8 files changed, 29 insertions, 42 deletions

diff --git a/arch/tile/lib/atomic_32.c b/arch/tile/lib/atomic_32.c
index be1e8acd105d..8040b42a8eea 100644
--- a/arch/tile/lib/atomic_32.c
+++ b/arch/tile/lib/atomic_32.c
@@ -18,27 +18,10 @@
 #include <linux/module.h>
 #include <linux/mm.h>
 #include <asm/atomic.h>
+#include <asm/futex.h>
 #include <arch/chip.h>
 
-/* The routines in atomic_asm.S are private, so we only declare them here. */
-extern struct __get_user __atomic_cmpxchg(volatile int *p,
-                                          int *lock, int o, int n);
-extern struct __get_user __atomic_xchg(volatile int *p, int *lock, int n);
-extern struct __get_user __atomic_xchg_add(volatile int *p, int *lock, int n);
-extern struct __get_user __atomic_xchg_add_unless(volatile int *p,
-                                                  int *lock, int o, int n);
-extern struct __get_user __atomic_or(volatile int *p, int *lock, int n);
-extern struct __get_user __atomic_andn(volatile int *p, int *lock, int n);
-extern struct __get_user __atomic_xor(volatile int *p, int *lock, int n);
-
-extern u64 __atomic64_cmpxchg(volatile u64 *p, int *lock, u64 o, u64 n);
-extern u64 __atomic64_xchg(volatile u64 *p, int *lock, u64 n);
-extern u64 __atomic64_xchg_add(volatile u64 *p, int *lock, u64 n);
-extern u64 __atomic64_xchg_add_unless(volatile u64 *p,
-                                      int *lock, u64 o, u64 n);
-
-
-/* See <asm/atomic.h> */
+/* See <asm/atomic_32.h> */
 #if ATOMIC_LOCKS_FOUND_VIA_TABLE()
 
 /*
@@ -209,7 +192,7 @@ u64 _atomic64_cmpxchg(atomic64_t *v, u64 o, u64 n)
 EXPORT_SYMBOL(_atomic64_cmpxchg);
 
 
-static inline int *__futex_setup(__user int *v)
+static inline int *__futex_setup(int __user *v)
 {
         /*
          * Issue a prefetch to the counter to bring it into cache.
@@ -217,37 +200,37 @@ static inline int *__futex_setup(__user int *v)
          * since it might fault; instead we do a prefetch into the L2.
          */
         __insn_prefetch(v);
-        return __atomic_hashed_lock(v);
+        return __atomic_hashed_lock((int __force *)v);
 }
 
-struct __get_user futex_set(int *v, int i)
+struct __get_user futex_set(int __user *v, int i)
 {
-        return __atomic_xchg(v, __futex_setup(v), i);
+        return __atomic_xchg((int __force *)v, __futex_setup(v), i);
 }
 
-struct __get_user futex_add(int *v, int n)
+struct __get_user futex_add(int __user *v, int n)
 {
-        return __atomic_xchg_add(v, __futex_setup(v), n);
+        return __atomic_xchg_add((int __force *)v, __futex_setup(v), n);
 }
 
-struct __get_user futex_or(int *v, int n)
+struct __get_user futex_or(int __user *v, int n)
 {
-        return __atomic_or(v, __futex_setup(v), n);
+        return __atomic_or((int __force *)v, __futex_setup(v), n);
 }
 
-struct __get_user futex_andn(int *v, int n)
+struct __get_user futex_andn(int __user *v, int n)
 {
-        return __atomic_andn(v, __futex_setup(v), n);
+        return __atomic_andn((int __force *)v, __futex_setup(v), n);
 }
 
-struct __get_user futex_xor(int *v, int n)
+struct __get_user futex_xor(int __user *v, int n)
 {
-        return __atomic_xor(v, __futex_setup(v), n);
+        return __atomic_xor((int __force *)v, __futex_setup(v), n);
 }
 
-struct __get_user futex_cmpxchg(int *v, int o, int n)
+struct __get_user futex_cmpxchg(int __user *v, int o, int n)
 {
-        return __atomic_cmpxchg(v, __futex_setup(v), o, n);
+        return __atomic_cmpxchg((int __force *)v, __futex_setup(v), o, n);
 }
 
 /*
@@ -260,7 +243,7 @@ struct __get_user futex_cmpxchg(int *v, int o, int n)
  * invoked in is the context of the "_atomic_xxx()" routines called
  * by the functions in this file.
  */
-struct __get_user __atomic_bad_address(int *addr)
+struct __get_user __atomic_bad_address(int __user *addr)
 {
         if (unlikely(!access_ok(VERIFY_WRITE, addr, sizeof(int))))
                 panic("Bad address used for kernel atomic op: %p\n", addr);
@@ -271,7 +254,7 @@ struct __get_user __atomic_bad_address(int *addr)
 #if CHIP_HAS_CBOX_HOME_MAP()
 static int __init noatomichash(char *str)
 {
-        printk("noatomichash is deprecated.\n");
+        pr_warning("noatomichash is deprecated.\n");
         return 1;
 }
 __setup("noatomichash", noatomichash);
diff --git a/arch/tile/lib/cpumask.c b/arch/tile/lib/cpumask.c
index af745b3b2559..fdc403614d12 100644
--- a/arch/tile/lib/cpumask.c
+++ b/arch/tile/lib/cpumask.c
@@ -15,6 +15,7 @@
 #include <linux/cpumask.h>
 #include <linux/ctype.h>
 #include <linux/errno.h>
+#include <linux/smp.h>
 
