Messages in this thread | | | Date | Thu, 14 Dec 2006 13:55:47 +0100 (MET) | From | Jan Engelhardt <> | Subject | Re: GPL only modules [was Re: [GIT PATCH] more Driver core patches for 2.6.19] |
| |
On Dec 14 2006 12:42, Alan wrote: >On Thu, 14 Dec 2006 12:31:16 +0100 >Hans-Jürgen Koch <hjk@linutronix.de> wrote: >> You think it's easier for a manufacturer of industrial IO cards to >> debug a (large) kernel module? > >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, but of course the wrong inb/inw/inl() or outb* can fubar the machine.
>> > uio also doesn't handle hotplug, pci and other "small" matters. >> >> uio is supposed to be a very thin layer. Hotplug and PCI are already >> handled by other subsystems. > >And if you have a PCI or a hotplug card ? How many industrial I/O cards >are still ISA btw ?
Something called PC104 out there.
-`J' --
| |