From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Steven Rostedt <rostedt@goodmis.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-rt-users <linux-rt-users@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Carsten Emde <C.Emde@osadl.org>, John Kacur <jkacur@redhat.com>,
Clark Williams <williams@redhat.com>
Subject: Re: 3.14.23-rt20 - aio: fix rcu garbage collection might_sleep() splat
Date: Tue, 17 Feb 2015 15:01:37 +0100 [thread overview]
Message-ID: <1424181697.2955.6.camel@gmail.com> (raw)
In-Reply-To: <20150217125342.GJ26177@linutronix.de>
On Tue, 2015-02-17 at 13:53 +0100, Sebastian Andrzej Siewior wrote:
> * Mike Galbraith | 2014-11-02 08:31:28 [+0100]:
>
> >(not pretty)
>
> You do the RCU thingy and replace locking. Is this required after the
> patch I've sent in "Re: [RFC PATCH V2] rt/aio: fix rcu garbage
> collection might_sleep() splat"? From a quick browse I've seen that
> ffs_epfile_aio_write() invokes kiocb_set_cancel_fn(, ffs_aio_cancel) and
> the function does hold a sleeping lock.
Yeah, I don't think that's changed, it should still gripe.
-Mike
next prev parent reply other threads:[~2015-02-17 14:01 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-31 21:03 [ANNOUNCE] 3.14.23-rt20 Steven Rostedt
2014-11-02 7:30 ` Mike Galbraith
[not found] ` <CADLDEKvFvw7Aa98tVtM3z5JV8oocKqAdV4PqOMoZH2mXZ6x2jg@mail.gmail.com>
2014-11-05 14:04 ` Juerg Haefliger
2014-11-05 14:27 ` Steven Rostedt
2014-11-05 14:43 ` Juerg Haefliger
2014-11-05 15:00 ` Steven Rostedt
2014-11-05 15:35 ` Harry van Haaren
2014-11-05 15:44 ` Mike Galbraith
2014-11-05 16:07 ` Thomas Gleixner
2014-11-05 16:07 ` Thomas Gleixner
2014-11-05 22:29 ` Thomas Gleixner
2014-11-05 22:48 ` Steven Rostedt
2014-11-05 23:11 ` Thomas Gleixner
[not found] ` <1414910967.5380.81.camel@marge.simpson.net>
2014-11-02 7:30 ` 3.14.23-rt20 - sched/numa: Fix task_numa_free() lockdep splat Mike Galbraith
2014-11-02 7:31 ` 3.14.23-rt20 - wwmutex: fix __ww_mutex_lock_interruptible lockdep annotation Mike Galbraith
2014-11-02 7:31 ` 3.14.23-rt20 - mm,memcg: make refill_stock()/consume_stock() use get_cpu_light() Mike Galbraith
2014-11-02 7:31 ` 3.14.23-rt20 - fs,btrfs: fix rt deadlock on extent_buffer->lock Mike Galbraith
2015-02-17 11:56 ` Sebastian Andrzej Siewior
2015-02-17 12:23 ` Mike Galbraith
2015-02-18 10:47 ` Mike Galbraith
2014-11-02 7:31 ` 3.14.23-rt20 - aio: fix rcu garbage collection might_sleep() splat Mike Galbraith
2015-02-17 12:53 ` Sebastian Andrzej Siewior
2015-02-17 14:01 ` Mike Galbraith [this message]
2014-11-02 7:31 ` 3.14.23-rt20 - x86, UV: raw_spinlock conversion Mike Galbraith
2015-02-17 13:02 ` Sebastian Andrzej Siewior
2015-02-17 14:11 ` Mike Galbraith
2014-11-02 7:31 ` 3.14.23-rt20 - softirq: resurrect softirq threads Mike Galbraith
2015-02-17 13:05 ` Sebastian Andrzej Siewior
2015-02-17 14:00 ` Mike Galbraith
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1424181697.2955.6.camel@gmail.com \
--to=umgwanakikbuti@gmail.com \
--cc=C.Emde@osadl.org \
--cc=bigeasy@linutronix.de \
--cc=jkacur@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rt-users@vger.kernel.org \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.de \
--cc=williams@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.