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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <alpine.DEB.2.11.1507261042570.18576@nanos>
Date:	Sun, 26 Jul 2015 10:46:37 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Richard Weinberger <richard.weinberger@...il.com>
cc:	David Kershner <david.kershner@...sys.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>, laijs@...fujitsu.com,
	nacc@...ux.vnet.ibm.com, nhorman@...hat.com,
	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, 25 Jul 2015, Richard Weinberger wrote:

> 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.

And a reasonable one. The use case is sensible and it's preferrable
that people reuse known to work core facilities instead of creating
their own variants.

> Please see: https://lkml.org/lkml/2015/7/8/1150

Please do not use lkml.org links. lkml.org sucks.

Thanks,

	tglx
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/