Re: [PATCH] ptrace: it is fun to strace /sbin/init

[Oleg Nesterov]

On 03/25, Pavel Machek wrote:
>
> On Tue 2008-03-25 02:04:58, Oleg Nesterov wrote:
> > On 03/24, Pavel Machek wrote:
> > >
> > > > /sbin/init is important, but there are other important (and sometimes
> > > > much more important) services. Why it is so special so that we can't
> > > > debug/strace it?
> > > 
> > > Maybe. Let's kill /sbin/init protection in 2.6.26. But making it
> > > optional is wrong.
> > 
> > You are right, the boot parameter is silly. How about sysctl?
> 
> I'd prefer it to be hardcoded, really.

Yes! me too.

> "You can kill /sbin/init" sounds right.
> 
> "You can kill /sbin/init on 2.6.26+" sounds... still quite ok.
> 
> "You can kill /sbin/init on 2.6.26+ if you have /proc/sys/foo/bar ==
> 1" sounds... quite wrong.

Please look at another discussion, http://marc.info/?t=120568298600007

When I did this simple patch, I was very sure it is "obviously good".
But as Stephen pointed out, we have the systems that relies on the
current behaviour, even if this behaviour is not "optimal".

Oleg.

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