From: Alex Riesen <Alexander.Riesen@synopsys.com>
To: Ingo Molnar <mingo@redhat.com>
Cc: linux-kernel@vger.kernel.org, Sean Neakums <sneakums@zork.net>
Subject: Re: world read permissions on /proc/irq/prof_cpu_mask and ...smp_affinity
Date: Thu, 5 Dec 2002 12:24:21 +0100 [thread overview]
Message-ID: <20021205112421.GG26745@riesen-pc.gr05.synopsys.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0212041036001.22730-100000@devserv.devel.redhat.com>
On Wed, Dec 04, 2002 at 10:37:01AM -0500, Ingo Molnar wrote:
> > Is there any reason to set the permissions to 0600?
> > It makes the admin to login as root just to look on the
> > current system state.
> > Is there something against 0644?
>
> i've got nothing against 0644, 0600 was just the default paranoid value.
> (reading it could in theory mean an IO-APIC read.)
>
Just found a patch from Olaf Dietsche (2.5.40: fix chmod/chown on procfs).
Quote:
This patch allows to change uid, gid and mode of files and directories
located in procfs.
The patch was accepted 2.5.
This perfectly solves the problem, and in very clean way, i think.
-alex
prev parent reply other threads:[~2002-12-05 11:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-03 11:49 world read permissions on /proc/irq/prof_cpu_mask and ...smp_affinity Alex Riesen
2002-12-04 15:37 ` Ingo Molnar
2002-12-04 18:19 ` Alex Riesen
2002-12-05 11:24 ` Alex Riesen [this message]
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