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-rw-r--r--arch/mn10300/include/asm/Kbuild1
-rw-r--r--arch/mn10300/include/asm/page.h1
-rw-r--r--arch/mn10300/include/asm/uaccess.h187
-rw-r--r--arch/mn10300/include/uapi/asm/socket.h6
-rw-r--r--arch/mn10300/kernel/cevt-mn10300.c2
-rw-r--r--arch/mn10300/kernel/mn10300_ksyms.c2
-rw-r--r--arch/mn10300/lib/usercopy.c18
7 files changed, 16 insertions, 201 deletions
diff --git a/arch/mn10300/include/asm/Kbuild b/arch/mn10300/include/asm/Kbuild
index 97f64c723a0c..ed810e7206e8 100644
--- a/arch/mn10300/include/asm/Kbuild
+++ b/arch/mn10300/include/asm/Kbuild
@@ -2,6 +2,7 @@
generic-y += barrier.h
generic-y += clkdev.h
generic-y += exec.h
+generic-y += extable.h
generic-y += irq_work.h
generic-y += mcs_spinlock.h
generic-y += mm-arch-hooks.h
diff --git a/arch/mn10300/include/asm/page.h b/arch/mn10300/include/asm/page.h
index 3810a6f740fd..dfe730a5ede0 100644
--- a/arch/mn10300/include/asm/page.h
+++ b/arch/mn10300/include/asm/page.h
@@ -57,6 +57,7 @@ typedef struct page *pgtable_t;
#define __pgd(x) ((pgd_t) { (x) })
#define __pgprot(x) ((pgprot_t) { (x) })
+#define __ARCH_USE_5LEVEL_HACK
#include <asm-generic/pgtable-nopmd.h>
#endif /* !__ASSEMBLY__ */
diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 2eedf6f46a57..c6966474827f 100644
--- a/arch/mn10300/include/asm/uaccess.h
+++ b/arch/mn10300/include/asm/uaccess.h
@@ -14,13 +14,8 @@
/*
* User space memory access functions
*/
-#include <linux/thread_info.h>
#include <linux/kernel.h>
#include <asm/page.h>
-#include <asm/errno.h>
-
-#define VERIFY_READ 0
-#define VERIFY_WRITE 1
/*
* The fs value determines whether argument validity checking should be
@@ -71,26 +66,7 @@ static inline int ___range_ok(unsigned long addr, unsigned int size)
#define access_ok(type, addr, size) (__range_ok((addr), (size)) == 0)
#define __access_ok(addr, size) (__range_ok((addr), (size)) == 0)
-/*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue. No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
- *
- * All the routines below use bits of fixup code that are out of line
- * with the main instruction path. This means when everything is well,
- * we don't even have to jump over them. Further, they do not intrude
- * on our cache or tlb entries.
- */
-
-struct exception_table_entry
-{
- unsigned long insn, fixup;
-};
-
-/* Returns 0 if exception not found and fixup otherwise. */
-extern int fixup_exception(struct pt_regs *regs);
+#include <asm/extable.h>
#define put_user(x, ptr) __put_user_check((x), (ptr), sizeof(*(ptr)))
#define get_user(x, ptr) __get_user_check((x), (ptr), sizeof(*(ptr)))
@@ -299,170 +275,19 @@ do { \
} \
} while (0)
-#define __copy_user_zeroing(to, from, size) \
-do { \
- if (size) { \
- void *__to = to; \
- const void *__from = from; \
- int w; \
- asm volatile( \
- "0: movbu (%0),%3;\n" \
- "1: movbu %3,(%1);\n" \
- " inc %0;\n" \
- " inc %1;\n" \
- " add -1,%2;\n" \
- " bne 0b;\n" \
- "2:\n" \
- " .section .fixup,\"ax\"\n" \
- "3:\n" \
- " mov %2,%0\n" \
- " clr %3\n" \
- "4: movbu %3,(%1);\n" \
- " inc %1;\n" \
- " add -1,%2;\n" \
- " bne 4b;\n" \
- " mov %0,%2\n" \
- " jmp 2b\n" \
- " .previous\n" \
- " .section __ex_table,\"a\"\n" \
- " .balign 4\n" \
- " .long 0b,3b\n" \
- " .long 1b,3b\n" \
- " .previous\n" \
- : "=a"(__from), "=a"(__to), "=r"(size), "=&r"(w)\
- : "0"(__from), "1"(__to), "2"(size) \
- : "cc", "memory"); \
- } \
-} while (0)
-
-/* We let the __ versions of copy_from/to_user inline, because they're often
- * used in fast paths and have only a small space overhead.
