linux-kernel - Re: [PATCH] kthread: Export kthread functions

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Message-ID: <CAFLxGvw3LEWc5=85OrSM4DK6fUma5uPaRK+RpzHBs4DBcM+fEg@mail.gmail.com>
Date:	Sat, 25 Jul 2015 14:05:15 +0200
From:	Richard Weinberger <richard.weinberger@...il.com>
To:	David Kershner <david.kershner@...sys.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>, laijs@...fujitsu.com,
	nacc@...ux.vnet.ibm.com, nhorman@...hat.com,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, jes.sorensen@...hat.com,
	sparmaintainer@...sys.com
Subject: Re: [PATCH] kthread: Export kthread functions

On Sat, Jul 25, 2015 at 12:45 AM, David Kershner
<david.kershner@...sys.com> wrote:
> The s-Par visornic driver, currently in staging, processes a queue
> being serviced by the an s-Par service partition. We can get a message
> that something has happened with the Service Partition, when that
> happens, we must not access the channel until we get a message that the
> service partition is back again.
>
> The visornic driver has a thread for processing the channel, when we
> get the message, we need to be able to park the thread and then resume
> it when the problem clears.
>
> We can do this with kthread_park and unpark but they are not exported
> from the kernel, this patch exports the needed functions.

Are you sure that you need these function?
You would be the first user.
Please see: https://lkml.org/lkml/2015/7/8/1150

-- 
Thanks,
//richard
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