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Message-ID: <470F68EC.6040809@bull.net>
Date: Fri, 12 Oct 2007 14:30:36 +0200
From: Nadia Derbey <Nadia.Derbey@...l.net>
To: "Robert P. J. Day" <rpjday@...dspring.com>
Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: what is the rationale for "TAINT_USER"?
Robert P. J. Day wrote:
> i can see what the theoretical purpose for it is here:
>
> http://kerneltrap.org/node/6656
>
> but it's not clear how it can possibly be set from userland given
> that:
>
> $ grep -r TAINT_USER *
> include/linux/kernel.h:#define TAINT_USER (1<<6)
> kernel/panic.c: tainted & TAINT_USER ? 'U' : ' ',
> $
>
> am i missing something screamingly obvious?
>
> rday
#ifdef CONFIG_PROC_SYSCTL
{
.ctl_name = KERN_TAINTED,
.procname = "tainted",
.data = &tainted,
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = &proc_dointvec_taint,
},
#endif
Regards,
Nadia
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