- */
-static inline
-unsigned long __generic_copy_from_user_nocheck(void *to, const void *from,
- unsigned long n)
-{
- __copy_user_zeroing(to, from, n);
- return n;
-}
-
-static inline
-unsigned long __generic_copy_to_user_nocheck(void *to, const void *from,
- unsigned long n)
+static inline unsigned long
+raw_copy_from_user(void *to, const void __user *from, unsigned long n)
{
__copy_user(to, from, n);
return n;
}
-
-#if 0
-#error "don't use - these macros don't increment to & from pointers"
-/* Optimize just a little bit when we know the size of the move. */
-#define __constant_copy_user(to, from, size) \
-do { \
- asm volatile( \
- " mov %0,a0;\n" \
- "0: movbu (%1),d3;\n" \
- "1: movbu d3,(%2);\n" \
- " add -1,a0;\n" \
- " bne 0b;\n" \
- "2:;" \
- ".section .fixup,\"ax\"\n" \
- "3: jmp 2b\n" \
- ".previous\n" \
- ".section __ex_table,\"a\"\n" \
- " .balign 4\n" \
- " .long 0b,3b\n" \
- " .long 1b,3b\n" \
- ".previous" \
- : \
- : "d"(size), "d"(to), "d"(from) \
- : "d3", "a0"); \
-} while (0)
-
-/* Optimize just a little bit when we know the size of the move. */
-#define __constant_copy_user_zeroing(to, from, size) \
-do { \
- asm volatile( \
- " mov %0,a0;\n" \
- "0: movbu (%1),d3;\n" \
- "1: movbu d3,(%2);\n" \
- " add -1,a0;\n" \
- " bne 0b;\n" \
- "2:;" \
- ".section .fixup,\"ax\"\n" \
- "3: jmp 2b\n" \
- ".previous\n" \
- ".section __ex_table,\"a\"\n" \
- " .balign 4\n" \
- " .long 0b,3b\n" \
- " .long 1b,3b\n" \
- ".previous" \
- : \
- : "d"(size), "d"(to), "d"(from) \
- : "d3", "a0"); \
-} while (0)
-
-static inline
-unsigned long __constant_copy_to_user(void *to, const void *from,
- unsigned long n)
-{
- if (access_ok(VERIFY_WRITE, to, n))
- __constant_copy_user(to, from, n);
- return n;
-}
-
-static inline
-unsigned long __constant_copy_from_user(void *to, const void *from,
- unsigned long n)
+static inline unsigned long
+raw_copy_to_user(void __user *to, const void *from, unsigned long n)
{
- if (access_ok(VERIFY_READ, from, n))
- __constant_copy_user_zeroing(to, from, n);
- return n;
-}
-
-static inline
-unsigned long __constant_copy_to_user_nocheck(void *to, const void *from,
- unsigned long n)
-{
- __constant_copy_user(to, from, n);
- return n;
-}
-
-static inline
-unsigned long __constant_copy_from_user_nocheck(void *to, const void *from,
- unsigned long n)
-{
- __constant_copy_user_zeroing(to, from, n);
+ __copy_user(to, from, n);
return n;
}
-#endif
-
-extern unsigned long __generic_copy_to_user(void __user *, const void *,
- unsigned long);
-extern unsigned long __generic_copy_from_user(void *, const void __user *,
- unsigned long);
-
-#define __copy_to_user_inatomic(to, from, n) \
- __generic_copy_to_user_nocheck((to), (from), (n))
-#define __copy_from_user_inatomic(to, from, n) \
