linux-kernel - Re: [PATCH 00/59] Introduce credentials

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Message-ID: <20080827173950.02afc804@lxorguk.ukuu.org.uk>
Date:	Wed, 27 Aug 2008 17:39:50 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	David Howells <dhowells@...hat.com>
Cc:	dhowells@...hat.com, linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org
Subject: Re: [PATCH 00/59] Introduce credentials

> We get a number of things:
> 
>  (1) Multiple credential changes all happen simultaneously (setresuid() for
>      example).  The new set of credentials is committed with a single RCU
>      assignment.

Makes sense - except for the question of bounding memory utilisation.

> > I've never seen credentials of any kind showing in profiles so why do we
> > need this ?
> 
> I'm not sure what you mean by that.  Are you talking abo

Sorry I was assuming this was performance driven in fact the reasons are
totally different.

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