1 files changed, 17 insertions, 0 deletions

diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 9005bf9fb85..2e6374a589e 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