linux-kernel - Re: mmotm 2009-02-17-12-33 uploaded

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Message-ID: <20090218145037.GA24240@redhat.com>
Date:	Wed, 18 Feb 2009 15:50:37 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jiri Slaby <jirislaby@...il.com>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	tglx@...utronix.de, x86@...nel.org
Subject: Re: mmotm 2009-02-17-12-33 uploaded

On 02/18, Rusty Russell wrote:
>
> On Wednesday 18 February 2009 20:23:56 Andrew Morton wrote:
> > Someone else has been mucking with kthread.c in linux-next, and a
> > couple of days ago that mucking got dropped from linux-next.  Perhaps
> > this churn broke Oleg's patch.

"[merged] kthread-dont-looking-for-a-task-in-create_kthread-2.patch"
has "create->result = current;" in kthread(), then this line was
lost somehow,

> Oleg and I had an accidentally-offlist chat about these patches.
>
> Last we decided, a more ambitious approach was desired.  Patches RSN.

Yes, but can't we do this on top of current patches?

We are going to change the API a bit, so that kthread_create() bumps
a reference to task_struct. I think it would be nice to separate the
API changes from the implementation changes.

Oleg.

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