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x86: convert to generic helpers for IPI function calls

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This converts x86, x86-64, and xen to use the new helpers for
smp_call_function() and friends, and adds support for
smp_call_function_single().

Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe
2008-06-26 11:21:54 +02:00
parent 3d44223327
commit 3b16cf8748
20 changed files with 125 additions and 380 deletions
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21
include/asm-x86/smp.h
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@@ -59,9 +59,9 @@ struct smp_ops {
void (*smp_send_stop)(void);
void (*smp_send_reschedule)(int cpu);
int (*smp_call_function_mask)(cpumask_t mask,
void (*func)(void *info), void *info,
int wait);
void (*send_call_func_ipi)(cpumask_t mask);
void (*send_call_func_single_ipi)(int cpu);
};
/* Globals due to paravirt */
@@ -103,17 +103,22 @@ static inline void smp_send_reschedule(int cpu)
smp_ops.smp_send_reschedule(cpu);
}
static inline int smp_call_function_mask(cpumask_t mask,
void (*func) (void *info), void *info,
int wait)
static inline void arch_send_call_function_single_ipi(int cpu)
{
return smp_ops.smp_call_function_mask(mask, func, info, wait);
smp_ops.send_call_func_single_ipi(cpu);
}
static inline void arch_send_call_function_ipi(cpumask_t mask)
{
smp_ops.send_call_func_ipi(mask);
}
void native_smp_prepare_boot_cpu(void);
void native_smp_prepare_cpus(unsigned int max_cpus);
void native_smp_cpus_done(unsigned int max_cpus);
int native_cpu_up(unsigned int cpunum);
void native_send_call_func_ipi(cpumask_t mask);
void native_send_call_func_single_ipi(int cpu);
extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
@@ -202,7 +207,5 @@ extern void cpu_uninit(void);
#endif
extern void smp_alloc_memory(void);
extern void lock_ipi_call_lock(void);
extern void unlock_ipi_call_lock(void);
#endif /* __ASSEMBLY__ */
#endif