diff options
Diffstat (limited to 'arch/mips/kernel/smp.c')
| -rw-r--r-- | arch/mips/kernel/smp.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index 9005bf9fb859..2e6374a589ec 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -386,3 +386,20 @@ void flush_tlb_one(unsigned long vaddr) EXPORT_SYMBOL(flush_tlb_page); EXPORT_SYMBOL(flush_tlb_one); + +#if defined(CONFIG_KEXEC) +void (*dump_ipi_function_ptr)(void *) = NULL; +void dump_send_ipi(void (*dump_ipi_callback)(void *)) +{ + int i; + int cpu = smp_processor_id(); + + dump_ipi_function_ptr = dump_ipi_callback; + smp_mb(); + for_each_online_cpu(i) + if (i != cpu) + mp_ops->send_ipi_single(i, SMP_DUMP); + +} +EXPORT_SYMBOL(dump_send_ipi); +#endif |