tile: support delivering NMIs for multicore backtrace

[cascardo/linux.git] / arch / tile / kernel / traps.c

diff --git a/arch/tile/kernel/traps.c b/arch/tile/kernel/traps.c
index 312fc13..855f731 100644 (file)
--- a/arch/tile/kernel/traps.c
+++ b/arch/tile/kernel/traps.c
@@ -395,6 +395,18 @@ done:
        exception_exit(prev_state);
 }
 
+void do_nmi(struct pt_regs *regs, int fault_num, unsigned long reason)
+{
+       switch (reason) {
+       case TILE_NMI_DUMP_STACK:
+               do_nmi_dump_stack(regs);
+               break;
+       default:
+               panic("Unexpected do_nmi type %ld", reason);
+               return;
+       }
+}
+
 void kernel_double_fault(int dummy, ulong pc, ulong lr, ulong sp, ulong r52)
 {
        _dump_stack(dummy, pc, lr, sp, r52);