From: "Paul E. McKenney" <paulmck@kernel.org>
To: Dexuan Cui <decui@microsoft.com>
Cc: Dexuan-Linux Cui <dexuan.linux@gmail.com>, Qian Cai <cai@lca.pw>,
"Joel Fernandes (Google)" <joel@joelfernandes.org>,
Tejun Heo <tj@kernel.org>, Josh Triplett <josh@joshtriplett.org>,
Steven Rostedt <rostedt@goodmis.org>,
"rcu@vger.kernel.org" <rcu@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Lili Deng <Lili.Deng@microsoft.com>,
Baihua Lu <Baihua.Lu@microsoft.com>
Subject: Re: "rcu: React to callback overload by aggressively seeking quiescent states" hangs on boot
Date: Sun, 15 Dec 2019 12:56:56 -0800 [thread overview]
Message-ID: <20191215205656.GO2889@paulmck-ThinkPad-P72> (raw)
In-Reply-To: <HK0P153MB01485AF4FC857C8D26F4F471BF560@HK0P153MB0148.APCP153.PROD.OUTLOOK.COM>
On Sun, Dec 15, 2019 at 08:40:40PM +0000, Dexuan Cui wrote:
> > From: Paul E. McKenney <paulmck@kernel.org>
> > Sent: Sunday, December 15, 2019 12:20 PM
> >
> > This is consistent with what I saw in Qian Cai's report, FYI. So I
> > am very interested in learning whether the first patch in my reply [1]
> > helps you.
> > Thanx, Paul
>
> Hi Paul, yes, your first patch (the below) can fix the hang issue:
>
> commit e8d6182b015bdd8221164477f4ab1c307bd2fbe9
> Author: Paul E. McKenney <paulmck@kernel.org>
> Date: Sun Dec 15 10:59:06 2019 -0800
>
> squash! rcu: React to callback overload by aggressively seeking quiescent states
Thank you! May I add your Tested-by?
Thanx, Paul
next prev parent reply other threads:[~2019-12-15 20:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-13 6:13 "rcu: React to callback overload by aggressively seeking quiescent states" hangs on boot Qian Cai
2019-12-13 22:46 ` Paul E. McKenney
2019-12-13 23:11 ` Qian Cai
2019-12-14 6:40 ` Paul E. McKenney
[not found] ` <CAA42JLbBFkpYHXRVvyveYO76DnbkE3gyRW-=qmBGZcJTAiB6Uw@mail.gmail.com>
2019-12-15 19:29 ` Dexuan-Linux Cui
2019-12-15 20:20 ` Paul E. McKenney
2019-12-15 20:40 ` Dexuan Cui
2019-12-15 20:56 ` Paul E. McKenney [this message]
2019-12-15 21:02 ` Dexuan Cui
[not found] <BCD69C9E-4E61-405F-A514-36096E0F34F4@lca.pw>
2019-12-15 20:18 ` Paul E. McKenney
2019-12-15 20:19 ` Dexuan Cui
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