linux-kernel - Re: [PATCH 1/2] prctl: Add PR_SET

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Message-ID: <20120306201606.GA16830@moon>
Date:	Wed, 7 Mar 2012 00:16:06 +0400
From:	Cyrill Gorcunov <gorcunov@...nvz.org>
To:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Pavel Emelyanov <xemul@...allels.com>,
	linux-man@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH 1/2] prctl: Add PR_SET_MM option description

On Wed, Mar 07, 2012 at 09:07:38AM +1300, Michael Kerrisk (man-pages) wrote:
> >>
> >> It would make sense if the capability requirements were finalized
> >> before 3.3 is released. Changing them after 3.3 creates (at least a
> >> little) pain for userspace.
> >>
> >
> > OK. I'll update and send a patch out.
> 
> Take a look at http://man7.org/linux/man-pages/man7/capabilities.7.html
> 
> The two most obvious alternatives are CAP_SYS_RESOURCE and
> CAP_SYS_NICE. Maybe CAP_SYS_NICE is better? I say this because of the
> (slight) similarity to existing operations in the CAP_SYS_NICE list.
> 

Well, dunno Michael, CAP_SYS_RESOURCE looks a bit metter for me since
the process is modifying own 'resources' (in term of what it owns).
Maybe Andrew or Tejun have something to say?

	Cyrill
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