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-rw-r--r--arch/m32r/include/asm/pgtable-2level.h4
-rw-r--r--arch/m32r/include/asm/pgtable.h13
-rw-r--r--arch/m32r/include/asm/thread_info.h5
-rw-r--r--arch/m32r/include/asm/uaccess.h88
4 files changed, 45 insertions, 65 deletions
diff --git a/arch/m32r/include/asm/pgtable-2level.h b/arch/m32r/include/asm/pgtable-2level.h
index 9cdaf7350ef6..8fd8ee70266a 100644
--- a/arch/m32r/include/asm/pgtable-2level.h
+++ b/arch/m32r/include/asm/pgtable-2level.h
@@ -70,9 +70,5 @@ static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address)
#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
#define pfn_pmd(pfn, prot) __pmd(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
-#define PTE_FILE_MAX_BITS 29
-#define pte_to_pgoff(pte) (((pte_val(pte) >> 2) & 0x7f) | (((pte_val(pte) >> 10)) << 7))
-#define pgoff_to_pte(off) ((pte_t) { (((off) & 0x7f) << 2) | (((off) >> 7) << 10) | _PAGE_FILE })
-
#endif /* __KERNEL__ */
#endif /* _ASM_M32R_PGTABLE_2LEVEL_H */
diff --git a/arch/m32r/include/asm/pgtable.h b/arch/m32r/include/asm/pgtable.h
index 103ce6710f07..8c1fb902a9ce 100644
--- a/arch/m32r/include/asm/pgtable.h
+++ b/arch/m32r/include/asm/pgtable.h
@@ -53,7 +53,7 @@ extern unsigned long empty_zero_page[1024];
#define PGDIR_MASK (~(PGDIR_SIZE - 1))
#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)
-#define FIRST_USER_ADDRESS 0
+#define FIRST_USER_ADDRESS 0UL
#ifndef __ASSEMBLY__
/* Just any arbitrary offset to the start of the vmalloc VM area: the
@@ -80,8 +80,6 @@ extern unsigned long empty_zero_page[1024];
*/
#define _PAGE_BIT_DIRTY 0 /* software: page changed */
-#define _PAGE_BIT_FILE 0 /* when !present: nonlinear file
- mapping */
#define _PAGE_BIT_PRESENT 1 /* Valid: page is valid */
#define _PAGE_BIT_GLOBAL 2 /* Global */
#define _PAGE_BIT_LARGE 3 /* Large */
@@ -93,7 +91,6 @@ extern unsigned long empty_zero_page[1024];
#define _PAGE_BIT_PROTNONE 9 /* software: if not present */
#define _PAGE_DIRTY (1UL << _PAGE_BIT_DIRTY)
-#define _PAGE_FILE (1UL << _PAGE_BIT_FILE)
#define _PAGE_PRESENT (1UL << _PAGE_BIT_PRESENT)
#define _PAGE_GLOBAL (1UL << _PAGE_BIT_GLOBAL)
#define _PAGE_LARGE (1UL << _PAGE_BIT_LARGE)
@@ -206,14 +203,6 @@ static inline int pte_write(pte_t pte)
return pte_val(pte) & _PAGE_WRITE;
}
-/*
- * The following only works if pte_present() is not true.
- */
-static inline int pte_file(pte_t pte)
-{
- return pte_val(pte) & _PAGE_FILE;
-}
-
static inline int pte_special(pte_t pte)
{
return 0;
diff --git a/arch/m32r/include/asm/thread_info.h b/arch/m32r/include/asm/thread_info.h
index 00171703402f..32422d0211c3 100644
--- a/arch/m32r/include/asm/thread_info.h
+++ b/arch/m32r/include/asm/thread_info.h
@@ -34,7 +34,6 @@ struct thread_info {
0-0xBFFFFFFF for user-thread
0-0xFFFFFFFF for kernel-thread
*/
- struct restart_block restart_block;
__u8 supervisor_stack[0];
};
@@ -49,7 +48,6 @@ struct thread_info {
#define TI_CPU 0x00000010
#define TI_PRE_COUNT 0x00000014
#define TI_ADDR_LIMIT 0x00000018
-#define TI_RESTART_BLOCK 0x000001C
#endif
@@ -68,9 +66,6 @@ struct thread_info {
.cpu = 0, \
.preempt_count = INIT_PREEMPT_COUNT, \
.addr_limit = KERNEL_DS, \
- .restart_block = { \
- .fn = do_no_restart_syscall, \
- }, \
}
#define init_thread_info (init_thread_union.thread_info)
diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h
index 84fe7ba53035..71adff209405 100644
--- a/arch/m32r/include/asm/uaccess.h
+++ b/arch/m32r/include/asm/uaccess.h
@@ -54,7 +54,7 @@ static inline void set_fs(mm_segment_t s)
#endif /* not CONFIG_MMU */
-#define segment_eq(a,b) ((a).seg == (b).seg)
+#define segment_eq(a, b) ((a).seg == (b).seg)
#define __addr_ok(addr) \
((unsigned long)(addr) < (current_thread_info()->addr_limit.seg))
@@ -68,7 +68,7 @@ static inline void set_fs(mm_segment_t s)
*
* This needs 33-bit arithmetic. We have a carry...
