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authorThomas Gleixner <tglx@linutronix.de>2017-12-22 17:51:14 +0300
committerThomas Gleixner <tglx@linutronix.de>2017-12-30 01:13:10 +0300
commitfd45bb77ad682be728d1002431d77b8c73342836 (patch)
tree969fef59384ceb7b90b9b96082637822f4b4446f /kernel
parent5d62c183f9e9df1deeea0906d099a94e8a43047a (diff)
downloadlinux-fd45bb77ad682be728d1002431d77b8c73342836.tar.xz
timers: Invoke timer_start_debug() where it makes sense
The timer start debug function is called before the proper timer base is set. As a consequence the trace data contains the stale CPU and flags values. Call the debug function after setting the new base and flags. Fixes: 500462a9de65 ("timers: Switch to a non-cascading wheel") Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: stable@vger.kernel.org Cc: rt@linutronix.de Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Anna-Maria Gleixner <anna-maria@linutronix.de> Link: https://lkml.kernel.org/r/20171222145337.792907137@linutronix.de
Diffstat (limited to 'kernel')
-rw-r--r--kernel/time/timer.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 6be576e02209..89a9e1b4264a 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1007,8 +1007,6 @@ __mod_timer(struct timer_list *timer, unsigned long expires, unsigned int option
if (!ret && (options & MOD_TIMER_PENDING_ONLY))
goto out_unlock;
- debug_activate(timer, expires);
-
new_base = get_target_base(base, timer->flags);
if (base != new_base) {
@@ -1032,6 +1030,8 @@ __mod_timer(struct timer_list *timer, unsigned long expires, unsigned int option
}
}
+ debug_activate(timer, expires);
+
timer->expires = expires;
/*
* If 'idx' was calculated above and the base time did not advance