linux-kernel - Re: [PATCH] ptrace: add ability to get clear_tid

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Date:	Fri, 3 Feb 2012 20:54:04 +0400
From:	Cyrill Gorcunov <gorcunov@...nvz.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Tejun Heo <tj@...nel.org>, Andrew Vagin <avagin@...nvz.org>,
	linux-kernel@...r.kernel.org, Roland McGrath <roland@...hat.com>,
	Pavel Emelyanov <xemul@...allels.com>
Subject: Re: [PATCH] ptrace: add ability to get clear_tid_address

On Fri, Feb 03, 2012 at 05:41:29PM +0100, Oleg Nesterov wrote:
> On 02/03, Cyrill Gorcunov wrote:
> >
> > On Fri, Feb 03, 2012 at 08:25:19AM -0800, Tejun Heo wrote:
> >
> > > Ummm... this really doesn't fit in ptrace.  Cyrill, why not put it
> > > together with other params you're exporting?
> 
> I agree. And to me this looks strange: some info is exported via /proc,
> some things need ptrace.
> 
> > We could add it to /proc/pid/stat (but I fear Andrew Morton shoot me then ;)
> 
> may be you can add /proc/pid/misc_ugly^Wrandom_things_for_cr which
> you can extend as needed ;)
> 

I personally don't mind to have /proc/pid/cr directory where we could
export all the data we might ever need. Still some things added (such
as /proc/pid/children) could be useful for other purposes as well, not
only c/r.

	Cyrill
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