At 14:28 +0100 2001-06-21, Alan Cox wrote:
>No. The IRQ might be shared, and you get a slight problem if you just disabled
>an IRQ needed to make progress for user space to handle the IRQ
Two choices:
- Disallow shared interrupts for usermode drivers.
- Make the 'generic interrupt handler device driver' configurable
and/or module-extensible. You only need three entry points
("Interrupt set?"/"Enable interrupts"/"Disable interrupts"), which is
reasonably simple to get right.
-- Matthias Urlichs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sat Jun 23 2001 - 21:00:32 EST