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authorAl Viro <viro@zeniv.linux.org.uk>2017-03-21 21:43:13 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2017-03-29 01:23:59 +0300
commitf98f48ee7cd473a077f8500dbf3d0a1f9af73003 (patch)
treead5aaf12a012e38e869e49b93e3d1f50c062af4b /arch/sh
parentbcd541d9a2f43fbf08d2e909fb8247bed3dac750 (diff)
downloadlinux-f98f48ee7cd473a077f8500dbf3d0a1f9af73003.tar.xz
sh: switch to RAW_COPY_USER
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/Kconfig1
-rw-r--r--arch/sh/include/asm/uaccess.h36
2 files changed, 5 insertions, 32 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ee086958b2b2..c689645eb8b7 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -48,6 +48,7 @@ config SUPERH
select HAVE_ARCH_AUDITSYSCALL
select HAVE_FUTEX_CMPXCHG if FUTEX
select HAVE_NMI
+ select ARCH_HAS_RAW_COPY_USER
help
The SuperH is a RISC processor targeted for use in embedded systems
and consumer electronics; it was also used in the Sega Dreamcast
diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h
index 5cb0c5484efb..2722b61b2283 100644
--- a/arch/sh/include/asm/uaccess.h
+++ b/arch/sh/include/asm/uaccess.h
@@ -108,19 +108,18 @@ extern __must_check long strnlen_user(const char __user *str, long n);
__kernel_size_t __copy_user(void *to, const void *from, __kernel_size_t n);
static __always_inline unsigned long
-__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)
{
return __copy_user(to, (__force void *)from, n);
}
static __always_inline unsigned long __must_check
-__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)
{
return __copy_user((__force void *)to, from, n);
}
-
-#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
/*
* Clear the area and return remaining number of bytes
@@ -140,33 +139,6 @@ __kernel_size_t __clear_user(void *addr, __kernel_size_t size);
__cl_size; \
})
-static inline unsigned long
-copy_from_user(void *to, const void __user *from, unsigned long n)
-{
- unsigned long __copy_from = (unsigned long) from;
- __kernel_size_t __copy_size = (__kernel_size_t) n;
-
- if (__copy_size && __access_ok(__copy_from, __copy_size))
- __copy_size = __copy_user(to, from, __copy_size);
-
- if (unlikely(__copy_size))
- memset(to + (n - __copy_size), 0, __copy_size);
-
- return __copy_size;
-}
-
-static inline unsigned long
-copy_to_user(void __user *to, const void *from, unsigned long n)
-{
- unsigned long __copy_to = (unsigned long) to;
- __kernel_size_t __copy_size = (__kernel_size_t) n;
-
- if (__copy_size && __access_ok(__copy_to, __copy_size))
- return __copy_user(to, from, __copy_size);
-
- return __copy_size;
-}
-
extern void *set_exception_table_vec(unsigned int vec, void *handler);
static inline void *set_exception_table_evt(unsigned int evt, void *handler)