From: Peter Zijlstra <peterz@infradead.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Cheng Chao <chengchao@kedacom.com>,
mingo@kernel.org, tj@kernel.org, akpm@linux-foundation.org,
chris@chris-wilson.co.uk, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] stop_machine: Make migration_cpu_stop() does useful works for CONFIG_PREEMPT_NONE
Date: Fri, 9 Sep 2016 18:24:14 +0200 [thread overview]
Message-ID: <20160909162414.GI10153@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20160909131448.GA12370@redhat.com>
On Fri, Sep 09, 2016 at 03:14:49PM +0200, Oleg Nesterov wrote:
> On 09/09, Cheng Chao wrote:
> >
> > If the migration_cpu_stop() can not migrate,why do we call stop_one_cpu()?
> > It just makes the task TASK_UNINTERRUPTIBLE, wakes up the stopper thread,
> > executes migration_cpu_stop(), and the stopper thread wakes up the task.
>
Still not seeing any mail from Cheng Chao. I think he's mailing from a
domain that's not accepting email and then infradead makes its go-away,
why accept email from people who will not accept bounces.
Cheng, please fix your email setup.
next prev parent reply other threads:[~2016-09-09 16:24 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <OF73BCE1E4.D2224FEC-ON48258025.0022CFA7-48258025.0022E3DC@kedacom.com>
2016-09-09 8:13 ` Cheng Chao
2016-09-09 8:19 ` chengchao
2016-09-09 13:14 ` Oleg Nesterov
2016-09-09 16:24 ` Peter Zijlstra [this message]
2016-09-10 8:52 ` [PATCH v3] " Cheng Chao
2016-09-10 9:51 ` Cheng Chao
2016-09-10 16:33 ` Peter Zijlstra
2016-09-12 11:03 ` Oleg Nesterov
2016-09-13 2:45 ` Cheng Chao
2016-09-12 11:37 ` Peter Zijlstra
2016-09-12 11:41 ` Peter Zijlstra
2016-09-12 13:05 ` Oleg Nesterov
2016-09-12 15:01 ` Peter Zijlstra
2016-09-13 16:14 ` Oleg Nesterov
2016-09-13 16:37 ` Peter Zijlstra
2016-09-14 2:07 ` Cheng Chao
2016-09-14 7:50 ` Peter Zijlstra
2016-09-14 15:45 ` Oleg Nesterov
2016-09-22 13:59 ` [tip:sched/core] sched/core: Optimize __schedule() tip-bot for Peter Zijlstra
2016-09-13 4:03 ` [PATCH v3] stop_machine: Make migration_cpu_stop() does useful works for CONFIG_PREEMPT_NONE Cheng Chao
2016-09-13 8:45 ` Peter Zijlstra
2016-09-14 2:01 ` [PATCH v4] stop_machine: Avoid a sleep and wakeup in the stop_one_cpu() Cheng Chao
2016-09-14 15:53 ` Oleg Nesterov
2016-09-18 2:07 ` Cheng Chao
2016-09-22 13:59 ` [tip:sched/core] stop_machine: Avoid a sleep and wakeup in stop_one_cpu() tip-bot for Cheng Chao
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