[PATCH] x86_64 show_stack(): call touch_nmi_watchdog

I had strange NMI watchdog timeouts running sysrq-T across 9600-baud serial.


Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index d87ac6496cc2..2707a27b81cd 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -28,6 +28,7 @@
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
+#include <linux/nmi.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
@@ -243,6 +244,7 @@ void show_stack(struct task_struct *tsk, unsigned long * rsp)
                 if (i && ((i % 4) == 0))
                         printk("\n       ");
                 printk("%016lx ", *stack++);
+                touch_nmi_watchdog();
         }
         show_trace((unsigned long *)rsp);
 }