From: Dave Jones <davej@redhat.com>
To: Andy Lutomirski <luto@amacapital.net>
Cc: paulmck@linux.vnet.ibm.com,
Linux Kernel <linux-kernel@vger.kernel.org>,
rgb@redhat.com, eparis@redhat.com, fweisbec@gmail.com,
Linus Torvalds <torvalds@linux-foundation.org>,
Oleg Nesterov <oleg@redhat.com>
Subject: Re: audit: rcu_read_lock() used illegally while idle
Date: Wed, 3 Dec 2014 15:19:47 -0500 [thread overview]
Message-ID: <20141203201947.GA4931@redhat.com> (raw)
In-Reply-To: <547F6D60.5050007@amacapital.net>
On Wed, Dec 03, 2014 at 12:06:56PM -0800, Andy Lutomirski wrote:
> >> Did something in RCU change recently ?
> >
> > Not since -rc1, as far as I know, anyway.
>
> I have patches to delete this whole fscking sysret fast but not really
> fast path. I'll resend them for 3.19. In the mean time, can you test
> this patch by itself:
>
> https://git.kernel.org/cgit/linux/kernel/git/luto/linux.git/commit/?h=x86/entry&id=1072a16a8d4ad1b11b8062f76e3236b9771b0fb6
With that applied, I no longer see the trace.
thanks,
Dave
next prev parent reply other threads:[~2014-12-03 20:21 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-03 18:19 audit: rcu_read_lock() used illegally while idle Dave Jones
2014-12-03 19:29 ` Paul E. McKenney
2014-12-03 20:06 ` Andy Lutomirski
2014-12-03 20:19 ` Dave Jones [this message]
2014-12-03 20:38 ` Andy Lutomirski
2014-12-03 22:08 ` Frederic Weisbecker
2014-12-03 22:12 ` Andy Lutomirski
2014-12-03 23:49 ` Frederic Weisbecker
2014-12-03 23:18 ` [PATCH] context_tracking: Restore previous state in schedule_user Andy Lutomirski
2014-12-03 23:26 ` Andy Lutomirski
2014-12-03 23:31 ` Dave Jones
2014-12-03 23:58 ` Frederic Weisbecker
2014-12-04 0:04 ` Andy Lutomirski
2014-12-04 0:30 ` Dave Jones
2014-12-04 0:38 ` Andy Lutomirski
2014-12-04 1:13 ` Frederic Weisbecker
2014-12-03 23:37 ` [PATCH v2] " Andy Lutomirski
2014-12-03 23:50 ` Paul E. McKenney
2014-12-04 0:01 ` Frederic Weisbecker
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