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author | Ingo Molnar <mingo@elte.hu> | 2008-07-16 00:29:07 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-16 00:29:07 +0200 |
commit | 82638844d9a8581bbf33201cc209a14876eca167 (patch) | |
tree | 961d7f9360194421a71aa644a9d0c176a960ce49 /include/linux/smp.h | |
parent | 9982fbface82893e77d211fbabfbd229da6bdde6 (diff) | |
parent | 63cf13b77ab785e87c867defa8545e6d4a989774 (diff) | |
download | op-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.zip op-kernel-dev-82638844d9a8581bbf33201cc209a14876eca167.tar.gz |
Merge branch 'linus' into cpus4096
Conflicts:
arch/x86/xen/smp.c
kernel/sched_rt.c
net/iucv/iucv.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/smp.h')
-rw-r--r-- | include/linux/smp.h | 46 |
1 files changed, 38 insertions, 8 deletions
diff --git a/include/linux/smp.h b/include/linux/smp.h index 55232cc..48262f8 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -7,9 +7,18 @@ */ #include <linux/errno.h> +#include <linux/list.h> +#include <linux/cpumask.h> extern void cpu_idle(void); +struct call_single_data { + struct list_head list; + void (*func) (void *info); + void *info; + unsigned int flags; +}; + #ifdef CONFIG_SMP #include <linux/preempt.h> @@ -52,15 +61,34 @@ extern void smp_cpus_done(unsigned int max_cpus); /* * Call a function on all other processors */ -int smp_call_function(void(*func)(void *info), void *info, int retry, int wait); - +int smp_call_function(void(*func)(void *info), void *info, int wait); +int smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info, + int wait); int smp_call_function_single(int cpuid, void (*func) (void *info), void *info, - int retry, int wait); + int wait); +void __smp_call_function_single(int cpuid, struct call_single_data *data); + +/* + * Generic and arch helpers + */ +#ifdef CONFIG_USE_GENERIC_SMP_HELPERS +void generic_smp_call_function_single_interrupt(void); +void generic_smp_call_function_interrupt(void); +void init_call_single_data(void); +void ipi_call_lock(void); +void ipi_call_unlock(void); +void ipi_call_lock_irq(void); +void ipi_call_unlock_irq(void); +#else +static inline void init_call_single_data(void) +{ +} +#endif /* * Call a function on all processors */ -int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait); +int on_each_cpu(void (*func) (void *info), void *info, int wait); #define MSG_ALL_BUT_SELF 0x8000 /* Assume <32768 CPU's */ #define MSG_ALL 0x8001 @@ -90,9 +118,9 @@ static inline int up_smp_call_function(void (*func)(void *), void *info) { return 0; } -#define smp_call_function(func, info, retry, wait) \ +#define smp_call_function(func, info, wait) \ (up_smp_call_function(func, info)) -#define on_each_cpu(func,info,retry,wait) \ +#define on_each_cpu(func,info,wait) \ ({ \ local_irq_disable(); \ func(info); \ @@ -102,7 +130,7 @@ static inline int up_smp_call_function(void (*func)(void *), void *info) static inline void smp_send_reschedule(int cpu) { } #define num_booting_cpus() 1 #define smp_prepare_boot_cpu() do {} while (0) -#define smp_call_function_single(cpuid, func, info, retry, wait) \ +#define smp_call_function_single(cpuid, func, info, wait) \ ({ \ WARN_ON(cpuid != 0); \ local_irq_disable(); \ @@ -112,7 +140,9 @@ static inline void smp_send_reschedule(int cpu) { } }) #define smp_call_function_mask(mask, func, info, wait) \ (up_smp_call_function(func, info)) - +static inline void init_call_single_data(void) +{ +} #endif /* !SMP */ /* |