diff options
Diffstat (limited to 'arch/frv')
-rw-r--r-- | arch/frv/include/asm/futex.h | 5 | ||||
-rw-r--r-- | arch/frv/kernel/futex.c | 14 | ||||
-rw-r--r-- | arch/frv/kernel/time.c | 14 |
3 files changed, 12 insertions, 21 deletions
diff --git a/arch/frv/include/asm/futex.h b/arch/frv/include/asm/futex.h index 08b3d1da3583..4bea27f50a7a 100644 --- a/arch/frv/include/asm/futex.h +++ b/arch/frv/include/asm/futex.h | |||
@@ -7,10 +7,11 @@ | |||
7 | #include <asm/errno.h> | 7 | #include <asm/errno.h> |
8 | #include <asm/uaccess.h> | 8 | #include <asm/uaccess.h> |
9 | 9 | ||
10 | extern int futex_atomic_op_inuser(int encoded_op, int __user *uaddr); | 10 | extern int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr); |
11 | 11 | ||
12 | static inline int | 12 | static inline int |
13 | futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) | 13 | futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, |
14 | u32 oldval, u32 newval) | ||
14 | { | 15 | { |
15 | return -ENOSYS; | 16 | return -ENOSYS; |
16 | } | 17 | } |
diff --git a/arch/frv/kernel/futex.c b/arch/frv/kernel/futex.c index 14f64b054c7e..d155ca9e5098 100644 --- a/arch/frv/kernel/futex.c +++ b/arch/frv/kernel/futex.c | |||
@@ -18,7 +18,7 @@ | |||
18 | * the various futex operations; MMU fault checking is ignored under no-MMU | 18 | * the various futex operations; MMU fault checking is ignored under no-MMU |
19 | * conditions | 19 | * conditions |
20 | */ | 20 | */ |
21 | static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, int *_oldval) | 21 | static inline int atomic_futex_op_xchg_set(int oparg, u32 __user *uaddr, int *_oldval) |
22 | { | 22 | { |
23 | int oldval, ret; | 23 | int oldval, ret; |
24 | 24 | ||
@@ -50,7 +50,7 @@ static inline int atomic_futex_op_xchg_set(int oparg, int __user *uaddr, int *_o | |||
50 | return ret; | 50 | return ret; |
51 | } | 51 | } |
52 | 52 | ||
53 | static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, int *_oldval) | 53 | static inline int atomic_futex_op_xchg_add(int oparg, u32 __user *uaddr, int *_oldval) |
54 | { | 54 | { |
55 | int oldval, ret; | 55 | int oldval, ret; |
56 | 56 | ||
@@ -83,7 +83,7 @@ static inline int atomic_futex_op_xchg_add(int oparg, int __user *uaddr, int *_o | |||
83 | return ret; | 83 | return ret; |
84 | } | 84 | } |
85 | 85 | ||
86 | static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, int *_oldval) | 86 | static inline int atomic_futex_op_xchg_or(int oparg, u32 __user *uaddr, int *_oldval) |
87 | { | 87 | { |
88 | int oldval, ret; | 88 | int oldval, ret; |
89 | 89 | ||
@@ -116,7 +116,7 @@ static inline int atomic_futex_op_xchg_or(int oparg, int __user *uaddr, int *_ol | |||
116 | return ret; | 116 | return ret; |
117 | } | 117 | } |
118 | 118 | ||
119 | static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, int *_oldval) | 119 | static inline int atomic_futex_op_xchg_and(int oparg, u32 __user *uaddr, int *_oldval) |
120 | { | 120 | { |
121 | int oldval, ret; | 121 | int oldval, ret; |
122 | 122 | ||
@@ -149,7 +149,7 @@ static inline int atomic_futex_op_xchg_and(int oparg, int __user *uaddr, int *_o | |||
149 | return ret; | 149 | return ret; |
150 | } | 150 | } |
151 | 151 | ||
152 | static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, int *_oldval) | 152 | static inline int atomic_futex_op_xchg_xor(int oparg, u32 __user *uaddr, int *_oldval) |
153 | { | 153 | { |
154 | int oldval, ret; | 154 | int oldval, ret; |
155 | 155 | ||
@@ -186,7 +186,7 @@ static inline int atomic_futex_op_xchg_xor(int oparg, int __user *uaddr, int *_o | |||
186 | /* | 186 | /* |
187 | * do the futex operations | 187 | * do the futex operations |
188 | */ | 188 | */ |
189 | int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) | 189 | int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) |
190 | { | 190 | { |
191 | int op = (encoded_op >> 28) & 7; | 191 | int op = (encoded_op >> 28) & 7; |
192 | int cmp = (encoded_op >> 24) & 15; | 192 | int cmp = (encoded_op >> 24) & 15; |
@@ -197,7 +197,7 @@ int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) | |||
197 | if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) | 197 | if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) |
198 | oparg = 1 << oparg; | 198 | oparg = 1 << oparg; |
199 | 199 | ||
200 | if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) | 200 | if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) |
201 | return -EFAULT; | 201 | return -EFAULT; |
202 | 202 | ||
203 | pagefault_disable(); | 203 | pagefault_disable(); |
diff --git a/arch/frv/kernel/time.c b/arch/frv/kernel/time.c index 0ddbbae83cb2..b457de496b70 100644 --- a/arch/frv/kernel/time.c +++ b/arch/frv/kernel/time.c | |||
@@ -50,21 +50,13 @@ static struct irqaction timer_irq = { | |||
50 | 50 | ||
51 | /* | 51 | /* |
52 | * timer_interrupt() needs to keep up the real-time clock, | 52 | * timer_interrupt() needs to keep up the real-time clock, |
53 | * as well as call the "do_timer()" routine every clocktick | 53 | * as well as call the "xtime_update()" routine every clocktick |
54 | */ | 54 | */ |
55 | static irqreturn_t timer_interrupt(int irq, void *dummy) | 55 | static irqreturn_t timer_interrupt(int irq, void *dummy) |
56 | { | 56 | { |
57 | profile_tick(CPU_PROFILING); | 57 | profile_tick(CPU_PROFILING); |
58 | /* | ||
59 | * Here we are in the timer irq handler. We just have irqs locally | ||
60 | * disabled but we don't know if the timer_bh is running on the other | ||
61 | * CPU. We need to avoid to SMP race with it. NOTE: we don't need | ||
62 | * the irq version of write_lock because as just said we have irq | ||
63 | * locally disabled. -arca | ||
64 | */ | ||
65 | write_seqlock(&xtime_lock); | ||
66 | 58 | ||
67 | do_timer(1); | 59 | xtime_update(1); |
68 | 60 | ||
69 | #ifdef CONFIG_HEARTBEAT | 61 | #ifdef CONFIG_HEARTBEAT |
70 | static unsigned short n; | 62 | static unsigned short n; |
@@ -72,8 +64,6 @@ static irqreturn_t timer_interrupt(int irq, void *dummy) | |||
72 | __set_LEDS(n); | 64 | __set_LEDS(n); |
73 | #endif /* CONFIG_HEARTBEAT */ | 65 | #endif /* CONFIG_HEARTBEAT */ |
74 | 66 | ||
75 | write_sequnlock(&xtime_lock); | ||
76 | |||
77 | update_process_times(user_mode(get_irq_regs())); | 67 | update_process_times(user_mode(get_irq_regs())); |
78 | 68 | ||
79 | return IRQ_HANDLED; | 69 | return IRQ_HANDLED; |