From: Peter Zijlstra <peterz@infradead.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>, Milos Vyletel <milos@redhat.com>,
Prarit Bhargava <prarit@redhat.com>, Tejun Heo <tj@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/8] stop_machine: make cpu_stop_queue_work() and stop_one_cpu_nowait() return bool
Date: Tue, 17 Nov 2015 19:05:32 +0100 [thread overview]
Message-ID: <20151117180532.GB3816@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20151117170523.GA13955@redhat.com>
On Tue, Nov 17, 2015 at 06:05:23PM +0100, Oleg Nesterov wrote:
> On 11/15, Oleg Nesterov wrote:
> >
> > --- a/include/linux/stop_machine.h
> > +++ b/include/linux/stop_machine.h
> > @@ -29,7 +29,7 @@ struct cpu_stop_work {
> >
> > int stop_one_cpu(unsigned int cpu, cpu_stop_fn_t fn, void *arg);
> > int stop_two_cpus(unsigned int cpu1, unsigned int cpu2, cpu_stop_fn_t fn, void *arg);
> > -void stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
> > +bool stop_one_cpu_nowait(unsigned int cpu, cpu_stop_fn_t fn, void *arg,
> > struct cpu_stop_work *work_buf);
>
> Peter, sorry!!!
>
> I forgot to update the !CONFIG_SMP version of stop_one_cpu_nowait(). Please
> see V2 below.
No problem, updated the patch.
next prev parent reply other threads:[~2015-11-17 18:06 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-15 19:32 [PATCH 0/8] stop_machine: stop_one_cpu_nowait() fix, misc cleanups Oleg Nesterov
2015-11-15 19:33 ` [PATCH 1/8] stop_machine: cpu_stopper_thread() must check done != NULL Oleg Nesterov
2015-11-16 18:52 ` Tejun Heo
2015-11-17 17:53 ` Oleg Nesterov
2015-11-23 16:21 ` [tip:sched/core] stop_machine: Fix possible cpu_stopper_thread() crash tip-bot for Oleg Nesterov
2015-11-15 19:33 ` [PATCH 2/8] stop_machine: don't disable preemption in stop_two_cpus() Oleg Nesterov
2015-11-23 16:21 ` [tip:sched/core] stop_machine: Don' t " tip-bot for Oleg Nesterov
2015-11-15 19:33 ` [PATCH 3/8] stop_machine: make cpu_stop_queue_work() and stop_one_cpu_nowait() return bool Oleg Nesterov
2015-11-17 17:05 ` [PATCH v2 " Oleg Nesterov
2015-11-17 18:05 ` Peter Zijlstra [this message]
2015-11-23 16:22 ` [tip:sched/core] stop_machine: Make " tip-bot for Oleg Nesterov
2015-11-15 19:33 ` [PATCH 4/8] stop_machine: change stop_one_cpu() to rely on cpu_stop_queue_work() Oleg Nesterov
2015-11-23 16:22 ` [tip:sched/core] stop_machine: Change " tip-bot for Oleg Nesterov
2015-11-15 19:33 ` [PATCH 5/8] stop_machine: change __stop_cpus() " Oleg Nesterov
2015-11-23 16:22 ` [tip:sched/core] stop_machine: Change " tip-bot for Oleg Nesterov
2015-11-15 19:33 ` [PATCH 6/8] stop_machine: kill cpu_stop_done->executed Oleg Nesterov
2015-11-23 16:23 ` [tip:sched/core] stop_machine: Kill cpu_stop_done->executed tip-bot for Oleg Nesterov
2015-11-15 19:33 ` [PATCH 7/8] stop_machine: shift the done != NULL check from cpu_stop_signal_done() to callers Oleg Nesterov
2015-11-23 16:23 ` [tip:sched/core] stop_machine: Shift the 'done != NULL' " tip-bot for Oleg Nesterov
2015-11-15 19:33 ` [PATCH 8/8] stop_machine: cleanup the usage of preemption counter in cpu_stopper_thread() Oleg Nesterov
2015-11-16 19:10 ` Tejun Heo
2015-11-23 16:23 ` [tip:sched/core] stop_machine: Clean up the usage of the " tip-bot for Oleg Nesterov
2015-11-16 9:43 ` [PATCH 0/8] stop_machine: stop_one_cpu_nowait() fix, misc cleanups Peter Zijlstra
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