- __generic_copy_from_user_nocheck((to), (from), (n))
-
-#define __copy_to_user(to, from, n) \
-({ \
- might_fault(); \
- __copy_to_user_inatomic((to), (from), (n)); \
-})
-
-#define __copy_from_user(to, from, n) \
-({ \
- might_fault(); \
- __copy_from_user_inatomic((to), (from), (n)); \
-})
-
-
-#define copy_to_user(to, from, n) __generic_copy_to_user((to), (from), (n))
-#define copy_from_user(to, from, n) __generic_copy_from_user((to), (from), (n))
extern long strncpy_from_user(char *dst, const char __user *src, long count);
extern long __strncpy_from_user(char *dst, const char __user *src, long count);
diff --git a/arch/mn10300/include/uapi/asm/socket.h b/arch/mn10300/include/uapi/asm/socket.h
index 0e12527c4b0e..4526e92301a6 100644
--- a/arch/mn10300/include/uapi/asm/socket.h
+++ b/arch/mn10300/include/uapi/asm/socket.h
@@ -92,4 +92,10 @@
#define SCM_TIMESTAMPING_OPT_STATS 54
+#define SO_MEMINFO 55
+
+#define SO_INCOMING_NAPI_ID 56
+
+#define SO_COOKIE 57
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/mn10300/kernel/cevt-mn10300.c b/arch/mn10300/kernel/cevt-mn10300.c
index d9b34dd44f04..2b21bbc9efa4 100644
--- a/arch/mn10300/kernel/cevt-mn10300.c
+++ b/arch/mn10300/kernel/cevt-mn10300.c
@@ -98,7 +98,9 @@ int __init init_clockevents(void)
/* Calculate the min / max delta */
cd->max_delta_ns = clockevent_delta2ns(TMJCBR_MAX, cd);
+ cd->max_delta_ticks = TMJCBR_MAX;
cd->min_delta_ns = clockevent_delta2ns(100, cd);
+ cd->min_delta_ticks = 100;
cd->rating = 200;
cd->cpumask = cpumask_of(smp_processor_id());
diff --git a/arch/mn10300/kernel/mn10300_ksyms.c b/arch/mn10300/kernel/mn10300_ksyms.c
index ec6c4f8f93a6..5e9f919635f0 100644
--- a/arch/mn10300/kernel/mn10300_ksyms.c
+++ b/arch/mn10300/kernel/mn10300_ksyms.c
@@ -26,8 +26,6 @@ EXPORT_SYMBOL(strncpy_from_user);
EXPORT_SYMBOL(__strncpy_from_user);
EXPORT_SYMBOL(clear_user);
EXPORT_SYMBOL(__clear_user);
-EXPORT_SYMBOL(__generic_copy_from_user);
-EXPORT_SYMBOL(__generic_copy_to_user);
EXPORT_SYMBOL(strnlen_user);
extern u64 __ashrdi3(u64, unsigned);
diff --git a/arch/mn10300/lib/usercopy.c b/arch/mn10300/lib/usercopy.c
index ce8899e5e171..cece1799cc32 100644
--- a/arch/mn10300/lib/usercopy.c
+++ b/arch/mn10300/lib/usercopy.c
@@ -11,24 +11,6 @@
*/
#include <linux/uaccess.h>
-unsigned long
-__generic_copy_to_user(void *to, const void *from, unsigned long n)
-{
- if (access_ok(VERIFY_WRITE, to, n))
- __copy_user(to, from, n);
- return n;
-}
-
-unsigned long
-__generic_copy_from_user(void *to, const void *from, unsigned long n)
-{
- if (access_ok(VERIFY_READ, from, n))
- __copy_user_zeroing(to, from, n);
- else
- memset(to, 0, n);
- return n;
-}
-
/*
* Copy a null terminated string from userspace.
*/
generated by cgit (git 2.34.1) at 2024-04-30 19:09:36 +0000