summaryrefslogtreecommitdiff
path: root/arch/avr32
diff options
context:
space:
mode:
Diffstat (limited to 'arch/avr32')
-rw-r--r--arch/avr32/Kconfig1
-rw-r--r--arch/avr32/include/asm/Kbuild1
-rw-r--r--arch/avr32/include/asm/pgtable-2level.h1
-rw-r--r--arch/avr32/include/asm/uaccess.h33
-rw-r--r--arch/avr32/kernel/avr32_ksyms.c2
-rw-r--r--arch/avr32/lib/copy_user.S15
-rw-r--r--arch/avr32/oprofile/backtrace.c2
7 files changed, 11 insertions, 44 deletions
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index 7e75d45e20cd..8c349f2a9ebb 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -19,6 +19,7 @@ config AVR32
select HAVE_MOD_ARCH_SPECIFIC
select MODULES_USE_ELF_RELA
select HAVE_NMI
+ select ARCH_HAS_RAW_COPY_USER
help
AVR32 is a high-performance 32-bit RISC microprocessor core,
designed for cost-sensitive embedded applications, with particular
diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild
index 3d7ef2c17a7c..ff7d7393b25c 100644
--- a/arch/avr32/include/asm/Kbuild
+++ b/arch/avr32/include/asm/Kbuild
@@ -5,6 +5,7 @@ generic-y += device.h
generic-y += div64.h
generic-y += emergency-restart.h
generic-y += exec.h
+generic-y += extable.h
generic-y += futex.h
generic-y += irq_regs.h
generic-y += irq_work.h
diff --git a/arch/avr32/include/asm/pgtable-2level.h b/arch/avr32/include/asm/pgtable-2level.h
index 425dd567b5b9..d5b1c63993ec 100644
--- a/arch/avr32/include/asm/pgtable-2level.h
+++ b/arch/avr32/include/asm/pgtable-2level.h
@@ -8,6 +8,7 @@
#ifndef __ASM_AVR32_PGTABLE_2LEVEL_H
#define __ASM_AVR32_PGTABLE_2LEVEL_H
+#define __ARCH_USE_5LEVEL_HACK
#include <asm-generic/pgtable-nopmd.h>
/*
diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h
index 7ca5cb33369b..619d50e843a5 100644
--- a/arch/avr32/include/asm/uaccess.h
+++ b/arch/avr32/include/asm/uaccess.h
@@ -66,34 +66,18 @@ static inline void set_fs(mm_segment_t s)
extern __kernel_size_t __copy_user(void *to, const void *from,
__kernel_size_t n);
-extern __kernel_size_t copy_to_user(void __user *to, const void *from,
- __kernel_size_t n);
-extern __kernel_size_t ___copy_from_user(void *to, const void __user *from,
- __kernel_size_t n);
-
-static inline __kernel_size_t __copy_to_user(void __user *to, const void *from,
- __kernel_size_t n)
+static inline unsigned long
+raw_copy_to_user(void __user *to, const void *from, unsigned long n)
{
return __copy_user((void __force *)to, from, n);
}
-static inline __kernel_size_t __copy_from_user(void *to,
- const void __user *from,
- __kernel_size_t n)
+static inline unsigned long
+raw_copy_from_user(void *to, const void __user *from, unsigned long n)
{
return __copy_user(to, (const void __force *)from, n);
}
-static inline __kernel_size_t copy_from_user(void *to,
- const void __user *from,
- __kernel_size_t n)
-{
- size_t res = ___copy_from_user(to, from, n);
- if (unlikely(res))
- memset(to + (n - res), 0, res);
- return res;
-}
-
-#define __copy_to_user_inatomic __copy_to_user
-#define __copy_from_user_inatomic __copy_from_user
+#define INLINE_COPY_FROM_USER
+#define INLINE_COPY_TO_USER
/*
* put_user: - Write a simple value into user space.
@@ -323,9 +307,6 @@ extern long __strnlen_user(const char __user *__s, long __n);
#define strlen_user(s) strnlen_user(s, ~0UL >> 1)
-struct exception_table_entry
-{
- unsigned long insn, fixup;
-};
+#include <asm/extable.h>
#endif /* __ASM_AVR32_UACCESS_H */
diff --git a/arch/avr32/kernel/avr32_ksyms.c b/arch/avr32/kernel/avr32_ksyms.c
index 0d05fd095468..0cdae8eb0220 100644
--- a/arch/avr32/kernel/avr32_ksyms.c
+++ b/arch/avr32/kernel/avr32_ksyms.c
@@ -36,8 +36,6 @@ EXPORT_SYMBOL(copy_page);
/*
* Userspace access stuff.
*/
-EXPORT_SYMBOL(___copy_from_user);
-EXPORT_SYMBOL(copy_to_user);
EXPORT_SYMBOL(__copy_user);
EXPORT_SYMBOL(strncpy_from_user);
EXPORT_SYMBOL(__strncpy_from_user);
diff --git a/arch/avr32/lib/copy_user.S b/arch/avr32/lib/copy_user.S
index 075373471da1..f43275796a0c 100644
--- a/arch/avr32/lib/copy_user.S
+++ b/arch/avr32/lib/copy_user.S
@@ -23,21 +23,6 @@
*/
.text
.align 1
- .global ___copy_from_user
- .type ___copy_from_user, @function
-___copy_from_user:
- branch_if_kernel r8, __copy_user
- ret_if_privileged r8, r11, r10, r10
- rjmp __copy_user
- .size ___copy_from_user, . - ___copy_from_user
-
- .global copy_to_user
- .type copy_to_user, @function
-copy_to_user:
- branch_if_kernel r8, __copy_user
- ret_if_privileged r8, r12, r10, r10
- .size copy_to_user, . - copy_to_user
-
.global __copy_user
.type __copy_user, @function
__copy_user:
diff --git a/arch/avr32/oprofile/backtrace.c b/arch/avr32/oprofile/backtrace.c
index 75d9ad6f99cf..29cf2f191bfd 100644
--- a/arch/avr32/oprofile/backtrace.c
+++ b/arch/avr32/oprofile/backtrace.c
@@ -14,7 +14,7 @@
*/
#include <linux/oprofile.h>
-#include <linux/sched.h>
+#include <linux/ptrace.h>
#include <linux/uaccess.h>
/* The first two words of each frame on the stack look like this if we have