kernel_optimize_test/arch/parisc/include/asm/smp.h
Rusty Russell 165ac433fa parisc: remove gratuitous cpu_online_map declaration.
This is defined in linux/cpumask.h (included in this file already),
and this is now defined differently.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-parisc@vger.kernel.org
2009-01-01 10:12:16 +10:30

65 lines
1.5 KiB
C

#ifndef __ASM_SMP_H
#define __ASM_SMP_H
#if defined(CONFIG_SMP)
/* Page Zero Location PDC will look for the address to branch to when we poke
** slave CPUs still in "Icache loop".
*/
#define PDC_OS_BOOT_RENDEZVOUS 0x10
#define PDC_OS_BOOT_RENDEZVOUS_HI 0x28
#ifndef ASSEMBLY
#include <linux/bitops.h>
#include <linux/threads.h> /* for NR_CPUS */
#include <linux/cpumask.h>
typedef unsigned long address_t;
/*
* Private routines/data
*
* physical and logical are equivalent until we support CPU hotplug.
*/
#define cpu_number_map(cpu) (cpu)
#define cpu_logical_map(cpu) (cpu)
extern void smp_send_reschedule(int cpu);
extern void smp_send_all_nop(void);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
#endif /* !ASSEMBLY */
/*
* This magic constant controls our willingness to transfer
* a process across CPUs. Such a transfer incurs cache and tlb
* misses. The current value is inherited from i386. Still needs
* to be tuned for parisc.
*/
#define PROC_CHANGE_PENALTY 15 /* Schedule penalty */
#define raw_smp_processor_id() (current_thread_info()->cpu)
#else /* CONFIG_SMP */
static inline void smp_send_all_nop(void) { return; }
#endif
#define NO_PROC_ID 0xFF /* No processor magic marker */
#define ANY_PROC_ID 0xFF /* Any processor magic marker */
static inline int __cpu_disable (void) {
return 0;
}
static inline void __cpu_die (unsigned int cpu) {
while(1)
;
}
extern int __cpu_up (unsigned int cpu);
#endif /* __ASM_SMP_H */