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Message-ID: <20070214133042.GJ22008@elf.ucw.cz>
Date:	Wed, 14 Feb 2007 14:30:42 +0100
From:	Pavel Machek <pavel@....cz>
To:	"Kawai, Hidehiro" <hidehiro.kawai.ez@...achi.com>
Cc:	Robin Holt <holt@....com>, akpm@...l.org,
	linux-kernel@...r.kernel.org, dhowells@...hat.com,
	alan@...rguk.ukuu.org.uk, sugita <yumiko.sugita.yf@...achi.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Satoshi OSHIMA <soshima@...hat.com>,
	"Hideo AOKI@...hat" <haoki@...hat.com>
Subject: Re: [PATCH 0/4] coredump: core dump masking support v2

Hi!

> > Can we simply add ulimit with boolean value, that says dump
> > anon_shared... or not? It will be simpler and faster, because you'll
> > not need locking.
> 
> Yes, using ulimit will be simpler and faster, but less flexible.

It is prefered in this case.

> The core dump flags can be changed only before running the program.
> If the user modifies the program, the user will be able to change the
> flags anytime. But the user can't always modify the program.

You can do ulimit then exec from wrapper.

> I need the ability to change the core dump flags anytime.

Then maybe right solution is to extend _ulimit_ to change anything
anytime. But that's definitely separate patch.
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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