Re: Is it useful to support user level drivers
Alan Cox (email@example.com)
Thu, 21 Jun 2001 12:04:34 +0100 (BST)
> level drivers (via ioperm, etc). However interrupts
> at user level are not supported, does anyone think
> it would be a good idea to add user level interrupt
> support ? I have a framework for it, but it still
> a lot of work.
The problem is that the IRQ has to be cleared in kernel space, because otherwise
you may deadlock.
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