From: Peter Zijlstra <peterz@infradead.org>
To: "Paul E. McKenney" <paulmck@linux.ibm.com>
Cc: Theodore Ts'o <tytso@mit.edu>, Dmitry Vyukov <dvyukov@google.com>,
syzbot <syzbot+4bfbbf28a2e50ab07368@syzkaller.appspotmail.com>,
Andreas Dilger <adilger.kernel@dilger.ca>,
David Miller <davem@davemloft.net>,
eladr@mellanox.com, Ido Schimmel <idosch@mellanox.com>,
Jiri Pirko <jiri@mellanox.com>,
John Stultz <john.stultz@linaro.org>,
linux-ext4@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
netdev <netdev@vger.kernel.org>,
syzkaller-bugs <syzkaller-bugs@googlegroups.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: INFO: rcu detected stall in ext4_write_checks
Date: Mon, 15 Jul 2019 15:22:50 +0200 [thread overview]
Message-ID: <20190715132250.GF3419@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20190707011655.GA22081@linux.ibm.com>
On Sat, Jul 06, 2019 at 06:16:55PM -0700, Paul E. McKenney wrote:
> 4. SCHED_DEADLINE treats the other three scheduling classes as each
> having a period, deadline, and a modest CPU consumption budget
> for the members of the class in aggregate. But this has to have
> been discussed before. How did that go?
Yeah; this has been proposed a number of times; and I think everybody
agrees that it is a good idea, but nobody has so far sat down and wrote
the patches.
Or rather; we would've gotten this for 'free' with the rt-cgroup
rewrite, but that's been stuck forever due to affinity being difficult.
next prev parent reply other threads:[~2019-07-15 13:23 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-26 17:27 INFO: rcu detected stall in ext4_write_checks syzbot
2019-06-26 18:42 ` Theodore Ts'o
2019-06-26 21:03 ` Theodore Ts'o
2019-06-26 22:47 ` Theodore Ts'o
2019-07-05 13:24 ` Dmitry Vyukov
2019-07-05 15:16 ` Paul E. McKenney
2019-07-05 15:47 ` Amir Goldstein
2019-07-05 15:48 ` Dmitry Vyukov
2019-07-05 19:10 ` Paul E. McKenney
2019-07-06 4:28 ` Theodore Ts'o
2019-07-06 6:16 ` Paul E. McKenney
2019-07-06 15:02 ` Theodore Ts'o
2019-07-06 18:03 ` Paul E. McKenney
2019-07-07 1:16 ` Paul E. McKenney
2019-07-14 14:48 ` Dmitry Vyukov
2019-07-14 18:49 ` Paul E. McKenney
2019-07-15 13:29 ` Peter Zijlstra
2019-07-15 13:33 ` Dmitry Vyukov
2019-07-15 13:46 ` Peter Zijlstra
2019-07-15 14:02 ` Paul E. McKenney
2019-07-22 10:03 ` Dmitry Vyukov
2019-07-23 8:51 ` Dmitry Vyukov
2019-07-14 19:05 ` Theodore Ts'o
2019-07-14 19:29 ` Paul E. McKenney
2019-07-15 3:10 ` Paul E. McKenney
2019-07-15 13:01 ` Paul E. McKenney
2019-07-15 13:29 ` Dmitry Vyukov
2019-07-15 13:39 ` Peter Zijlstra
2019-07-15 14:03 ` Paul E. McKenney
2019-07-15 13:22 ` Peter Zijlstra [this message]
2019-07-05 13:18 ` Dmitry Vyukov
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