_strncpy_from_user_noinline (char *dst, const char __user *src,
long count);
extern long arc_strnlen_user_noinline(const char __user *src, long n);
#define __copy_from_user(t, f, n) arc_copy_from_user_noinline(t, f, n)
#define __copy_to_user(t, f, n) arc_copy_to_user_noinline(t, f, n)
#define __clear_user(d, n) arc_clear_user_noinline(d, n)
#define __strncpy_from_user(d, s, n) arc_strncpy_from_user_noinline(d, s, n)
#define __strnlen_user(s, n) arc_strnlen_user_noinline(s, n)
@ -752,6 +743,4 @@ extern long arc_strnlen_user_noinline(const char __user *src, long n);
#include <asm-generic/uaccess.h>
extern int fixup_exception(struct pt_regs *regs);
#endif

14
arch/arc/mm/extable.c
View file

@ -28,20 +28,6 @@ int fixup_exception(struct pt_regs *regs)
#ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
long arc_copy_from_user_noinline(void *to, const void __user *from,
unsigned long n)
{
return __arc_copy_from_user(to, from, n);
}
EXPORT_SYMBOL(arc_copy_from_user_noinline);
long arc_copy_to_user_noinline(void __user *to, const void *from,
unsigned long n)
{
return __arc_copy_to_user(to, from, n);
}
EXPORT_SYMBOL(arc_copy_to_user_noinline);
unsigned long arc_clear_user_noinline(void __user *to,
unsigned long n)
{