linux-kernel - Re: [RFC][PATCH] Add prctl to set sibling thread names

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Message-ID: <20091022002853.GP32470@one.firstfloor.org>
Date:	Thu, 22 Oct 2009 02:28:53 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	john stultz <johnstul@...ibm.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Mike Fulton <fultonm@...ibm.com>,
	Sean Foley <Sean_Foley@...ibm.com>,
	Darren Hart <dvhltc@...ibm.com>
Subject: Re: [RFC][PATCH] Add prctl to set sibling thread names

On Wed, Oct 21, 2009 at 04:21:37PM -0700, john stultz wrote:
> 
> Taking a very raw attempt at this, I scratched out the following simple
> implementation. I'd appreciate any review or suggestions for
> improvements. I'm not at all certain the passing of the thread pid_t
> through the unsigned long is valid, for instance, or if
> same_thread_group() is the right check to make sure we only change
> siblings and not tid from other processes. So any advice on better
> approaches would be great.

First though that comes to mind is that this should not be in prctl()

-Andi
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