From: Peter Zijlstra <peterz@infradead.org>
To: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>,
linux-kernel@vger.kernel.org, Tejun Heo <tj@kernel.org>,
Oleg Nesterov <oleg@redhat.com>, Ingo Molnar <mingo@kernel.org>,
Rik van Riel <riel@redhat.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
Tobias Orlamuende <orlam@de.ibm.com>
Subject: Re: [RFC][PATCH] sched: Start stopper early
Date: Mon, 26 Oct 2015 21:20:36 +0100 [thread overview]
Message-ID: <20151026202036.GY2508@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20151026152436.754c65b0@holzheu>
On Mon, Oct 26, 2015 at 03:24:36PM +0100, Michael Holzheu wrote:
> On Fri, 16 Oct 2015 14:01:25 +0200
> Heiko Carstens <heiko.carstens@de.ibm.com> wrote:
>
> > On Fri, Oct 16, 2015 at 11:57:06AM +0200, Peter Zijlstra wrote:
> > > On Fri, Oct 16, 2015 at 10:22:12AM +0200, Heiko Carstens wrote:
> > > > So, actually this doesn't fix the bug and it _seems_ to be reproducible.
> > > >
> > > > [ FWIW, I will be offline for the next two weeks ]
> > >
> > > So the series from Oleg would be good to try; I can make a git tree for
> > > you, or otherwise stuff the lot into a single patch.
> > >
> > > Should I be talking to someone else whilst you're having down time?
> >
> > Yes Michael Holzheu (on cc), can take care of this.
>
> I tested Peter's "tip/master" and "tip/sched/core". With the following
> commit our issue seems to be fixed:
>
> 2b621a085a ("stop_machine: Change cpu_stop_queue_two_works() to rely
> on stopper->enabled")
>
> When do you plan to merge the patch series in the mainline kernel?
They're slated for the next merge window. Thanks for testing!
prev parent reply other threads:[~2015-10-26 20:20 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-07 8:41 Peter Zijlstra
2015-10-07 12:30 ` Oleg Nesterov
2015-10-07 12:38 ` Peter Zijlstra
2015-10-07 13:20 ` Oleg Nesterov
2015-10-07 13:24 ` Oleg Nesterov
2015-10-07 13:36 ` kbuild test robot
2015-10-08 14:50 ` [PATCH 0/3] (Was: [RFC][PATCH] sched: Start stopper early) Oleg Nesterov
2015-10-08 14:51 ` [PATCH 1/3] stop_machine: ensure that a queued callback will be called before cpu_stop_park() Oleg Nesterov
2015-10-14 15:34 ` Peter Zijlstra
2015-10-14 19:03 ` Oleg Nesterov
2015-10-14 20:32 ` Peter Zijlstra
2015-10-15 17:02 ` Oleg Nesterov
2015-10-16 10:49 ` Peter Zijlstra
2015-10-20 9:32 ` [tip:sched/core] stop_machine: Ensure " tip-bot for Oleg Nesterov
2015-10-08 14:51 ` [PATCH 2/3] stop_machine: introduce __cpu_stop_queue_work() and cpu_stop_queue_two_works() Oleg Nesterov
2015-10-20 9:33 ` [tip:sched/core] stop_machine: Introduce " tip-bot for Oleg Nesterov
2015-10-08 14:51 ` [PATCH 3/3] stop_machine: change cpu_stop_queue_two_works() to rely on stopper->enabled Oleg Nesterov
2015-10-08 15:04 ` Peter Zijlstra
2015-10-08 15:59 ` Oleg Nesterov
2015-10-08 16:08 ` Oleg Nesterov
2015-10-08 17:01 ` [PATCH v2 " Oleg Nesterov
2015-10-09 16:37 ` Peter Zijlstra
2015-10-09 16:40 ` Oleg Nesterov
2015-10-20 9:33 ` [tip:sched/core] stop_machine: Change " tip-bot for Oleg Nesterov
2015-10-08 18:05 ` [RFC][PATCH] sched: Start stopper early Oleg Nesterov
2015-10-08 18:47 ` Oleg Nesterov
2015-10-09 16:00 ` [PATCH 0/3] make stopper threads more "selfparking" Oleg Nesterov
2015-10-09 16:00 ` [PATCH 1/3] stop_machine: kill smp_hotplug_thread->pre_unpark, introduce stop_machine_unpark() Oleg Nesterov
2015-10-20 9:33 ` [tip:sched/core] stop_machine: Kill smp_hotplug_thread-> pre_unpark, " tip-bot for Oleg Nesterov
2015-10-09 16:00 ` [PATCH 2/3] stop_machine: kill cpu_stop_threads->setup() and cpu_stop_unpark() Oleg Nesterov
2015-10-20 9:34 ` [tip:sched/core] stop_machine: Kill " tip-bot for Oleg Nesterov
2015-10-09 16:00 ` [PATCH 3/3] sched: start stopper early Oleg Nesterov
2015-10-09 16:49 ` Oleg Nesterov
2015-10-20 9:34 ` [tip:sched/core] sched: Start " tip-bot for Peter Zijlstra
2015-10-16 8:22 ` [RFC][PATCH] " Heiko Carstens
2015-10-16 9:57 ` Peter Zijlstra
2015-10-16 12:01 ` Heiko Carstens
2015-10-26 14:24 ` Michael Holzheu
2015-10-26 20:20 ` Peter Zijlstra [this message]
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