Re: notify_parent (was: Re: Linux 2.6.9-rc2)

From: Geert Uytterhoeven
Date: Wed Sep 15 2004 - 04:10:38 EST


On Tue, 14 Sep 2004, Roland McGrath wrote:
> > On Mon, 13 Sep 2004, Linus Torvalds wrote:
> > > Roland McGrath:
> > > o cleanup ptrace stops and remove notify_parent
> >
> > However, there are still a few users of notify_parent():
>
> IIRC all these are old arch-specific signal code that is rampantly wrong in
> semantics compared to what the up-to-date arch's using the generic code do,
> for quite a long time now. I believe I mentioned this when I posted the
> patch. All this arch signal code needs to be rewritten to use
> get_signal_to_deliver, and define ptrace_signal_deliver appropriately to
> get its arch-specific work done. The old style of code that does all the
> central signal dispatch logic itself is hopeless. Mostly you have a lot of
> old cruft to remove, and the code that needs to be left is much smaller and
> simpler because the complex stuff is in the shared kernel/signal.c.
>
> > You forgot to add `struct rusage _rusage' members to struct siginfo._sigchld
> > for 2 architectures that define HAVE_ARCH_SIGINFO_T.
>
> I didn't forget. I never claimed to update other arch's. The arch
> maintainers need to keep up with patches like you are doing with these
> here. Most other arch maintainers have submitted their updates already.
> You may need to update some copy_*_siginfo functions if your arch's
> have them in compat code as well.

Hence (IMHO) they should have gone through linux-arch...

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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