From cc1e0f4f7ad95a9eb81e1904cb16068af226180d Mon Sep 17 00:00:00 2001
From: Jason Wessel <jason.wessel@windriver.com>
Date: Mon, 6 Oct 2008 13:50:59 -0500
Subject: [PATCH] kgdb: call touch_softlockup_watchdog on resume
The softlockup watchdog needs to be touched when resuming the from the
kgdb stopped state to avoid the printk that a CPU is stuck if the
debugger was active for longer than the softlockup threshold.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
kernel/kgdb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/kernel/kgdb.c b/kernel/kgdb.c
index 25d955dbb989c..e4dcfb2272a41 100644
--- a/kernel/kgdb.c
+++ b/kernel/kgdb.c
@@ -590,6 +590,7 @@ static void kgdb_wait(struct pt_regs *regs)
/* Signal the primary CPU that we are done: */
atomic_set(&cpu_in_kgdb[cpu], 0);
+ touch_softlockup_watchdog();
clocksource_touch_watchdog();
local_irq_restore(flags);
}
@@ -1432,6 +1433,7 @@ kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
atomic_read(&kgdb_cpu_doing_single_step) != cpu) {
atomic_set(&kgdb_active, -1);
+ touch_softlockup_watchdog();
clocksource_touch_watchdog();
local_irq_restore(flags);
@@ -1524,6 +1526,7 @@ kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
kgdb_restore:
/* Free kgdb_active */
atomic_set(&kgdb_active, -1);
+ touch_softlockup_watchdog();
clocksource_touch_watchdog();
local_irq_restore(flags);
--
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