From: Frederic Weisbecker <frederic@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: "Paul E. McKenney" <paulmck@linux.ibm.com>,
linux-kernel@vger.kernel.org, mingo@redhat.com,
tglx@linutronix.de
Subject: Re: [PATCH] time/tick-broadcast: Fix tick_broadcast_offline() lockdep complaint
Date: Tue, 25 Jun 2019 14:25:16 +0200 [thread overview]
Message-ID: <20190625122514.GA23880@lenoir> (raw)
In-Reply-To: <20190625075139.GT3436@hirez.programming.kicks-ass.net>
On Tue, Jun 25, 2019 at 09:51:39AM +0200, Peter Zijlstra wrote:
> On Tue, Jun 25, 2019 at 02:43:00AM +0200, Frederic Weisbecker wrote:
> > Yeah, unfortunately there is no atomic_add_not_zero_return().
>
> There is atomic_fetch_add_unless().
Ah, that could work!
next prev parent reply other threads:[~2019-06-25 12:25 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-19 18:19 [PATCH] time/tick-broadcast: Fix tick_broadcast_offline() lockdep complaint Paul E. McKenney
2019-06-20 12:10 ` Peter Zijlstra
2019-06-20 16:01 ` Paul E. McKenney
2019-06-20 21:10 ` Peter Zijlstra
2019-06-20 22:13 ` Paul E. McKenney
2019-06-21 10:55 ` Peter Zijlstra
2019-06-21 12:16 ` Paul E. McKenney
2019-06-21 12:29 ` Peter Zijlstra
2019-06-21 13:34 ` Paul E. McKenney
2019-06-21 17:41 ` Paul E. McKenney
2019-06-21 17:50 ` Paul E. McKenney
2019-06-21 23:46 ` Paul E. McKenney
2019-06-24 23:12 ` Frederic Weisbecker
2019-06-24 23:44 ` Paul E. McKenney
2019-06-25 0:43 ` Frederic Weisbecker
2019-06-25 2:05 ` Paul E. McKenney
2019-06-25 7:51 ` Peter Zijlstra
2019-06-25 12:25 ` Frederic Weisbecker [this message]
2019-06-25 13:54 ` Paul E. McKenney
2019-06-25 14:05 ` Peter Zijlstra
2019-06-25 14:16 ` Paul E. McKenney
2019-06-25 16:20 ` Frederic Weisbecker
2019-06-25 16:52 ` Paul E. McKenney
2019-06-28 7:37 ` Peter Zijlstra
2019-06-28 12:17 ` Paul E. McKenney
2019-07-25 16:14 ` [tip:sched/core] " tip-bot for Paul E. McKenney
-- strict thread matches above, loose matches on Subject: below --
2019-05-27 14:39 [PATCH] " Paul E. McKenney
2019-05-28 20:07 ` Thomas Gleixner
2019-05-29 18:19 ` Paul E. McKenney
2019-05-30 12:58 ` Paul E. McKenney
2019-05-31 1:36 ` Frederic Weisbecker
2019-05-31 13:43 ` Paul E. McKenney
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