*/
-#define __range_ok(addr,size) ({ \
+#define __range_ok(addr, size) ({ \
unsigned long flag, roksum; \
__chk_user_ptr(addr); \
asm ( \
@@ -103,7 +103,7 @@ static inline void set_fs(mm_segment_t s)
* this function, memory access functions may still return -EFAULT.
*/
#ifdef CONFIG_MMU
-#define access_ok(type,addr,size) (likely(__range_ok(addr,size) == 0))
+#define access_ok(type, addr, size) (likely(__range_ok(addr, size) == 0))
#else
static inline int access_ok(int type, const void *addr, unsigned long size)
{
@@ -167,8 +167,8 @@ extern int fixup_exception(struct pt_regs *regs);
* Returns zero on success, or -EFAULT on error.
* On error, the variable @x is set to zero.
*/
-#define get_user(x,ptr) \
- __get_user_check((x),(ptr),sizeof(*(ptr)))
+#define get_user(x, ptr) \
+ __get_user_check((x), (ptr), sizeof(*(ptr)))
/**
* put_user: - Write a simple value into user space.
@@ -186,8 +186,8 @@ extern int fixup_exception(struct pt_regs *regs);
*
* Returns zero on success, or -EFAULT on error.
*/
-#define put_user(x,ptr) \
- __put_user_check((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr)))
+#define put_user(x, ptr) \
+ __put_user_check((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
/**
* __get_user: - Get a simple variable from user space, with less checking.
@@ -209,41 +209,41 @@ extern int fixup_exception(struct pt_regs *regs);
* Returns zero on success, or -EFAULT on error.
* On error, the variable @x is set to zero.
*/
-#define __get_user(x,ptr) \
- __get_user_nocheck((x),(ptr),sizeof(*(ptr)))
+#define __get_user(x, ptr) \
+ __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
-#define __get_user_nocheck(x,ptr,size) \
+#define __get_user_nocheck(x, ptr, size) \
({ \
long __gu_err = 0; \
unsigned long __gu_val; \
might_fault(); \
- __get_user_size(__gu_val,(ptr),(size),__gu_err); \
- (x) = (__typeof__(*(ptr)))__gu_val; \
+ __get_user_size(__gu_val, (ptr), (size), __gu_err); \
+ (x) = (__force __typeof__(*(ptr)))__gu_val; \
__gu_err; \
})
-#define __get_user_check(x,ptr,size) \
+#define __get_user_check(x, ptr, size) \
({ \
long __gu_err = -EFAULT; \
unsigned long __gu_val = 0; \
const __typeof__(*(ptr)) __user *__gu_addr = (ptr); \
might_fault(); \
- if (access_ok(VERIFY_READ,__gu_addr,size)) \
- __get_user_size(__gu_val,__gu_addr,(size),__gu_err); \
- (x) = (__typeof__(*(ptr)))__gu_val; \
+ if (access_ok(VERIFY_READ, __gu_addr, size)) \
+ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
+ (x) = (__force __typeof__(*(ptr)))__gu_val; \
__gu_err; \
})
extern long __get_user_bad(void);
-#define __get_user_size(x,ptr,size,retval) \
+#define __get_user_size(x, ptr, size, retval) \
do { \
retval = 0; \
__chk_user_ptr(ptr); \
switch (size) { \
- case 1: __get_user_asm(x,ptr,retval,"ub"); break; \
- case 2: __get_user_asm(x,ptr,retval,"uh"); break; \
- case 4: __get_user_asm(x,ptr,retval,""); break; \
+ case 1: __get_user_asm(x, ptr, retval, "ub"); break; \
+ case 2: __get_user_asm(x, ptr, retval, "uh"); break; \
+ case 4: __get_user_asm(x, ptr, retval, ""); break; \
default: (x) = __get_user_bad(); \
} \
} while (0)
@@ -288,26 +288,26 @@ do { \
*
* Returns zero on success, or -EFAULT on error.
