linux-kernel - Re: [PATCH] Identify which executable object the userspace address belongs to. Store thread group leader id, and use it to lookup the address in the process's map. We could have looked up the address on thread's map, but the thread might not exist by the time we are called. The process might not exist either, but if you are reading trace

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Date:	Mon, 3 Nov 2008 09:21:48 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Török Edwin <edwintorok@...il.com>,
	Andy Whitcroft <apw@...dowen.org>
Cc:	srostedt@...hat.com, a.p.zijlstra@...llo.nl, sandmann@...mi.au.dk,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Identify which executable object the userspace address
	belongs to. Store thread group leader id, and use it to lookup the
	address in the process's map. We could have looked up the address
	on thread's map, but the thread might not exist by the time we are
	called. The process might not exist either, but if you are reading
	trace_pipe, that is unlikely.


* Török Edwin <edwintorok@...il.com> wrote:

> On 2008-11-03 09:47, Ingo Molnar wrote:
> > * Török Edwin <edwintorok@...il.com> wrote:
> >
> >   
> >> +		struct task_struct *task;
> >> +		/* we do the lookup on the thread group leader,
> >> +		 * since individual threads might have already quit! */
> >>     
> >
> > please use the customary comment style:
> >
> >   /*
> >    * Comment .....
> >    * ...... goes here:
> >    */
> >
> >   
> 
> . Can checkpatch.pl warn me of situations like this?

Cc:-ed Andy - it would be a useful feature indeed. (since there's no 
hard CodingStyle rule for it, it could be a default-off helper)

	Ingo
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