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Message-ID: <20240610164026.619295826@linutronix.de>
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Anna-Maria Behnsen <anna-maria@linutronix.de>,
 Frederic Weisbecker <frederic@kernel.org>,
 John Stultz <jstultz@google.com>,
 Peter Zijlstra <peterz@infradead.org>,
 Ingo Molnar <mingo@kernel.org>,
 Stephen Boyd <sboyd@kernel.org>,
 Eric Biederman <ebiederm@xmission.com>,
 Oleg Nesterov <oleg@redhat.com>
Subject: [patch V3 18/51] posix-timers: Clear overrun in common_timer_set()
References: <20240610163452.591699700@linutronix.de>
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Date: Mon, 10 Jun 2024 18:42:27 +0200 (CEST)

Keeping the overrun count of the previous setup around is just wrong. The
new setting has nothing to do with the previous one and has to start from a
clean slate.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
---
 kernel/time/posix-timers.c |    1 +
 1 file changed, 1 insertion(+)

--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -881,6 +881,7 @@ int common_timer_set(struct k_itimer *ti
 	timr->it_requeue_pending = (timr->it_requeue_pending + 2) &
 		~REQUEUE_PENDING;
 	timr->it_overrun_last = 0;
+	timr->it_overrun = -1LL;
 
 	/* Switch off the timer when it_value is zero */
 	if (!new_setting->it_value.tv_sec && !new_setting->it_value.tv_nsec)