*/
-#define __put_user(x,ptr) \
- __put_user_nocheck((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr)))
+#define __put_user(x, ptr) \
+ __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
-#define __put_user_nocheck(x,ptr,size) \
+#define __put_user_nocheck(x, ptr, size) \
({ \
long __pu_err; \
might_fault(); \
- __put_user_size((x),(ptr),(size),__pu_err); \
+ __put_user_size((x), (ptr), (size), __pu_err); \
__pu_err; \
})
-#define __put_user_check(x,ptr,size) \
+#define __put_user_check(x, ptr, size) \
({ \
long __pu_err = -EFAULT; \
__typeof__(*(ptr)) __user *__pu_addr = (ptr); \
might_fault(); \
- if (access_ok(VERIFY_WRITE,__pu_addr,size)) \
- __put_user_size((x),__pu_addr,(size),__pu_err); \
+ if (access_ok(VERIFY_WRITE, __pu_addr, size)) \
+ __put_user_size((x), __pu_addr, (size), __pu_err); \
__pu_err; \
})
@@ -366,15 +366,15 @@ do { \
extern void __put_user_bad(void);
-#define __put_user_size(x,ptr,size,retval) \
+#define __put_user_size(x, ptr, size, retval) \
do { \
retval = 0; \
__chk_user_ptr(ptr); \
switch (size) { \
- case 1: __put_user_asm(x,ptr,retval,"b"); break; \
- case 2: __put_user_asm(x,ptr,retval,"h"); break; \
- case 4: __put_user_asm(x,ptr,retval,""); break; \
- case 8: __put_user_u64((__typeof__(*ptr))(x),ptr,retval); break;\
+ case 1: __put_user_asm(x, ptr, retval, "b"); break; \
+ case 2: __put_user_asm(x, ptr, retval, "h"); break; \
+ case 4: __put_user_asm(x, ptr, retval, ""); break; \
+ case 8: __put_user_u64((__typeof__(*ptr))(x), ptr, retval); break;\
default: __put_user_bad(); \
} \
} while (0)
@@ -421,7 +421,7 @@ struct __large_struct { unsigned long buf[100]; };
/* Generic arbitrary sized copy. */
/* Return the number of bytes NOT copied. */
-#define __copy_user(to,from,size) \
+#define __copy_user(to, from, size) \
do { \
unsigned long __dst, __src, __c; \
__asm__ __volatile__ ( \
@@ -478,7 +478,7 @@ do { \
: "r14", "memory"); \
} while (0)
-#define __copy_user_zeroing(to,from,size) \
+#define __copy_user_zeroing(to, from, size) \
do { \
unsigned long __dst, __src, __c; \
__asm__ __volatile__ ( \
@@ -548,14 +548,14 @@ do { \
static inline unsigned long __generic_copy_from_user_nocheck(void *to,
const void __user *from, unsigned long n)
{
- __copy_user_zeroing(to,from,n);
+ __copy_user_zeroing(to, from, n);
return n;
}
static inline unsigned long __generic_copy_to_user_nocheck(void __user *to,
const void *from, unsigned long n)
{
- __copy_user(to,from,n);
+ __copy_user(to, from, n);
return n;
}
@@ -576,8 +576,8 @@ unsigned long __generic_copy_from_user(void *, const void __user *, unsigned lon
* Returns number of bytes that could not be copied.
* On success, this will be zero.
*/
-#define __copy_to_user(to,from,n) \
- __generic_copy_to_user_nocheck((to),(from),(n))
+#define __copy_to_user(to, from, n) \
+ __generic_copy_to_user_nocheck((to), (from), (n))
#define __copy_to_user_inatomic __copy_to_user
#define __copy_from_user_inatomic __copy_from_user
@@ -595,10 +595,10 @@ unsigned long __generic_copy_from_user(void *, const void __user *, unsigned lon
* Returns number of bytes that could not be copied.
* On success, this will be zero.
*/
-#define copy_to_user(to,from,n) \
+#define copy_to_user(to, from, n) \
({ \
might_fault(); \
- __generic_copy_to_user((to),(from),(n)); \
+ __generic_copy_to_user((to), (from), (n)); \
})
/**
@@ -617,8 +617,8 @@ unsigned long __generic_copy_from_user(void *, const void __user *, unsigned lon
* If some data could not be copied, this function will pad the copied
* data to the requested size using zero bytes.
*/
-#define __copy_from_user(to,from,n) \
- __generic_copy_from_user_nocheck((to),(from),(n))
+#define __copy_from_user(to, from, n) \
+ __generic_copy_from_user_nocheck((to), (from), (n))
/**
* copy_from_user: - Copy a block of data from user space.
@@ -636,10 +636,10 @@ unsigned long __generic_copy_from_user(void *, const void __user *, unsigned lon
* If some data could not be copied, this function will pad the copied
* data to the requested size using zero bytes.
*/
-#define copy_from_user(to,from,n) \
+#define copy_from_user(to, from, n) \
({ \
might_fault(); \
- __generic_copy_from_user((to),(from),(n)); \
+ __generic_copy_from_user((to), (from), (n)); \
})
long __must_check strncpy_from_user(char *dst, const char __user *src,
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-06 14:20:43 +0300