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Subject[RFC PATCH 1/2] debug_core: move all watch dog syncs to a single function
Date
Move the various clock and watch dog syncs to a single function in
advance of adding another sync for the rcu stall detector.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
---
kernel/debug/debug_core.c | 15 +++++++++------
1 files changed, 9 insertions(+), 6 deletions(-)
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 3c2d497..e4d6819 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -470,6 +470,12 @@ static void dbg_cpu_switch(int cpu, int next_cpu)
kgdb_info[next_cpu].exception_state |= DCPU_NEXT_MASTER;
}

+static void dbg_touch_watchdogs(void)
+{
+ touch_softlockup_watchdog_sync();
+ clocksource_touch_watchdog();
+}
+
static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs)
{
unsigned long flags;
@@ -523,8 +529,7 @@ return_normal:
if (trace_on)
tracing_on();
atomic_dec(&cpu_in_kgdb[cpu]);
- touch_softlockup_watchdog_sync();
- clocksource_touch_watchdog();
+ dbg_touch_watchdogs();
local_irq_restore(flags);
return 0;
}
@@ -541,8 +546,7 @@ return_normal:
(kgdb_info[cpu].task &&
kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) {
atomic_set(&kgdb_active, -1);
- touch_softlockup_watchdog_sync();
- clocksource_touch_watchdog();
+ dbg_touch_watchdogs();
local_irq_restore(flags);

goto acquirelock;
@@ -659,8 +663,7 @@ kgdb_restore:
tracing_on();
/* Free kgdb_active */
atomic_set(&kgdb_active, -1);
- touch_softlockup_watchdog_sync();
- clocksource_touch_watchdog();
+ dbg_touch_watchdogs();
local_irq_restore(flags);

return kgdb_info[cpu].ret_state;
--
1.6.3.3


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