linux-kernel - Re: GPL only modules [was Re: [GIT PATCH] more Driver core patches for 2.6.19]

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Date:	Sun, 17 Dec 2006 11:54:17 +0100 (CET)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
cc:	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: Re: GPL only modules [was Re: [GIT PATCH] more Driver core patches
 for 2.6.19]

On Thu, 14 Dec 2006, Jan Engelhardt wrote:
> On Dec 14 2006 14:10, Arjan van de Ven wrote:
> >On Thu, 2006-12-14 at 13:55 +0100, Jan Engelhardt wrote:
> >> >On Thu, 14 Dec 2006 12:31:16 +0100
> >> >Hans-Jürgen Koch wrote:
> >> >
> >> >You think its any easier to debug because the code now runs in ring 3 but
> >> >accessing I/O space.
> >> 
> >> A NULL fault won't oops the system,
> >
> >.. except when the userspace driver crashes as a result and then the hw
> >still crashes the hw (for example via an irq storm or by tying the PCI
> >bus or .. )
> 
> hw crashes the hw? Anyway, yes it might happen, the more with non-NULL pointers
> (dangling references f.ex.)
> However, if the userspace part is dead, no one acknowledges the irq, hence an
> irq storm (if not caused by writing bogus stuff into registers) should not
> happen.

Shared level IRQ?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

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