linux-kernel - Re: [PATCH repost] sched: export sched

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Message-ID: <20100701143325.GA10090@redhat.com>
Date:	Thu, 1 Jul 2010 16:33:26 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	"Michael S. Tsirkin" <mst@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Sridhar Samudrala <sri@...ibm.com>, Tejun Heo <tj@...nel.org>,
	netdev <netdev@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dmitri Vorobiev <dmitri.vorobiev@...ial.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH repost] sched: export sched_set/getaffinity to modules

On 07/01, Peter Zijlstra wrote:
>
> On Thu, 2010-07-01 at 16:08 +0300, Michael S. Tsirkin wrote:
> > Maybe it makes sense to add kthread_clone (in addition to
> > kthread_create) that would do what you suggest?
> > If yes, any hints on an implementation?
>
> I think that's called kernel_thread() see
> kernel/kthread.c:create_kthread().

Well, strictly speaking kernel_thread() doesn't create the kernel thread.
Unless the caller is the kernel thread. And daemonize() is deprecated.
kernel_thread() just forks the CLONE_VM + flags child.

Oleg.

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