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

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Message-ID: <CAKgNAkg1Mhwcs_-LroUCF57e2GKDHPKsJRYKt5QW=Z1tGA8Ojw@mail.gmail.com>
Date:	Wed, 7 Mar 2012 09:07:38 +1300
From:	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>
To:	Cyrill Gorcunov <gorcunov@...nvz.org>
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 7, 2012 at 9:01 AM, Cyrill Gorcunov <gorcunov@...nvz.org> wrote:
> On Wed, Mar 07, 2012 at 08:52:30AM +1300, Michael Kerrisk (man-pages) wrote:
> ...
>> >
>> > If you prefer to have it done earlier -- no problem, I'll cook
>> > a patch today instead on top of everything we've already
>> > merged into linux-next. What would you prefer?
>>
>> 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.

Cheers,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface"; http://man7.org/tlpi/
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