 /*
  * Allow cropping out bits beyond the end of the array.
diff --git a/arch/tile/lib/exports.c b/arch/tile/lib/exports.c
index af8e70e2a0ce..6bc7b52b4aa0 100644
--- a/arch/tile/lib/exports.c
+++ b/arch/tile/lib/exports.c
@@ -21,6 +21,7 @@
 EXPORT_SYMBOL(__get_user_1);
 EXPORT_SYMBOL(__get_user_2);
 EXPORT_SYMBOL(__get_user_4);
+EXPORT_SYMBOL(__get_user_8);
 EXPORT_SYMBOL(__put_user_1);
 EXPORT_SYMBOL(__put_user_2);
 EXPORT_SYMBOL(__put_user_4);
diff --git a/arch/tile/lib/memcpy_tile64.c b/arch/tile/lib/memcpy_tile64.c
index 4f0047342469..dfedea7b266b 100644
--- a/arch/tile/lib/memcpy_tile64.c
+++ b/arch/tile/lib/memcpy_tile64.c
@@ -60,8 +60,8 @@ typedef unsigned long (*memcpy_t)(void *, const void *, unsigned long);
 static void memcpy_multicache(void *dest, const void *source,
                               pte_t dst_pte, pte_t src_pte, int len)
 {
-        int idx, i;
-        unsigned long flags, newsrc, newdst, endsrc;
+        int idx;
+        unsigned long flags, newsrc, newdst;
         pmd_t *pmdp;
         pte_t *ptep;
         int cpu = get_cpu();
@@ -121,7 +121,7 @@ static void memcpy_multicache(void *dest, const void *source,
          */
         sim_allow_multiple_caching(0);
         local_irq_restore(flags);
-        put_cpu_no_resched();
+        put_cpu();
 }
 
 /*
diff --git a/arch/tile/lib/memmove_32.c b/arch/tile/lib/memmove_32.c
index f09d8c4523ec..fd615ae6ade7 100644
--- a/arch/tile/lib/memmove_32.c
+++ b/arch/tile/lib/memmove_32.c
@@ -42,7 +42,7 @@ void *memmove(void *dest, const void *src, size_t n)
                         in = (const uint8_t *)src;
                         out = (uint8_t *)dest;
                         stride = 1;
-                }
+                }
 
                 /* Manually software-pipeline this loop. */
                 x = *in;
diff --git a/arch/tile/lib/memset_32.c b/arch/tile/lib/memset_32.c
index 8593bc82398a..bfde5d864df1 100644
--- a/arch/tile/lib/memset_32.c
+++ b/arch/tile/lib/memset_32.c
@@ -245,7 +245,8 @@ void *memset(void *s, int c, size_t n)
                                 wh += CACHE_LINE_SIZE_IN_WORDS;
                         } while (--i);
 
-                        for (j = x * (CACHE_LINE_SIZE_IN_WORDS / 4); j != 0; j--) {
+                        for (j = x * (CACHE_LINE_SIZE_IN_WORDS / 4);
+                             j != 0; j--) {
                                 *out32++ = v32;
                                 *out32++ = v32;
                                 *out32++ = v32;
diff --git a/arch/tile/lib/spinlock_common.h b/arch/tile/lib/spinlock_common.h
index 8dffebde6630..c10109809132 100644
--- a/arch/tile/lib/spinlock_common.h
+++ b/arch/tile/lib/spinlock_common.h
@@ -35,7 +35,7 @@ relax(int iterations)
 }
 
 /* Perform bounded exponential backoff.*/
-void delay_backoff(int iterations)
+static void delay_backoff(int iterations)
 {
         u32 exponent, loops;
 
diff --git a/arch/tile/lib/uaccess.c b/arch/tile/lib/uaccess.c
index 9ae182568b77..f8d398c9ee7f 100644
--- a/arch/tile/lib/uaccess.c
+++ b/arch/tile/lib/uaccess.c
@@ -18,14 +18,15 @@
 int __range_ok(unsigned long addr, unsigned long size)
 {
         unsigned long limit = current_thread_info()->addr_limit.seg;
-        __chk_user_ptr(addr);
         return !((addr < limit && size <= limit - addr) ||
                  is_arch_mappable_range(addr, size));
 }
 EXPORT_SYMBOL(__range_ok);
 
+#ifdef CONFIG_DEBUG_COPY_FROM_USER
 void copy_from_user_overflow(void)
 {
        WARN(1, "Buffer overflow detected!\n");
 }
 EXPORT_SYMBOL(copy_from_user_overflow);
+#endif