[PATCH] prevent recursive panic from softlockup watchdog

When panic_timeout is zero, suppress triggering a nested panic due to soft
lockup detection.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/kernel/panic.c b/kernel/panic.c
index c5c4ab2..126dc43 100644 (file)
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -130,6 +130,7 @@ NORET_TYPE void panic(const char * fmt, ...)
 #endif
        local_irq_enable();
        for (i = 0;;) {
+               touch_softlockup_watchdog();
                i += panic_blink(i);
                mdelay(1);
                i++;