summaryrefslogtreecommitdiff
path: root/arch/mips/kernel/smp.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips/kernel/smp.c')
-rw-r--r--arch/mips/kernel/smp.c17
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