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 <[email protected]> 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'
-- 

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