diff options
author | David Howells <dhowells@redhat.com> | 2010-10-27 12:28:36 -0400 |
---|---|---|
committer | David Howells <dhowells@redhat.com> | 2010-10-27 12:28:36 -0400 |
commit | 3a5f65df5a0fcbaa35e5417c0420d691fee4ac56 (patch) | |
tree | 5d7bd3754c23817860bb34f0a54e0f3584b0ff00 /include/linux/smp.h | |
parent | 3b950de9c94b4b9fde4f1340358ab52ce0f34be0 (diff) |
Typedef SMP call function pointer
Typedef the pointer to the function to be called by smp_call_function() and
friends:
typedef void (*smp_call_func_t)(void *info);
as it is used in a fair number of places.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-arch@vger.kernel.org
Diffstat (limited to 'include/linux/smp.h')
-rw-r--r-- | include/linux/smp.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h index cfa2d20e35f1..6dc95cac6b3d 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h | |||
@@ -13,9 +13,10 @@ | |||
13 | 13 | ||
14 | extern void cpu_idle(void); | 14 | extern void cpu_idle(void); |
15 | 15 | ||
16 | typedef void (*smp_call_func_t)(void *info); | ||
16 | struct call_single_data { | 17 | struct call_single_data { |
17 | struct list_head list; | 18 | struct list_head list; |
18 | void (*func) (void *info); | 19 | smp_call_func_t func; |
19 | void *info; | 20 | void *info; |
20 | u16 flags; | 21 | u16 flags; |
21 | u16 priv; | 22 | u16 priv; |
@@ -24,8 +25,8 @@ struct call_single_data { | |||
24 | /* total number of cpus in this system (may exceed NR_CPUS) */ | 25 | /* total number of cpus in this system (may exceed NR_CPUS) */ |
25 | extern unsigned int total_cpus; | 26 | extern unsigned int total_cpus; |
26 | 27 | ||
27 | int smp_call_function_single(int cpuid, void (*func) (void *info), void *info, | 28 | int smp_call_function_single(int cpuid, smp_call_func_t func, void *info, |
28 | int wait); | 29 | int wait); |
29 | 30 | ||
30 | #ifdef CONFIG_SMP | 31 | #ifdef CONFIG_SMP |
31 | 32 | ||
@@ -69,15 +70,15 @@ extern void smp_cpus_done(unsigned int max_cpus); | |||
69 | /* | 70 | /* |
70 | * Call a function on all other processors | 71 | * Call a function on all other processors |
71 | */ | 72 | */ |
72 | int smp_call_function(void(*func)(void *info), void *info, int wait); | 73 | int smp_call_function(smp_call_func_t func, void *info, int wait); |
73 | void smp_call_function_many(const struct cpumask *mask, | 74 | void smp_call_function_many(const struct cpumask *mask, |
74 | void (*func)(void *info), void *info, bool wait); | 75 | smp_call_func_t func, void *info, bool wait); |
75 | 76 | ||
76 | void __smp_call_function_single(int cpuid, struct call_single_data *data, | 77 | void __smp_call_function_single(int cpuid, struct call_single_data *data, |
77 | int wait); | 78 | int wait); |
78 | 79 | ||
79 | int smp_call_function_any(const struct cpumask *mask, | 80 | int smp_call_function_any(const struct cpumask *mask, |
80 | void (*func)(void *info), void *info, int wait); | 81 | smp_call_func_t func, void *info, int wait); |
81 | 82 | ||
82 | /* | 83 | /* |
83 | * Generic and arch helpers | 84 | * Generic and arch helpers |
@@ -94,7 +95,7 @@ void ipi_call_unlock_irq(void); | |||
94 | /* | 95 | /* |
95 | * Call a function on all processors | 96 | * Call a function on all processors |
96 | */ | 97 | */ |
97 | int on_each_cpu(void (*func) (void *info), void *info, int wait); | 98 | int on_each_cpu(smp_call_func_t func, void *info, int wait); |
98 | 99 | ||
99 | #define MSG_ALL_BUT_SELF 0x8000 /* Assume <32768 CPU's */ | 100 | #define MSG_ALL_BUT_SELF 0x8000 /* Assume <32768 CPU's */ |
100 | #define MSG_ALL 0x8001 | 101 | #define MSG_ALL 0x8001 |
@@ -122,7 +123,7 @@ static inline void smp_send_stop(void) { } | |||
122 | * These macros fold the SMP functionality into a single CPU system | 123 | * These macros fold the SMP functionality into a single CPU system |
123 | */ | 124 | */ |
124 | #define raw_smp_processor_id() 0 | 125 | #define raw_smp_processor_id() 0 |
125 | static inline int up_smp_call_function(void (*func)(void *), void *info) | 126 | static inline int up_smp_call_function(smp_call_func_t func, void *info) |
126 | { | 127 | { |
127 | return 0; | 128 | return 0; |
128 | } | 129 | } |
@@ -143,7 +144,7 @@ static inline void smp_send_reschedule(int cpu) { } | |||
143 | static inline void init_call_single_data(void) { } | 144 | static inline void init_call_single_data(void) { } |
144 | 145 | ||
145 | static inline int | 146 | static inline int |
146 | smp_call_function_any(const struct cpumask *mask, void (*func)(void *info), | 147 | smp_call_function_any(const struct cpumask *mask, smp_call_func_t func, |
147 | void *info, int wait) | 148 | void *info, int wait) |
148 | { | 149 | { |
149 | return smp_call_function_single(0, func, info, wait); | 150 | return smp_call_function_single(0, func, info, wait); |