linux-kernel - Re: [PATCH v2 4/4] kthread: use kthread_create_on

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Message-ID: <1291111141.2904.17.camel@edumazet-laptop>
Date:	Tue, 30 Nov 2010 10:59:01 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Howells <dhowells@...hat.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>, Tejun Heo <tj@...nel.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	linux-arch@...r.kernel.org
Subject: Re: [PATCH v2 4/4] kthread: use kthread_create_on_cpu()

Le mardi 30 novembre 2010 à 09:38 +0000, David Howells a écrit :
> Eric Dumazet <eric.dumazet@...il.com> wrote:
> 
> > +		p = kthread_create_on_cpu(run_ksoftirqd, hcpu, hotcpu,
> > +					  "ksoftirqd/%d", hotcpu);
> 
> Does kthread_create_on_cpu() need to take hotcpu twice?  Can one of the
> arguments be folded into the other?
> 
> David

The second one is used in a printf() like to build a string, its not
really part of the API..

Caller could do instead :

char name[32];
sprintf(name, "ksoftirqd/%d", whatever_id);
p = kthread_create_on_cpu(run_ksoftirqd, hcpu, hotcpu, name);



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