Re: what is the rationale for "TAINT_USER"?

[Nadia Derbey <Nadia.Derbey@bull.net>]

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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