diff options
Diffstat (limited to 'arch/mips/include/asm/smp.h')
| -rw-r--r-- | arch/mips/include/asm/smp.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h index 03722d4326a1..060f23ff1817 100644 --- a/arch/mips/include/asm/smp.h +++ b/arch/mips/include/asm/smp.h @@ -23,7 +23,7 @@ extern int smp_num_siblings; extern cpumask_t cpu_sibling_map[]; extern cpumask_t cpu_core_map[]; -extern cpumask_t cpu_foreign_map; +extern cpumask_t cpu_foreign_map[]; #define raw_smp_processor_id() (current_thread_info()->cpu) @@ -53,6 +53,8 @@ extern cpumask_t cpu_coherent_mask; extern void asmlinkage smp_bootstrap(void); +extern void calculate_cpu_foreign_map(void); + /* * this function sends a 'reschedule' IPI to another CPU. * it goes straight through and wastes no time serializing @@ -83,6 +85,20 @@ static inline void __cpu_die(unsigned int cpu) extern void play_dead(void); #endif +/* + * This function will set up the necessary IPIs for Linux to communicate + * with the CPUs in mask. + * Return 0 on success. + */ +int mips_smp_ipi_allocate(const struct cpumask *mask); + +/* + * This function will free up IPIs allocated with mips_smp_ipi_allocate to the + * CPUs in mask, which must be a subset of the IPIs that have been configured. + * Return 0 on success. + */ +int mips_smp_ipi_free(const struct cpumask *mask); + static inline void arch_send_call_function_single_ipi(int cpu) { extern struct plat_smp_ops *mp_ops; /* private */ |
