summaryrefslogtreecommitdiffstats
path: root/arch/tile/lib/atomic_32.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/tile/lib/atomic_32.c')
-rw-r--r--arch/tile/lib/atomic_32.c53
1 files changed, 18 insertions, 35 deletions
diff --git a/arch/tile/lib/atomic_32.c b/arch/tile/lib/atomic_32.c
index be1e8ac..8040b42 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);
OpenPOWER on IntegriCloud