From: Andrew Morton <akpm@osdl.org>
To: Andy Lutomirski <luto@myrealbox.com>
Cc: chrisw@osdl.org, linux-kernel@vger.kernel.org, luto@myrealbox.com
Subject: Re: [PATCH 0/2] capabilities
Date: Wed, 12 May 2004 16:41:32 -0700 [thread overview]
Message-ID: <20040512164132.2d30dac2.akpm@osdl.org> (raw)
In-Reply-To: <200405112024.22097.luto@myrealbox.com>
Andy Lutomirski <luto@myrealbox.com> wrote:
>
> This reintroduces useful capabilities.
>
What if there are existing applications which are deliberately or
inadvertently relying upon the current behaviour? That seems unlikely, but
the consequences are gruesome.
If I'm right in this concern, the fixed behaviour should be opt-in. That
could be via a new prctl() thingy but I think it would be better to do it
via a kernel boot parameter. Because long-term we should have the fixed
semantics and we should not be making people change userspace for some
transient 2.6-only kernel behaviour.
> Andrew- is this sufficiently non-scary for -mm?
Scares the shit out of me, frankly ;)
next prev parent reply other threads:[~2004-05-12 23:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-12 3:24 Andy Lutomirski
2004-05-12 3:44 ` Chris Wright
2004-05-12 23:41 ` Andrew Morton [this message]
2004-05-13 1:50 ` Andy Lutomirski
2004-05-13 1:55 ` Andrew Morton
2004-05-15 0:00 ` Paul Jakma
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